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	<title>sql Archives - Apostolidis Cloud Corner</title>
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		<title>Azure Private Link &#124; Private connection to Azure PaaS</title>
		<link>https://www.cloudcorner.gr/microsoft/azure/azure-private-link-private-connection-to-azure-paas/</link>
					<comments>https://www.cloudcorner.gr/microsoft/azure/azure-private-link-private-connection-to-azure-paas/#respond</comments>
		
		<dc:creator><![CDATA[Pantelis Apostolidis]]></dc:creator>
		<pubDate>Tue, 17 Sep 2019 21:36:51 +0000</pubDate>
				<category><![CDATA[Azure]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[azure private link]]></category>
		<category><![CDATA[lan]]></category>
		<category><![CDATA[local access]]></category>
		<category><![CDATA[networking]]></category>
		<category><![CDATA[paas]]></category>
		<category><![CDATA[private connection]]></category>
		<category><![CDATA[private endpoint]]></category>
		<category><![CDATA[private link]]></category>
		<category><![CDATA[security]]></category>
		<category><![CDATA[sql]]></category>
		<category><![CDATA[sql database]]></category>
		<category><![CDATA[sql server]]></category>
		<category><![CDATA[storage]]></category>
		<category><![CDATA[vpn]]></category>
		<guid isPermaLink="false">https://www.e-apostolidis.gr/?p=2823</guid>

					<description><![CDATA[<p>Azure Private Link &#124; Private connection to Azure PaaS &#160; Azure Private Link is a new service, currently in Preview,</p>
<p>The post <a href="https://www.cloudcorner.gr/microsoft/azure/azure-private-link-private-connection-to-azure-paas/">Azure Private Link | Private connection to Azure PaaS</a> appeared first on <a href="https://www.cloudcorner.gr">Apostolidis Cloud Corner</a>.</p>
]]></description>
										<content:encoded><![CDATA[<h1>Azure Private Link | Private connection to Azure PaaS</h1>
<p>&nbsp;</p>
<p>Azure Private Link is a new service, currently in Preview, that provides private connectivity from a virtual network or an on-premises network with Site-2-Site VPN to Azure platform as a service (PaaS) Microsoft services. Azure Private Link makes the networking a lot more simple improving the security and eliminating the need for public access.</p>
<p id="nAIxogs"><img fetchpriority="high" decoding="async" width="838" height="369" class="alignnone size-full wp-image-2844 " src="https://www.e-apostolidis.gr/wp-content/uploads/2019/09/img_5d8145c21e8f8.png" alt="" /></p>
<p>&nbsp;</p>
<p><span style="font-size: 12px;">image from: <a href="https://azure.microsoft.com/en-us/services/private-link/">https://azure.microsoft.com/en-us/services/private-link/</a></span></p>
<p>Azure Private Link is a Service mapped to Azure Virtual Networks through a private endpoint. This means that all traffic is routed internally, using private IPs and connectivity, eliminating the exposure to threats. Using Private Link helps an organization to meed the compliance standards.</p>
<p>Azure Private Link is a Global service. It does not have regional restrictions. You can connect privately services from all the Azure Regions around the globe.</p>
<h2>Lets Lab It!</h2>
<p>Let&#8217;s see in practice how we can connect from an Azure VM and from our on-premises computer using VPN to an Azure SQL Database using private IPs. For the Lab I already have a Virtual Machine running Windows Server 2019 and an Azure SQL Database. The SQL Database is not connected to any networks.</p>
<p>Open the Azure Portal, press New and search for &#8220;Private Link&#8221;, select it and press &#8220;Create&#8221;</p>
<p id="wWRgRfz"><img decoding="async" width="1146" height="418" class="alignnone size-full wp-image-2824 " src="https://www.e-apostolidis.gr/wp-content/uploads/2019/09/img_5d812bccdb08c.png" alt="" /></p>
<p>A nice &#8220;Getting started page&#8221; will open. Click the &#8220;Build a private connection to a service&#8221;</p>
<p id="YGbIKKC"><img decoding="async" width="1253" height="769" class="alignnone size-full wp-image-2825 " src="https://www.e-apostolidis.gr/wp-content/uploads/2019/09/img_5d812c222bb50.png" alt="" /></p>
<p id="hySxSQb"><img loading="lazy" decoding="async" width="1151" height="172" class="alignnone size-full wp-image-2826 " src="https://www.e-apostolidis.gr/wp-content/uploads/2019/09/img_5d812c2e18651.png" alt="" /></p>
<p>The &#8220;Create a private endpoint&#8221; wizard will open. Select a name for the Private Link and a Region and press Next to go to the second step.</p>
<p><code></code></p>
<p id="vCwjsPb"><img loading="lazy" decoding="async" width="847" height="487" class="alignnone size-full wp-image-2832 " src="https://www.e-apostolidis.gr/wp-content/uploads/2019/09/img_5d8130185f27f.png" alt="" /></p>
<p>At the second step, select to connect to the azure resource in my directory, and select the subscription where the Azure SQL Database resides. Then select the SQL Server.</p>
<p id="qmxqrJF"><img loading="lazy" decoding="async" width="842" height="466" class="alignnone size-full wp-image-2833 " src="https://www.e-apostolidis.gr/wp-content/uploads/2019/09/img_5d81303297eff.png" alt="" /></p>
<p>At the third step, select the VIrtual Network that the Private Link will be created. I selected the network where my Virtual Machine resides. If you don&#8217;t have your own DNS server select Yes to create an Azure private DNS zone.</p>
<p id="nfoqivE"><img loading="lazy" decoding="async" width="854" height="588" class="alignnone size-full wp-image-2835 " src="https://www.e-apostolidis.gr/wp-content/uploads/2019/09/img_5d813077e1d38.png" alt="" /></p>
<p>At the final step, review the settings and create the Private Link</p>
<p id="lHsjjBi"><img loading="lazy" decoding="async" width="695" height="772" class="alignnone size-full wp-image-2836 " src="https://www.e-apostolidis.gr/wp-content/uploads/2019/09/img_5d81309adc037.png" alt="" /></p>
<p>After the resource creation, you can check the DNS for the Azure SQL Server Private IP Address!</p>
<p id="cSPyGGM"><img loading="lazy" decoding="async" width="925" height="302" class="alignnone size-full wp-image-2837 " src="https://www.e-apostolidis.gr/wp-content/uploads/2019/09/img_5d81317ff3814.png" alt="" /></p>
<p>And at the SQL Server, at the &#8220;Private endpoint connections&#8221; section you will see the new Private Link.</p>
<p id="YnyPGra"><img loading="lazy" decoding="async" width="1389" height="645" class="alignnone size-full wp-image-2839 " src="https://www.e-apostolidis.gr/wp-content/uploads/2019/09/img_5d8132886dbdc.png" alt="" /></p>
<p>Open a Remote Desktop Connection to the Azure VM, and run a nslookup for the SQL Server name. In my case the command is:</p>
<p>PS C:\&gt; nslookup plsqlsrv.database.windows.net<br />
Server: UnKnown<br />
Address: 168.63.129.16</p>
<p>Non-authoritative answer:<br />
Name: plsqlsrv.privatelink.database.windows.net<br />
Address: 10.0.2.5<br />
Aliases: plsqlsrv.database.windows.net</p>
<p id="zdWsPaP"><img loading="lazy" decoding="async" width="394" height="201" class="alignnone size-full wp-image-2838 " src="https://www.e-apostolidis.gr/wp-content/uploads/2019/09/img_5d8131e47f882.png" alt="" /></p>
<p>And it returned the Private IP address of the SQL Server.</p>
<p>From my computer, i tried to connect to the Azure SQL Server, using the name plsqlsrv.database.windows.net and the connection failed since my Public IP Address is not allowed to access the server.</p>
<p id="YMuBmUq"><img loading="lazy" decoding="async" width="564" height="437" class="alignnone size-full wp-image-2840 " src="https://www.e-apostolidis.gr/wp-content/uploads/2019/09/img_5d813f72173a6.png" alt="" /></p>
<p>From the Azure VM I managed to connect successfully and of course internally!</p>
<p id="nVbBsVv"><img loading="lazy" decoding="async" width="602" height="462" class="alignnone size-full wp-image-2841 " src="https://www.e-apostolidis.gr/wp-content/uploads/2019/09/img_5d813fab7a6a1.png" alt="" /></p>
<p>After that, I added a Virtual Network Gateway to the Network and created a Point to Site VPN connection from my local computer to Azure. You can check my guide on how to do this: <a href="https://www.e-apostolidis.gr/microsoft/azure-start-point-point-to-site-vpn/" target="_blank" rel="noopener noreferrer">https://www.e-apostolidis.gr/microsoft/azure/azure-start-point-point-to-site-vpn/</a></p>
<p>In order to connect to the Azure SQL you need to either use a local DNS server to map the SQl Server name to the Azure SQL IP or add an entry to the local host file for testing.</p>
<p id="VbhUQVD"><img loading="lazy" decoding="async" width="411" height="73" class="alignnone size-full wp-image-2849 " src="https://www.e-apostolidis.gr/wp-content/uploads/2019/09/img_5d8150b51c2d2.png" alt="" /></p>
<h2>Conclusion</h2>
<p>Azure Private Link is in Preview and currently supports Azure SQL Database and Storage accounts. Additional services coming in preview in next 3-6 months:</p>
<ul>
<li>· Cosmos DB</li>
<li>· App Service Vnet Integration + App Service Environment</li>
<li>· Azure Kubernetes Service</li>
<li>· Azure Key Vault</li>
<li>· PostgreSQL</li>
<li>· MySQL</li>
<li>· Maria DB</li>
</ul>
<p>&nbsp;</p>
<p>Source:</p>
<p><a href="https://azure.microsoft.com/en-us/services/private-link/">https://azure.microsoft.com/en-us/services/private-link/</a></p>
<p><a href="https://azure.microsoft.com/en-au/blog/announcing-azure-private-link/">https://azure.microsoft.com/en-au/blog/announcing-azure-private-link/</a></p>
<p>&nbsp;</p>
<div class="saboxplugin-wrap" itemtype="http://schema.org/Person" itemscope itemprop="author"><div class="saboxplugin-tab"><div class="saboxplugin-gravatar"><img loading="lazy" decoding="async" src="https://www.e-apostolidis.gr/wp-content/uploads/2019/05/mvpsummit2019.jpg" width="100"  height="100" alt="Pantelis Apostolidis" itemprop="image"></div><div class="saboxplugin-authorname"><a href="https://www.cloudcorner.gr/author/admin/" class="vcard author" rel="author"><span class="fn">Pantelis Apostolidis</span></a></div><div class="saboxplugin-desc"><div itemprop="description"><p>Pantelis Apostolidis is a Sr. Specialist, Azure at Microsoft and a former Microsoft Azure MVP. For the last 20 years, Pantelis has been involved to major cloud projects in Greece and abroad, helping companies to adopt and deploy cloud technologies, driving business value. He is entitled to a lot of Microsoft Expert Certifications, demonstrating his proven experience in delivering high quality solutions. He is an author, blogger and he is acting as a spokesperson for conferences, workshops and webinars. He is also an active member of several communities as a moderator in azureheads.gr and autoexec.gr. Follow him on Twitter @papostolidis.</p>
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		<item>
		<title>Secure your Azure SQL locally inside your vnet using service endpoints</title>
		<link>https://www.cloudcorner.gr/microsoft/azure/secure-your-azure-sql-locally-inside-your-vnet/</link>
					<comments>https://www.cloudcorner.gr/microsoft/azure/secure-your-azure-sql-locally-inside-your-vnet/#respond</comments>
		
		<dc:creator><![CDATA[Pantelis Apostolidis]]></dc:creator>
		<pubDate>Mon, 09 Oct 2017 21:21:33 +0000</pubDate>
				<category><![CDATA[Azure]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[azure]]></category>
		<category><![CDATA[azure sql]]></category>
		<category><![CDATA[azurerm]]></category>
		<category><![CDATA[sql]]></category>
		<category><![CDATA[vnet]]></category>
		<guid isPermaLink="false">https://www.e-apostolidis.gr/?p=1531</guid>

					<description><![CDATA[<p>Secure your Azure SQL locally inside your vnet  using service endpoints For many companies, a throwback of using Azure SQL</p>
<p>The post <a href="https://www.cloudcorner.gr/microsoft/azure/secure-your-azure-sql-locally-inside-your-vnet/">Secure your Azure SQL locally inside your vnet using service endpoints</a> appeared first on <a href="https://www.cloudcorner.gr">Apostolidis Cloud Corner</a>.</p>
]]></description>
										<content:encoded><![CDATA[<h2>Secure your Azure SQL locally inside your vnet  using service endpoints</h2>
<p>For many companies, a throwback of using Azure SQL was the Public Access. After the latest Azure updates you can use the service endpoints to  Secure your Azure SQL locally inside your vnet! For the time, the feature is available only at the West Central US, West US 2, and East US regions but soon more will follow.</p>
<p>So, lets secure your Azure SQL locally inside your vnet! At the VNET creation blade, select the Microsoft.Sql service endpoint from the list of the available service endpoints.</p>
<p id="PorSIKT"><img loading="lazy" decoding="async" width="310" height="257" class="alignnone size-full wp-image-1533 " src="https://www.e-apostolidis.gr/wp-content/uploads/2017/10/img_59dbdaba04ced.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbdaba04ced.png 310w, https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbdaba04ced-300x249.png 300w" sizes="auto, (max-width: 310px) 100vw, 310px" /></p>
<p>Then create an SQL Database at the same region,</p>
<p id="ndSZPQN"><img loading="lazy" decoding="async" width="935" height="418" class="alignnone size-full wp-image-1534 " src="https://www.e-apostolidis.gr/wp-content/uploads/2017/10/img_59dbdc1357e2d.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbdc1357e2d.png 935w, https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbdc1357e2d-300x134.png 300w, https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbdc1357e2d-768x343.png 768w, https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbdc1357e2d-600x268.png 600w" sizes="auto, (max-width: 935px) 100vw, 935px" /></p>
<p>&nbsp;</p>
<p>Next, go to the SQL server firewall settings and turn Off the &#8220;Allow access to Azure services&#8221;. By doing this you disable the access to the SQL Server using the Public IP.</p>
<p id="JtjgWNm"><img loading="lazy" decoding="async" width="853" height="570" class="alignnone size-full wp-image-1535 " src="https://www.e-apostolidis.gr/wp-content/uploads/2017/10/img_59dbdda6c52ac.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbdda6c52ac.png 853w, https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbdda6c52ac-300x200.png 300w, https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbdda6c52ac-768x513.png 768w, https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbdda6c52ac-600x401.png 600w, https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbdda6c52ac-120x80.png 120w" sizes="auto, (max-width: 853px) 100vw, 853px" /></p>
<p>Click the &#8220;Add existing virtual network&#8221; and create an access rule, in order to be able to access the SQL Server from your Virtual Network using the service endpoints.</p>
<p id="BtyMUrm"><img loading="lazy" decoding="async" width="1089" height="534" class="alignnone size-full wp-image-1536 " src="https://www.e-apostolidis.gr/wp-content/uploads/2017/10/img_59dbde1321f23.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbde1321f23.png 1089w, https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbde1321f23-300x147.png 300w, https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbde1321f23-768x377.png 768w, https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbde1321f23-1024x502.png 1024w, https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbde1321f23-600x294.png 600w" sizes="auto, (max-width: 1089px) 100vw, 1089px" /></p>
<p>Now lets test. A fast way to test your SQL connectivity from a Virtual Machine on the VNET, without having the SQL management tools, is to open the &#8220;ODBC Data Source Administrator&#8221; and create a new connection. Add the Azure SQL Server IP</p>
<p id="yKMvSEL"><img loading="lazy" decoding="async" width="669" height="493" class="alignnone size-full wp-image-1538 " src="https://www.e-apostolidis.gr/wp-content/uploads/2017/10/img_59dbe0fb1087e.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbe0fb1087e.png 669w, https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbe0fb1087e-300x221.png 300w, https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbe0fb1087e-600x442.png 600w" sizes="auto, (max-width: 669px) 100vw, 669px" /></p>
<p>at the next screen enter the username and password of your SQL Server and finally click the &#8220;Test Data Source&#8221;</p>
<p id="siAKEVk"><img loading="lazy" decoding="async" width="386" height="401" class="alignnone size-full wp-image-1539 " src="https://www.e-apostolidis.gr/wp-content/uploads/2017/10/img_59dbe13f44bb3.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbe13f44bb3.png 386w, https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbe13f44bb3-289x300.png 289w" sizes="auto, (max-width: 386px) 100vw, 386px" /></p>
<p>Of course we can also connect with the SMSS. Add the SQL Server FQDN, the username and the password</p>
<p id="SlcwnoV"><img loading="lazy" decoding="async" width="476" height="315" class="alignnone size-full wp-image-1544 " src="https://www.e-apostolidis.gr/wp-content/uploads/2017/10/img_59dbe821dabe6.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbe821dabe6.png 476w, https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbe821dabe6-300x199.png 300w, https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbe821dabe6-120x80.png 120w" sizes="auto, (max-width: 476px) 100vw, 476px" /></p>
<p>and you are connected, fast and securely!</p>
<p id="TRgdKAl"><img loading="lazy" decoding="async" width="387" height="153" class="alignnone size-full wp-image-1545 " src="https://www.e-apostolidis.gr/wp-content/uploads/2017/10/img_59dbe8390c457.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbe8390c457.png 387w, https://www.cloudcorner.gr/wp-content/uploads/2017/10/img_59dbe8390c457-300x119.png 300w" sizes="auto, (max-width: 387px) 100vw, 387px" /></p>
<p>&nbsp;</p>
<p>You cannot yet add your SQL to a subnet, but you secure it&#8217;s access inside your VNET! all public access is denied.</p>
<div class="saboxplugin-wrap" itemtype="http://schema.org/Person" itemscope itemprop="author"><div class="saboxplugin-tab"><div class="saboxplugin-gravatar"><img loading="lazy" decoding="async" src="https://www.e-apostolidis.gr/wp-content/uploads/2019/05/mvpsummit2019.jpg" width="100"  height="100" alt="Pantelis Apostolidis" itemprop="image"></div><div class="saboxplugin-authorname"><a href="https://www.cloudcorner.gr/author/admin/" class="vcard author" rel="author"><span class="fn">Pantelis Apostolidis</span></a></div><div class="saboxplugin-desc"><div itemprop="description"><p>Pantelis Apostolidis is a Sr. Specialist, Azure at Microsoft and a former Microsoft Azure MVP. For the last 20 years, Pantelis has been involved to major cloud projects in Greece and abroad, helping companies to adopt and deploy cloud technologies, driving business value. He is entitled to a lot of Microsoft Expert Certifications, demonstrating his proven experience in delivering high quality solutions. He is an author, blogger and he is acting as a spokesperson for conferences, workshops and webinars. He is also an active member of several communities as a moderator in azureheads.gr and autoexec.gr. Follow him on Twitter @papostolidis.</p>
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target="_blank"></a><a class="a2a_dd addtoany_share_save addtoany_share" href="https://www.addtoany.com/share#url=https%3A%2F%2Fwww.cloudcorner.gr%2Fmicrosoft%2Fazure%2Fsecure-your-azure-sql-locally-inside-your-vnet%2F&#038;title=Secure%20your%20Azure%20SQL%20locally%20inside%20your%20vnet%20using%20service%20endpoints" data-a2a-url="https://www.cloudcorner.gr/microsoft/azure/secure-your-azure-sql-locally-inside-your-vnet/" data-a2a-title="Secure your Azure SQL locally inside your vnet using service endpoints"><img src="https://static.addtoany.com/buttons/share_save_171_16.png" alt="Share"></a></p><p>The post <a href="https://www.cloudcorner.gr/microsoft/azure/secure-your-azure-sql-locally-inside-your-vnet/">Secure your Azure SQL locally inside your vnet using service endpoints</a> appeared first on <a href="https://www.cloudcorner.gr">Apostolidis Cloud Corner</a>.</p>
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			</item>
		<item>
		<title>SQL Server Performance Monitor Counters</title>
		<link>https://www.cloudcorner.gr/microsoft/servers/sql-server-performance-monitor-counters/</link>
					<comments>https://www.cloudcorner.gr/microsoft/servers/sql-server-performance-monitor-counters/#respond</comments>
		
		<dc:creator><![CDATA[Pantelis Apostolidis]]></dc:creator>
		<pubDate>Tue, 31 May 2016 21:06:12 +0000</pubDate>
				<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[Servers]]></category>
		<category><![CDATA[sql]]></category>
		<guid isPermaLink="false">http://www.e-apostolidis.gr/?p=1007</guid>

					<description><![CDATA[<p>THE BEST SQL SERVER PERFORMANCE MONITOR COUNTERS TO ANALYZE &#8211; These are listed OBJECT first, then COUNTER &#8211; Memory –</p>
<p>The post <a href="https://www.cloudcorner.gr/microsoft/servers/sql-server-performance-monitor-counters/">SQL Server Performance Monitor Counters</a> appeared first on <a href="https://www.cloudcorner.gr">Apostolidis Cloud Corner</a>.</p>
]]></description>
										<content:encoded><![CDATA[<div>THE BEST SQL SERVER PERFORMANCE MONITOR COUNTERS TO ANALYZE</div>
<div></div>
<div>&#8211; These are listed OBJECT first, then COUNTER</div>
<div>&#8211; Memory – Available MBytes</div>
<div>&#8211; Paging File – % Usage</div>
<div>&#8211; Physical Disk – Avg. Disk sec/Read</div>
<div>&#8211; Physical Disk – Avg. Disk sec/Write</div>
<div>&#8211; Physical Disk – Disk Reads/sec</div>
<div>&#8211; Physical Disk – Disk Writes/sec</div>
<div>&#8211; Processor – % Processor Time</div>
<div>&#8211; SQLServer: General Statistics – User Connections</div>
<div>&#8211; SQLServer: Memory Manager – Memory Grants Pending</div>
<div>&#8211; SQLServer: SQL Statistics – Batch Requests/sec</div>
<div>&#8211; SQLServer: SQL Statistics – Compilations/sec</div>
<div>&#8211; SQLServer: SQL Statistics – Recompilations/sec</div>
<div>&#8211; System – Processor Queue Length</div>
<div class="saboxplugin-wrap" itemtype="http://schema.org/Person" itemscope itemprop="author"><div class="saboxplugin-tab"><div class="saboxplugin-gravatar"><img loading="lazy" decoding="async" src="https://www.e-apostolidis.gr/wp-content/uploads/2019/05/mvpsummit2019.jpg" width="100"  height="100" alt="Pantelis Apostolidis" itemprop="image"></div><div class="saboxplugin-authorname"><a href="https://www.cloudcorner.gr/author/admin/" class="vcard author" rel="author"><span class="fn">Pantelis Apostolidis</span></a></div><div class="saboxplugin-desc"><div itemprop="description"><p>Pantelis Apostolidis is a Sr. Specialist, Azure at Microsoft and a former Microsoft Azure MVP. For the last 20 years, Pantelis has been involved to major cloud projects in Greece and abroad, helping companies to adopt and deploy cloud technologies, driving business value. He is entitled to a lot of Microsoft Expert Certifications, demonstrating his proven experience in delivering high quality solutions. He is an author, blogger and he is acting as a spokesperson for conferences, workshops and webinars. He is also an active member of several communities as a moderator in azureheads.gr and autoexec.gr. Follow him on Twitter @papostolidis.</p>
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		<title>Add AlwaysOn AG to SQL Failover Cluster Instance</title>
		<link>https://www.cloudcorner.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/add-alwayson-ag-to-sql-failover-cluster-instance/</link>
					<comments>https://www.cloudcorner.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/add-alwayson-ag-to-sql-failover-cluster-instance/#comments</comments>
		
		<dc:creator><![CDATA[Pantelis Apostolidis]]></dc:creator>
		<pubDate>Tue, 10 Nov 2015 19:11:07 +0000</pubDate>
				<category><![CDATA[Hyper-V]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[Servers]]></category>
		<category><![CDATA[Ελληνικά]]></category>
		<category><![CDATA[alwayson]]></category>
		<category><![CDATA[cluster]]></category>
		<category><![CDATA[sql]]></category>
		<category><![CDATA[windows server]]></category>
		<guid isPermaLink="false">http://www.e-apostolidis.gr/?p=901</guid>

					<description><![CDATA[<p>SQL Failover Cluster with AlwaysOn Availability Groups Πάμε τώρα για το τελευταίο κομμάτι του lab, να προσθέσουμε AlwaysOn Availability Group</p>
<p>The post <a href="https://www.cloudcorner.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/add-alwayson-ag-to-sql-failover-cluster-instance/">Add AlwaysOn AG to SQL Failover Cluster Instance</a> appeared first on <a href="https://www.cloudcorner.gr">Apostolidis Cloud Corner</a>.</p>
]]></description>
										<content:encoded><![CDATA[<h1 style="text-align: justify;">SQL Failover Cluster with AlwaysOn Availability Groups</h1>
<p style="text-align: justify;">Πάμε τώρα για το τελευταίο κομμάτι του lab, να προσθέσουμε AlwaysOn Availability Group στο υπάρχον SQL WSFC.</p>
<ol style="text-align: justify;">
<li><a href="http://www.e-apostolidis.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/sql-failover-cluster-with-alwayson-ag/">Windows Server 2012 R2 Failover Cluster with FreeNAS 9.3</a></li>
<li><a href="http://www.e-apostolidis.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/microsoft-sql-2012-on-failover-cluster/">Microsoft SQL 2012 on Failover Cluster</a></li>
<li><a href="http://www.e-apostolidis.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/add-alwayson-ag-to-sql-failover-cluster-instance/">Add AlwaysOn AG to SQL Failover Cluster Instance</a></li>
</ol>
<h1 style="text-align: justify;">Add AlwaysOn AG to SQL Failover Cluster Instance</h1>
<p style="text-align: justify;">Για αρχή πρέπει να ενεργοποιήσουμε το “AlwaysOn High Availability” setting και στα δύο Nodes του υπάρχοντος Cluster. Εδώ να τονίσουμε πως η επιλογή υπάρχει μόνο στη Enterprise έκδοση και όχι στην Standard. Ανοίγουμε λοιπόν το SQL Server Configuration Manager / SQL Server Services / SQL Server (NAME) , δεξί click Properties και στην καρτέλα &#8220;AlwaysOn High Availability” επιλέγουμε το “Enable AlwaysOn Availability Groups”. Με το που θα πατήσουμε Apply θα μας ενημερώσει ότι η αλλαγή θα περάσει στον SQL στο επόμενο restart.</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag1.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-902" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag1.jpg" alt="sqllabag1" width="877" height="648" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag1.jpg 877w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag1-300x222.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag1-624x461.jpg 624w" sizes="auto, (max-width: 877px) 100vw, 877px" /></a></p>
<p style="text-align: justify;">Δεν κάνουμε restart.</p>
<p style="text-align: justify;">Τώρα για να γίνει η αλλαγή στο δεύτερο Node πρέπει να κάνουμε manual failover για να σηκωθεί το service της SQL. Όπως είχαμε κάνει και στο τέλος του προηγούμενου Post, όταν εγκαταστήσαμε το δεύτερο SQL Node, από το Failover Cluster Manager κάνουμε move το SQL Server Role στο δεύτερο Node. Τώρα άμα ανοίξετε το SQL Server Configuration Manager θα δείτε ότι το SQL Server service έχει γίνει stop και το SQL Server service τρέχει στο δεύτερο Node με ενεργοποιημένο με το AlwaysOn. Τέλος ξανακάνουμε move το SQL Server Role στο πρώτο Node.</p>
<p style="text-align: justify;">Στη συνέχεια πάμε να βάλουμε τον τρίτο server στο υπάρχον Windows Failover Cluster. Ανοίγουμε το Failover Cluster Manager από το πρώτο Node (Win2012R201 στο lab) και πατάμε Nodes / Add Node…</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag2.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-903" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag2.jpg" alt="sqllabag2" width="341" height="173" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag2.jpg 341w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag2-300x152.jpg 300w" sizes="auto, (max-width: 341px) 100vw, 341px" /></a></p>
<p style="text-align: justify;">Ξεκινάει ο Wizard, πατάμε το πρώτο Next και στο Select Servers επιλέγουμε τον τρίτο server (Win2012R203 στο lab) και πατάμε Next.<br />
Για να περάσει το verification πρέπει ο server να έχει ήδη το Failover Cluster feature, κάτι που στο lab υπάρχει από το template.</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag3.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-904" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag3.jpg" alt="sqllabag3" width="680" height="467" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag3.jpg 680w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag3-300x206.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag3-624x429.jpg 624w" sizes="auto, (max-width: 680px) 100vw, 680px" /></a></p>
<p style="text-align: justify;">Μιας και αυτό το Node δεν θα είναι ουσιαστικά μέρος του Failover Cluster αλλά το θέλουμε μόνο για το AlwaysOn, επιλέγουμε να μην κάνει τα validation test και να μην βάλει storage.</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag4.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-905" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag4.jpg" alt="sqllabag4" width="683" height="464" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag4.jpg 683w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag4-300x204.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag4-624x424.jpg 624w" sizes="auto, (max-width: 683px) 100vw, 683px" /></a></p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag5.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-906" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag5.jpg" alt="sqllabag5" width="680" height="455" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag5.jpg 680w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag5-300x201.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag5-624x418.jpg 624w" sizes="auto, (max-width: 680px) 100vw, 680px" /></a></p>
<p style="text-align: justify;">Τώρα πρέπει να σιγουρεύουμε ότι δεν θα προσπαθήσει το Cluster να σηκώσει την SQL στο τρίτο Node που θα είναι για το AlwaysOn.<br />
Αφού προστεθεί το Node στο Cluster πρέπει να πάμε πρώτα στο Failover Cluster Manager / WSFCcomputername (sqlclus.sqllab.int για το lab), επιλέγουμε από τα Cluster Core Resources στο Server Name το computer name του sql cluster (sqlclus για το lab) και δεξί click properties.</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag7.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-908" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag7.jpg" alt="sqllabag7" width="645" height="615" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag7.jpg 645w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag7-300x286.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag7-624x595.jpg 624w" sizes="auto, (max-width: 645px) 100vw, 645px" /></a></p>
<p style="text-align: justify;">Πηγαίνουμε στο Advanced Policies tab και απόεπιλέγουμε το τρίτο Node, όπως στην εικόνα</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag01.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-925" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag01.jpg" alt="sqllabag01" width="406" height="481" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag01.jpg 406w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag01-253x300.jpg 253w" sizes="auto, (max-width: 406px) 100vw, 406px" /></a></p>
<p style="text-align: justify;">Στην συνέχεια στον SQL Server Ρόλο, δεξί click properties και να επιλέξουμε preferred owners τα δύο πρώτα Nodes μόνο.</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag6.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-907" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag6.jpg" alt="sqllabag6" width="608" height="597" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag6.jpg 608w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag6-300x295.jpg 300w" sizes="auto, (max-width: 608px) 100vw, 608px" /></a></p>
<p style="text-align: justify;">Το ίδιο κάνουμε και για τα δύο Cluster Disks</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag8.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-909" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag8.jpg" alt="sqllabag8" width="717" height="618" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag8.jpg 717w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag8-300x259.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag8-624x538.jpg 624w" sizes="auto, (max-width: 717px) 100vw, 717px" /></a></p>
<p style="text-align: justify;">Τώρα κάνουμε μια τυπική εγκατάσταση SQL Server 2012 στο τρίτο Node, με τα ίδια settings που κάναμε και για το Cluster, με τη διαφορά ότι θα κάνουμε Stand Alone Setup και όχι Cluster και πρέπει να δώσουμε διαφορετικό instance name γιατί το Default instane (MSSQLSERVER) υπάρχει στο Cluster. Επίσης δίνουμε έναν δίσκο στο Server με ίδιο γράμμα με αυτό που έχουν οι servers στο Cluster για την SQL. Στο lab είναι F:.</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag9.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-910" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag9.jpg" alt="sqllabag9" width="760" height="199" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag9.jpg 760w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag9-300x79.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag9-624x163.jpg 624w" sizes="auto, (max-width: 760px) 100vw, 760px" /></a></p>
<p style="text-align: justify;">Αφού ολοκληρωθεί η εγκατάσταση ενεργοποιούμε το AlwaysOn κι εδώ από το SQL Server Configuration Manager και κάνουμε restart το SQL server service.<br />
Επίσης σε αυτό το σημείο να αναφέρω ότι επειδή χρησιμοποιούμε ένα Named instance, κάθε φορά που ξεκινάει το SQL Server service καταχωρεί ένα SPN record το οποίο χρειάζεται για να μπορέσουν οι εφαρμογές να κάνουν authenticate με τον SQL Server. Για να μπορέσει να γίνει αυτό πρέπει το account που τρέχει το SQL Server service να έχει δικαίωμα να διαβάζει και να γράφει serviceprinipalnames στο Active Directory. Στο lab χρησιμοποίησα Domain Admin account οπότε το SPN καταχωρείται σωστά.</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/spn1.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-934" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/spn1.jpg" alt="spn1" width="647" height="134" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/spn1.jpg 647w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/spn1-300x62.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/spn1-624x129.jpg 624w" sizes="auto, (max-width: 647px) 100vw, 647px" /></a></p>
<p style="text-align: justify;">Μπορούμε πλέον να ξεκινήσουμε την διαδικασία να βάλουμε την βάση μας σε AlwaysOn Availability Group.<br />
Από το active node του WSFC ανοίγουμε το SQL Management Studio και συνδεόμαστε στο SCL Cluster Instance, στο LAB “SQLFCI”. Πρώτα κάνουμε ένα backup την βάση μας, μιας που είναι προαπαιτούμενο για να προχωρήσουμε. Παίρνουμε το backup και το κάνουμε restore στο τρίτο Node, Win2012R203 στο lab αλλά προσοχή, επιλέγουμε στο restore Options / Recovery state / RESTORE WITH NORECOVERY</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag14.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-915" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag14.jpg" alt="sqllabag14" width="860" height="391" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag14.jpg 860w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag14-300x136.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag14-624x284.jpg 624w" sizes="auto, (max-width: 860px) 100vw, 860px" /></a></p>
<p style="text-align: justify;">Αφού ολοκληρωθεί το restore η βάση θα πρέπει να έχει δημιουργηθεί και να είναι σε (Restoring…)</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag15.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-916" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag15.jpg" alt="sqllabag15" width="258" height="130" /></a></p>
<p style="text-align: justify;">Μετά πηγαίνουμε στο πρώτο Node, Win2012R201 στο lab, SQL Management Studio, στο “AlwaysOn High Availability” και με δεξί click στο Availability Groups πατάμε “New Availability Group Wizard…”</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag10.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-911" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag10.jpg" alt="sqllabag10" width="417" height="349" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag10.jpg 417w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag10-300x251.jpg 300w" sizes="auto, (max-width: 417px) 100vw, 417px" /></a></p>
<p style="text-align: justify;">Ανοίγει ο Wizard και μετά το πρώτο next δίνουμε Availability group name</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag11.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-912" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag11.jpg" alt="sqllabag11" width="444" height="363" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag11.jpg 444w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag11-300x245.jpg 300w" sizes="auto, (max-width: 444px) 100vw, 444px" /></a></p>
<p style="text-align: justify;">Στο επόμενο βήμα επιλέγουμε την βάση που θέλουμε να βάλουμε σε Availability Group</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag12.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-913" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag12.jpg" alt="sqllabag12" width="611" height="355" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag12.jpg 611w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag12-300x174.jpg 300w" sizes="auto, (max-width: 611px) 100vw, 611px" /></a></p>
<p style="text-align: justify;">Στο επόμενο βήμα πρέπει να ορίσουμε replicas. <span style="text-decoration: underline;">Έχει ήδη το SQFCI, και μάλιστα μας ενημερώνει ότι επειδή είναι Failover Cluster Instance <strong>δεν υποστηρίζει automatic failover</strong>. Αυτό σημαίνει ότι όταν χάσουμε όλο το Cluster (SQL Cluster Instance) θα πρέπει να πάμε στο τρίτο Node (Win2012R203 στο lab) στο SQL management studio / AlwaysON High Availability / Availability Groups /  και με δεξί click πάνω στο &#8220;AG Aname&#8221; κάνουμε manual failover. </span></p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag13.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-914" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag13.jpg" alt="sqllabag13" width="713" height="666" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag13.jpg 713w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag13-300x280.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag13-624x583.jpg 624w" sizes="auto, (max-width: 713px) 100vw, 713px" /></a></p>
<p style="text-align: justify;">Κάνουμε connect στο τρίτο Node, Win2012R203\MSSQLAG</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag16.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-917" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag16.jpg" alt="sqllabag16" width="426" height="324" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag16.jpg 426w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag16-300x228.jpg 300w" sizes="auto, (max-width: 426px) 100vw, 426px" /></a></p>
<p style="text-align: justify;">Αφού προστεθεί και ο Win2012R203, επιλέγουμε Readable Secondary και ανάλογα την χρήση επιλέγουμε Synchronous ή όχι Commit. Όπως είπα και στην αρχή του πρώτου Post, &#8220;<span style="text-decoration: underline;">Η ιδέα είναι να έχουμε ένα SQL Flailover Cluster στο Primary Site και στο υπάρχον Cluster να προσθέσουμε ένα AlwaysOn Availability group για το DR</span>&#8221; η χρήση του Availability Group είναι για DR Site για να αποφύγουμε latency στο Commit το αφήνουμε unchecked. Έτσι θα έχουμε asynchronous commit και θα αποφύγουμε το latency με ένα &#8220;φόβο&#8221; για Data Loss τη στιγμή που θα χρειαστεί Failover.</p>
<p style="text-align: justify;">Τέλος πατάμε Next.</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag17.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-918" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag17.jpg" alt="sqllabag17" width="598" height="211" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag17.jpg 598w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag17-300x106.jpg 300w" sizes="auto, (max-width: 598px) 100vw, 598px" /></a></p>
<p style="text-align: justify;">Στην επόμενη καρτέλα επιλέγουμε το «Join only” αφού έχουμε κάνει ήδη restore την βάση, και πατάμε Next</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag18.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-919" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag18.jpg" alt="sqllabag18" width="545" height="303" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag18.jpg 545w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag18-300x167.jpg 300w" sizes="auto, (max-width: 545px) 100vw, 545px" /></a></p>
<p style="text-align: justify;">Στην καρτέλα validation αγνοούμε το warning για τον Listener, θα τον δημιουργήσουμε μετά</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag02.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-926" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag02.jpg" alt="sqllabag02" width="589" height="272" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag02.jpg 589w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag02-300x139.jpg 300w" sizes="auto, (max-width: 589px) 100vw, 589px" /></a></p>
<p style="text-align: justify;">Και πατάμε Finish για να δημιουργήσει το Group</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag19.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-920" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllabag19.jpg" alt="sqllabag19" width="318" height="424" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag19.jpg 318w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllabag19-225x300.jpg 225w" sizes="auto, (max-width: 318px) 100vw, 318px" /></a></p>
<p style="text-align: justify;">Σε αυτό το σημείο μπορούμε να δημιουργήσουμε Listener, ο οποίος θα είναι multi-sunet, δηλαδή θα έχει μια IP από κάθε subnet.</p>
<p>Αν έχουμε περισσότερα από ένα Azure VMs στο Always ON θα χρειαστούμε έναν Internal Azure Load Balancer. O Load Balancer θα έχει για backend pool τα Azure VMs που συμμετέχουν στο Always ON Availability Groups. Αυτό που πρέπει να προσέξουμε στο load balancing rule είναι να ενεργοποιήσουμε το Floating IP (Direct Server Return). You don&#8217;t need Session persistence. Για probe χρησιμοποιούμε την 59999.</p>
<p><img loading="lazy" decoding="async" class="alignnone wp-image-3763 " src="https://www.e-apostolidis.gr/wp-content/uploads/2015/11/Pasted-into-Add-AlwaysOn-AG-to-SQL-Failover-Cluster-Instance-4.png" width="606" height="353" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/Pasted-into-Add-AlwaysOn-AG-to-SQL-Failover-Cluster-Instance-4.png 768w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/Pasted-into-Add-AlwaysOn-AG-to-SQL-Failover-Cluster-Instance-4-300x175.png 300w" sizes="auto, (max-width: 606px) 100vw, 606px" /></p>
<p><img loading="lazy" decoding="async" width="665" height="503" class="alignnone wp-image-3762 size-full" src="https://www.e-apostolidis.gr/wp-content/uploads/2015/11/Pasted-into-Add-AlwaysOn-AG-to-SQL-Failover-Cluster-Instance-3.png" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/Pasted-into-Add-AlwaysOn-AG-to-SQL-Failover-Cluster-Instance-3.png 665w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/Pasted-into-Add-AlwaysOn-AG-to-SQL-Failover-Cluster-Instance-3-300x227.png 300w" sizes="auto, (max-width: 665px) 100vw, 665px" /></p>
<p>Ορίζουμε την IP του Load Balancer στο Cluster με το παρακάτω PowerShell script. Αυτό το script θα επιτρέψει στην cluster IP να παντάει στο load balancer. Το τρέχουμε στο active node του failover cluster.</p>
<pre class="EnlighterJSRAW" data-enlighter-language="generic">$ClusterNetworkName = "&lt;MyClusterNetworkName&gt;" # the cluster network name (Use Get-ClusterNetwork on Windows Server 2012 of higher to find the name)
$IPResourceName = "&lt;IPResourceName&gt;" # the IP Address resource name
$ListenerILBIP = "&lt;n.n.n.n&gt;" # the IP Address of the Internal Load Balancer (ILB). This is the static IP address for the load balancer you configured in the Azure portal.
[int]$ListenerProbePort = "59999"

Import-Module FailoverClusters

Get-ClusterResource $IPResourceName | Set-ClusterParameter -Multiple @{"Address"="$ListenerILBIP";"ProbePort"=$ListenerProbePort;"SubnetMask"="255.255.255.255";"Network"="$ClusterNetworkName";"EnableDhcp"=0}</pre>
<p>Στην περίπτωσή μας, ο Listener θα έχει μια IP από το FCI cluster &amp; μια από το AlwaysOn subnet on Azure.</p>
<p><img loading="lazy" decoding="async" width="357" height="81" class="alignnone wp-image-3668 size-full" src="https://www.e-apostolidis.gr/wp-content/uploads/2015/11/Pasted-into-Add-AlwaysOn-AG-to-SQL-Failover-Cluster-Instance-1.png" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/Pasted-into-Add-AlwaysOn-AG-to-SQL-Failover-Cluster-Instance-1.png 357w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/Pasted-into-Add-AlwaysOn-AG-to-SQL-Failover-Cluster-Instance-1-300x68.png 300w" sizes="auto, (max-width: 357px) 100vw, 357px" /></p>
<p><img loading="lazy" decoding="async" class="alignnone wp-image-3667 " src="https://www.e-apostolidis.gr/wp-content/uploads/2015/11/Pasted-into-Add-AlwaysOn-AG-to-SQL-Failover-Cluster-Instance.png" width="546" height="247" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/Pasted-into-Add-AlwaysOn-AG-to-SQL-Failover-Cluster-Instance.png 794w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/Pasted-into-Add-AlwaysOn-AG-to-SQL-Failover-Cluster-Instance-300x136.png 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/Pasted-into-Add-AlwaysOn-AG-to-SQL-Failover-Cluster-Instance-768x347.png 768w" sizes="auto, (max-width: 546px) 100vw, 546px" /></p>
<p style="text-align: justify;">Σε μια εγκατάσταση που όλα τα SQL Instances είναι single ένας Listener χρησιμεύει για common name, ώστε να οδηγεί κάθε φορά τις εφαρμογές στο σωστό server.</p>
<p style="text-align: justify;">Τέλος να πούμε ότι η διαχείριση του Failover Cluster SQL Instance γίνετε μέσω του Windows Server Failover Cluster Manager, όπως π.χ. το manual failover, όπως είδαμε και στο προηγούμενο post.  Ενώ η διαχείριση του Always On High Availability γίνετε από το SQL Management Studio.</p>
<p>Αν έχετε πρόβλημα στην δημιουργία του Availability Group τρέξτε το εξής script:</p>
<pre class="EnlighterJSRAW" data-enlighter-language="generic">#To create the [NT AUTHORITY\SYSTEM] account, run the following in a query window:

USE [master]
GO
CREATE LOGIN [NT AUTHORITY\SYSTEM] FROM WINDOWS WITH DEFAULT_DATABASE=[master]
GO 

#To grant the permissions to the [NT AUTHORITY\SYSTEM] account, run the following in a query window:

GRANT ALTER ANY AVAILABILITY GROUP TO [NT AUTHORITY\SYSTEM]
GO
GRANT CONNECT SQL TO [NT AUTHORITY\SYSTEM]
GO
GRANT VIEW SERVER STATE TO [NT AUTHORITY\SYSTEM]
GO</pre>
<p>&nbsp;</p>
<div class="saboxplugin-wrap" itemtype="http://schema.org/Person" itemscope itemprop="author"><div class="saboxplugin-tab"><div class="saboxplugin-gravatar"><img loading="lazy" decoding="async" src="https://www.e-apostolidis.gr/wp-content/uploads/2019/05/mvpsummit2019.jpg" width="100"  height="100" alt="Pantelis Apostolidis" itemprop="image"></div><div class="saboxplugin-authorname"><a href="https://www.cloudcorner.gr/author/admin/" class="vcard author" rel="author"><span class="fn">Pantelis Apostolidis</span></a></div><div class="saboxplugin-desc"><div itemprop="description"><p>Pantelis Apostolidis is a Sr. Specialist, Azure at Microsoft and a former Microsoft Azure MVP. For the last 20 years, Pantelis has been involved to major cloud projects in Greece and abroad, helping companies to adopt and deploy cloud technologies, driving business value. He is entitled to a lot of Microsoft Expert Certifications, demonstrating his proven experience in delivering high quality solutions. He is an author, blogger and he is acting as a spokesperson for conferences, workshops and webinars. He is also an active member of several communities as a moderator in azureheads.gr and autoexec.gr. Follow him on Twitter @papostolidis.</p>
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		<title>Microsoft SQL 2012 on Failover Cluster</title>
		<link>https://www.cloudcorner.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/microsoft-sql-2012-on-failover-cluster/</link>
					<comments>https://www.cloudcorner.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/microsoft-sql-2012-on-failover-cluster/#comments</comments>
		
		<dc:creator><![CDATA[Pantelis Apostolidis]]></dc:creator>
		<pubDate>Mon, 09 Nov 2015 22:30:52 +0000</pubDate>
				<category><![CDATA[Hyper-V]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[PowerShell]]></category>
		<category><![CDATA[Servers]]></category>
		<category><![CDATA[Ελληνικά]]></category>
		<category><![CDATA[sql]]></category>
		<category><![CDATA[storage]]></category>
		<guid isPermaLink="false">http://www.e-apostolidis.gr/?p=894</guid>

					<description><![CDATA[<p>SQL Failover Cluster with AlwaysOn Availability Groups Αυτό είναι το δεύτερο Post της τριλογίας SQL Failover Cluster with AlwaysOn Availability Groups.</p>
<p>The post <a href="https://www.cloudcorner.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/microsoft-sql-2012-on-failover-cluster/">Microsoft SQL 2012 on Failover Cluster</a> appeared first on <a href="https://www.cloudcorner.gr">Apostolidis Cloud Corner</a>.</p>
]]></description>
										<content:encoded><![CDATA[<h1 style="text-align: justify;">SQL Failover Cluster with AlwaysOn Availability Groups</h1>
<p style="text-align: justify;">Αυτό είναι το δεύτερο Post της τριλογίας SQL Failover Cluster with AlwaysOn Availability Groups. Είναι η ώρα της SQL.</p>
<ol style="text-align: justify;">
<li><a href="http://www.e-apostolidis.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/sql-failover-cluster-with-alwayson-ag/">Windows Server 2012 R2 Failover Cluster with FreeNAS 9.3</a></li>
<li><a href="http://www.e-apostolidis.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/microsoft-sql-2012-on-failover-cluster/">Microsoft SQL 2012 on Failover Cluster</a></li>
<li><a href="http://www.e-apostolidis.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/add-alwayson-ag-to-sql-failover-cluster-instance/">Add AlwaysOn AG to SQL Failover Cluster Instance</a></li>
</ol>
<h1 style="text-align: justify;">Microsoft SQL 2012 on Failover Cluster</h1>
<p style="text-align: justify;">Για το lab θα χρησιμοποιήσω τον Domain Administrator, αλλά δεν ενδείκνυται για παραγωγικό περιβάλλον!!!</p>
<p style="text-align: justify;">Βάζουμε το ISO της SQL 2012 SP2 και ξεκινάμε με “new SQL server failover cluster installation”</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-17.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-862" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-17.jpg" alt="SQLlab (17)" width="622" height="161" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-17.jpg 622w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-17-300x78.jpg 300w" sizes="auto, (max-width: 622px) 100vw, 622px" /></a></p>
<p style="text-align: justify;">Αφού περάσει τα checks δίνουμε key, για το lab φυσικά επέλεξα evaluation,  και φτιάχνουμε στο install για να ξεκινήσουμε την εγκατάσταση.</p>
<p style="text-align: justify;">Αγνοούμε επιδεικτικά το MSDTC error (ήδη από τον 2008) και αν δεν έχουμε errors προχωράμε. Επιλέγουμε το SQL Feature installation και μετά επιλέγουμε μόνο Database Engine Services με τις υποκατηγορίες και το management tools</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-18.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-863" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-18.jpg" alt="SQLlab (18)" width="309" height="324" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-18.jpg 309w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-18-286x300.jpg 286w" sizes="auto, (max-width: 309px) 100vw, 309px" /></a></p>
<p style="text-align: justify;">Δίνουμε network name για το SQL Cluster και προχωράμε</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-19.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-864" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-19.jpg" alt="SQLlab (19)" width="805" height="602" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-19.jpg 805w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-19-300x224.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-19-624x467.jpg 624w" sizes="auto, (max-width: 805px) 100vw, 805px" /></a></p>
<p style="text-align: justify;">Δίνουμε όνομα για το cluster resource group ή αφήνουμε το default (όπως έκανα κι εγώ για το lab)</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-20.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-865" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-20.jpg" alt="SQLlab (20)" width="808" height="609" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-20.jpg 808w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-20-300x226.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-20-624x470.jpg 624w" sizes="auto, (max-width: 808px) 100vw, 808px" /></a></p>
<p style="text-align: justify;">Στο επόμενο βήμα μας ενημερώνει ότι δεν υπάρχει διαθέσιμος δίσκος για το SQL Cluster Disk, μιας και ο υπάρχον έγινε Cluster Quorum, οπότε πάμε να δώσουμε έναν ακόμη δίσκο στα Cluster Resources.</p>
<p style="text-align: justify;">Προσθέτουμε έναν ακόμα δίσκο στο FreeNAS μιας και ένας θα χρειαστεί για το Cluster Quorum και ο άλλος για SQL Cluster Disk. Αφού το δώσουμε στο VM πηγαίνουμε στο web interface του FreeNAS και πάμε στο Storage/Volume manager, διαλέγουμε τον δίσκο δίνουμε όνομα, έδωσα sql, και πατάμε add volume</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllab2.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-895" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllab2.jpg" alt="sqllab2" width="405" height="436" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllab2.jpg 405w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllab2-279x300.jpg 279w" sizes="auto, (max-width: 405px) 100vw, 405px" /></a></p>
<p style="text-align: justify;">Μετά πάμε στο view volumes, επιλέγουμε το sql και πατάμε το create zvol κουμπί, όπως φαίνεται και στην εικόνα</p>
<p style="text-align: justify;"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-866" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-21.jpg" alt="SQLlab (21)" width="466" height="518" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-21.jpg 466w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-21-270x300.jpg 270w" sizes="auto, (max-width: 466px) 100vw, 466px" /></p>
<p style="text-align: justify;">Δίνουμε όνομα και size και πατάμε Add zvol</p>
<p style="text-align: justify;"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-867" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-22.jpg" alt="SQLlab (22)" width="375" height="301" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-22.jpg 375w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-22-300x241.jpg 300w" sizes="auto, (max-width: 375px) 100vw, 375px" /></p>
<p style="text-align: justify;">Μετά πάμε στο Sharing/ISCSI/extents και πατάμε add extent, δίνουμε όνομα, επιλέγουμε device το zvol που φτιάξαμε, διαλέγουμε Logical Block Size, για SQL DBs ενδείκνυται το 512, και πατάμε ok</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-23.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-868" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-23.jpg" alt="SQLlab (23)" width="487" height="480" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-23.jpg 487w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-23-300x296.jpg 300w" sizes="auto, (max-width: 487px) 100vw, 487px" /></a></p>
<p style="text-align: justify;">Τέλος πάμε στο associated targets, πατάμε add target/extent και προσθέτουμε τον extent που φτιάξαμε.<br />
Τώρα αν πάμε στους servers στο disk management και κάνουμε refresh τους δίσκους βλέπουμε τον νέο δίσκο και τον κάνουμε online, initiate και format, μόνο προσοχή να δώσετε allocation unit 512 για να συμβαδίζει με του FreeNAS αλλιώς η SQL θα γκρινιάξει.</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-24.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-869" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-24.jpg" alt="SQLlab (24)" width="390" height="306" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-24.jpg 390w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-24-300x235.jpg 300w" sizes="auto, (max-width: 390px) 100vw, 390px" /></a></p>
<p style="text-align: justify;">Ανοίγουμε το Failover Cluster Manager/Storage/Disks και πατάμε add Disk και προσθέτουμε τον νέο δίσκο.</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-25.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-870" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-25.jpg" alt="SQLlab (25)" width="964" height="388" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-25.jpg 964w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-25-300x121.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-25-624x251.jpg 624w" sizes="auto, (max-width: 964px) 100vw, 964px" /></a></p>
<p style="text-align: justify;">Και έχουμε έναν διαθέσιμο δίσκο στο Cluster μας</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-26.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-871" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-26.jpg" alt="SQLlab (26)" width="825" height="267" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-26.jpg 825w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-26-300x97.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-26-624x202.jpg 624w" sizes="auto, (max-width: 825px) 100vw, 825px" /></a></p>
<p style="text-align: justify;">Πίσω τώρα στο SQL Setup, κάνουμε refresh και αυτόματα επιλέγει τον νέο δίσκο</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-27.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-872" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-27.jpg" alt="SQLlab (27)" width="592" height="414" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-27.jpg 592w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-27-300x210.jpg 300w" sizes="auto, (max-width: 592px) 100vw, 592px" /></a></p>
<p style="text-align: justify;">Στη συνέχεια δίνουμε στατική IP στο SQL Cluster Network, φυσικά από το Domain subnet</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-28.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-873" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-28.jpg" alt="SQLlab (28)" width="771" height="182" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-28.jpg 771w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-28-300x71.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-28-624x147.jpg 624w" sizes="auto, (max-width: 771px) 100vw, 771px" /></a></p>
<p style="text-align: justify;">Δίνουμε service accounts, για το Lab όπως είπα χρησιμοποιώ τον Domain Admin, αλλά ποτέ σε production.</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-29.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-874" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-29.jpg" alt="SQLlab (29)" width="573" height="217" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-29.jpg 573w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-29-300x114.jpg 300w" sizes="auto, (max-width: 573px) 100vw, 573px" /></a></p>
<p style="text-align: justify;">Στο Server Configuration δίνουμε ποιοι θα έχουν admin rights στην SQL</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-30.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-875" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-30.jpg" alt="SQLlab (30)" width="666" height="555" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-30.jpg 666w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-30-300x250.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-30-624x520.jpg 624w" sizes="auto, (max-width: 666px) 100vw, 666px" /></a></p>
<p style="text-align: justify;">Και στο Data Directories tab βλέπουμε ότι ήδη έχει επιλέξει το SQL Cluster Disk. Σε παραγωγικό περιβάλλον φυσικά θα έχουμε περισσότερους δίσκους για κάθε βάση/log.</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-31.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-876" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-31.jpg" alt="SQLlab (31)" width="537" height="319" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-31.jpg 537w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-31-300x178.jpg 300w" sizes="auto, (max-width: 537px) 100vw, 537px" /></a></p>
<p style="text-align: justify;">Μετά φτάνομε στο ready to install και πατάμε install. Περιμένουμε να γίνει η εγκατάσταση αργά και βασανιστικά μέχρι να δούμε το υπέροχο Completed successful.</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-32.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-877" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-32.jpg" alt="SQLlab (32)" width="811" height="602" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-32.jpg 811w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-32-300x223.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-32-624x463.jpg 624w" sizes="auto, (max-width: 811px) 100vw, 811px" /></a></p>
<p style="text-align: justify;">Και αν πάμε στο Failover Cluster Manager στους ρόλους θα δούμε το SQL Server</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-33.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-878" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-33.jpg" alt="SQLlab (33)" width="721" height="225" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-33.jpg 721w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-33-300x94.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-33-624x195.jpg 624w" sizes="auto, (max-width: 721px) 100vw, 721px" /></a></p>
<p style="text-align: justify;">Εδώ τελειώνει η εγκατάσταση του πρώτου Node. Κάνουμε Mount το ISO της SQL στο δεύτερο node και ξεκινάμε το Setup. Επιλέγουμε Add node to a SQL Server failover cluster</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-34.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-879" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-34.jpg" alt="SQLlab (34)" width="635" height="163" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-34.jpg 635w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-34-300x77.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-34-624x160.jpg 624w" sizes="auto, (max-width: 635px) 100vw, 635px" /></a></p>
<p style="text-align: justify;">Για το lab επιλέγω πάλι Evaluation, κάνω accept policies κλπ και πάμε για το installation.<br />
Στο Cluster Node Configuration ελέγχουμε ότι έχει βρει το SQL cluster που δημιουργήσαμε και πατάμε Next</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-35.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-880" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-35.jpg" alt="SQLlab (35)" width="801" height="307" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-35.jpg 801w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-35-300x115.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-35-624x239.jpg 624w" sizes="auto, (max-width: 801px) 100vw, 801px" /></a></p>
<p style="text-align: justify;">Στο Cluster Network Configuration ελέγχουμε ότι έχει βρει την IP του SQL Cluster και πατάμε next</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-36.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-881" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-36.jpg" alt="SQLlab (36)" width="784" height="215" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-36.jpg 784w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-36-300x82.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-36-624x171.jpg 624w" sizes="auto, (max-width: 784px) 100vw, 784px" /></a></p>
<p style="text-align: justify;">Στο Service Accounts δίνουμε το password του Account Που έχουμε ήδη δηλώσει για SQL Engine &amp; Agent</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-37.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-882" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-37.jpg" alt="SQLlab (37)" width="784" height="235" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-37.jpg 784w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-37-300x90.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-37-624x187.jpg 624w" sizes="auto, (max-width: 784px) 100vw, 784px" /></a></p>
<p style="text-align: justify;">Περνάμε τους ελέγχους και πατάμε install για να προσθέσει το Node στο Cluster και περιμένουμε μέχρι να να δούμε το Completed successful μήνυμα.</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-38.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-883" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-38.jpg" alt="SQLlab (38)" width="808" height="604" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-38.jpg 808w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-38-300x224.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-38-624x466.jpg 624w" sizes="auto, (max-width: 808px) 100vw, 808px" /></a></p>
<p style="text-align: justify;">Πάμε τώρα να δοκιμάσουμε ότι το SQL Role Μπορεί να κάνει failover και στα δύο Nodes.<br />
Ανοίγουμε το Failover Cluster Manager πηγαίνουμε στο Roles, επιλέγουμε το “SQL Server …”, δεξί click / Move και πατάμε “Select Node…”</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-39.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-884" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-39.jpg" alt="SQLlab (39)" width="791" height="409" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-39.jpg 791w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-39-300x155.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-39-624x323.jpg 624w" sizes="auto, (max-width: 791px) 100vw, 791px" /></a></p>
<p style="text-align: justify;">Διαλέγουμε το δεύτερο Node και πατάμε OK</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-40.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-885" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-40.jpg" alt="SQLlab (40)" width="403" height="285" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-40.jpg 403w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-40-300x212.jpg 300w" sizes="auto, (max-width: 403px) 100vw, 403px" /></a></p>
<p style="text-align: justify;">Περιμένουμε στο Status να γίνει Pending και μετά Running. Πλέον στο “Owner Node” πρέπει να αναφέρει στο δεύτερο Node, στο Lab, Win2012R202</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-41.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-886" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-41.jpg" alt="SQLlab (41)" width="496" height="147" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-41.jpg 496w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-41-300x89.jpg 300w" sizes="auto, (max-width: 496px) 100vw, 496px" /></a></p>
<div class="saboxplugin-wrap" itemtype="http://schema.org/Person" itemscope itemprop="author"><div class="saboxplugin-tab"><div class="saboxplugin-gravatar"><img loading="lazy" decoding="async" src="https://www.e-apostolidis.gr/wp-content/uploads/2019/05/mvpsummit2019.jpg" width="100"  height="100" alt="Pantelis Apostolidis" itemprop="image"></div><div class="saboxplugin-authorname"><a href="https://www.cloudcorner.gr/author/admin/" class="vcard author" rel="author"><span class="fn">Pantelis Apostolidis</span></a></div><div class="saboxplugin-desc"><div itemprop="description"><p>Pantelis Apostolidis is a Sr. Specialist, Azure at Microsoft and a former Microsoft Azure MVP. For the last 20 years, Pantelis has been involved to major cloud projects in Greece and abroad, helping companies to adopt and deploy cloud technologies, driving business value. He is entitled to a lot of Microsoft Expert Certifications, demonstrating his proven experience in delivering high quality solutions. He is an author, blogger and he is acting as a spokesperson for conferences, workshops and webinars. He is also an active member of several communities as a moderator in azureheads.gr and autoexec.gr. Follow him on Twitter @papostolidis.</p>
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		<title>SQL Failover Cluster with AlwaysOn Availability Groups</title>
		<link>https://www.cloudcorner.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/sql-failover-cluster-with-alwayson-ag/</link>
					<comments>https://www.cloudcorner.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/sql-failover-cluster-with-alwayson-ag/#comments</comments>
		
		<dc:creator><![CDATA[Pantelis Apostolidis]]></dc:creator>
		<pubDate>Mon, 09 Nov 2015 22:12:16 +0000</pubDate>
				<category><![CDATA[Hyper-V]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[Servers]]></category>
		<category><![CDATA[Ελληνικά]]></category>
		<category><![CDATA[core]]></category>
		<category><![CDATA[failover cluster]]></category>
		<category><![CDATA[freenas]]></category>
		<category><![CDATA[powershell]]></category>
		<category><![CDATA[sql]]></category>
		<category><![CDATA[storage]]></category>
		<guid isPermaLink="false">http://www.e-apostolidis.gr/?p=845</guid>

					<description><![CDATA[<p>SQL Failover Cluster with AlwaysOn Availability Groups Η ιδέα είναι να έχουμε ένα SQL Flailover Cluster στο Primary Site και στο υπάρχον</p>
<p>The post <a href="https://www.cloudcorner.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/sql-failover-cluster-with-alwayson-ag/">SQL Failover Cluster with AlwaysOn Availability Groups</a> appeared first on <a href="https://www.cloudcorner.gr">Apostolidis Cloud Corner</a>.</p>
]]></description>
										<content:encoded><![CDATA[<h1 style="text-align: justify;">SQL Failover Cluster with AlwaysOn Availability Groups</h1>
<p style="text-align: justify;">Η ιδέα είναι να έχουμε ένα SQL Flailover Cluster στο Primary Site και στο υπάρχον Cluster να προσθέσουμε ένα AlwaysOn Availability group για το DR. Λόγο του μεγέθους της υλοποίησης θα γίνει τρία Posts. Ένα το Failover Cluster, ένα η εγκατάσταση της SQL σε Failover Clster και ένα η υλοποίηση του AlwaysON Availability Groups.</p>
<ol>
<li style="text-align: justify;"><a href="http://www.e-apostolidis.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/sql-failover-cluster-with-alwayson-ag/">Windows Server 2012 R2 Failover Cluster with FreeNAS 9.3</a></li>
<li style="text-align: justify;"><a href="http://www.e-apostolidis.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/microsoft-sql-2012-on-failover-cluster/">Microsoft SQL 2012 on Failover Cluster</a></li>
<li style="text-align: justify;"><a href="http://www.e-apostolidis.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/add-alwayson-ag-to-sql-failover-cluster-instance/">Add AlwaysOn AG to SQL Failover Cluster Instance</a></li>
</ol>
<h1 style="text-align: justify;">Windows Server 2012 R2 Failover Cluster with FreeNAS 9.3</h1>
<p style="text-align: justify;">Ξεκίνησα φτιάχνοντας ένα VM FreeNAS για να μπορέσω να έχω με όσα λιγότερα resources ένα ISCSI Storage. Το FreeNAS θέλει 2GB Ram για την εγκατάσταση και το initial setup αλλά μετά το κατεβάζω σε 512MB Ram, έτσι κι αλλιώς οι απαιτήσεις μου θα είναι ελάχιστες. Δεν θα μείνω σε λεπτομέρειες για την εγκατάσταση του FreeNAS, κατεβάζουμε το ISO από το http://www.freenas.org/download/ και φτιάχνουμε ένα VM. Κάνουμε boot από το ISO και ακολουθούμε τον Wizard όπου διαλέγουμε δίσκο εγκατάστασης και δίνουμε root password. Τέλος αφού ανοίξει έχουμε 14 επιλογές, διαλέγουμε την 1 και ρυθμίζουμε το δίκτυο. Για το lab έδωσα 192.168.193.152/24<br />
Αφού ρυθμίσουμε το δίκτυο επιστρέφουμε στις επιλογές μόνο που πλέον μας ενημερώνει για την διεύθυνση του web interface, όπως στην εικόνα:</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-2.jpg"><img loading="lazy" decoding="async" class="alignnone wp-image-847 size-full" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-2.jpg" alt="SQLlab (2)" width="621" height="399" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-2.jpg 621w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-2-300x193.jpg 300w" sizes="auto, (max-width: 621px) 100vw, 621px" /></a></p>
<p style="text-align: justify;">Πριν κάνω login στο web interface έχω ήδη φτιάξει 2 δίσκους στο FreeNAS VM ώστε να αναλάβει ο wizard να φτιάξει volumes κλπ, αν και είναι πολύ απλό να τα κάνεις και manual στο FreNAS.<br />
Κάνω login στο FreeNAS web interface και ακολουθώ τον wizard. Δίνω pool name</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-4.jpg"><img loading="lazy" decoding="async" class="alignnone wp-image-849 size-full" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-4.jpg" alt="SQLlab (4)" width="564" height="305" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-4.jpg 564w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-4-300x162.jpg 300w" sizes="auto, (max-width: 564px) 100vw, 564px" /></a></p>
<p style="text-align: justify;">Δίνω share name και διαλέγω iSCSI</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-5.jpg"><img loading="lazy" decoding="async" class="alignnone wp-image-850 size-full" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-5.jpg" alt="SQLlab (5)" width="405" height="411" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-5.jpg 405w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-5-296x300.jpg 296w" sizes="auto, (max-width: 405px) 100vw, 405px" /></a></p>
<p style="text-align: justify;">Και αφού τελειώσει ο wizard έχουμε έτοιμο το iscsi target.</p>
<p style="text-align: justify;">Στη συνέχεια χρειαζόμαστε ένα Domain Controller. Μιας που μιλάμε για low resources lab, έφτιαξα ένα VM με 512 MB Ram και 1 CPU και έβαλα Windows Server 2012 r2 Core. Με sconfig.cmd ανοίγουμε τις επιλογές και δίνουμε computer name, IP κλπ</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllab1.jpg"><img loading="lazy" decoding="async" class="alignnone wp-image-887 size-full" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/sqllab1.jpg" alt="sqllab1" width="609" height="293" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllab1.jpg 609w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/sqllab1-300x144.jpg 300w" sizes="auto, (max-width: 609px) 100vw, 609px" /></a></p>
<p style="text-align: justify;">Και στη συνέχεια με powershell τον κάνουμε Domain Controller. Πρώτα βάζουμε domain services και management tools και στη συνέχεια τον προμοτάρουμε σε domain controller και DNS.</p>
<pre class="lang:ps decode:true ">Install-WindowsFeature AD-Domain-Services –IncludeManagementTools
Install-ADDSForest -DomainName "sqllab.int " -DomainNetbiosName "SQLLAB" -DomainMode Win2012R2 -ForestMode Win2012R2 -InstallDns –Force</pre>
<p style="text-align: justify;">Έτοιμος και ο Domain Contoller. Πάμε για τα Cluster Nodes. Έχω φτιάξει ένα VM με 2GB Ram, 2 CPUs, 2 NICs &amp; Windows Server 2012 R2. Sysprep και multiply και μπαμ έχουμε 3 όμορφα VMs.<br />
Μια λεπτομέρεια, επειδή θα χρειαστούμε σε όλα τα VMs Failover Cluster και επίσης η SQL 2012 θέλει .NetFramework 3.5, στο template VM βάζουμε και αυτά.</p>
<p style="text-align: justify;">Ξεκινάμε το Failover Cluster για να βάλουμε SQL.<br />
Ανοίγουμε το πρώτο VM, rename, στο lab το ονόμασα Win2012R201 (πρωτότυπο ε?) και κάνουμε join στο domain.<br />
Δίνουμε στην μια NIC μια IP που θα βλέπει το Domain και το FreeNAS και στην άλλη NIC ένα διαφορετικό subnet που θα βλέπει μόνο το άλλο Node. Για ευκολία έχω κάνει rename την μια κάρτα Domain με IP 192.168.193.153 και την άλλη Heartbeat με IP 172.16.5.1</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-1.jpg"><img loading="lazy" decoding="async" class="alignnone wp-image-846 size-full" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-1.jpg" alt="SQLlab (1)" width="569" height="173" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-1.jpg 569w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-1-300x91.jpg 300w" sizes="auto, (max-width: 569px) 100vw, 569px" /></a></p>
<p style="text-align: justify;">Στη συνέχεια ενεργοποιούμε το iscsi initiator από administrator tools και προσθέτουμε το iscsi target δίνοντας την IP του FreeNAS και πατώντας quick connect και μετά Connect και διαλέγουμε και το Multi path. Μετά στο Volumes and Devices tab πατάμε Auto Configure. Τέλος στο Device manager κάνουμε initialize τον δίσκο, format και του δίνουμε ένα γράμμα. Για test φτιάχνουμε ένα text αρχείο στο δίσκο.</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-7.jpg"><img loading="lazy" decoding="async" class="wp-image-852 size-medium alignleft" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-7-274x300.jpg" alt="SQLlab (7)" width="274" height="300" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-7-274x300.jpg 274w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-7.jpg 493w" sizes="auto, (max-width: 274px) 100vw, 274px" /></a></p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-6.jpg"><img loading="lazy" decoding="async" class="wp-image-851 size-medium alignnone" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-6-300x163.jpg" alt="SQLlab (6)" width="300" height="163" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-6-300x163.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-6.jpg 567w" sizes="auto, (max-width: 300px) 100vw, 300px" /></a></p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-8.jpg"><img loading="lazy" decoding="async" class="size-medium wp-image-853 alignnone" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-8-300x253.jpg" alt="SQLlab (8)" width="300" height="253" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-8-300x253.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-8.jpg 474w" sizes="auto, (max-width: 300px) 100vw, 300px" /></a></p>
<p style="text-align: justify;">Το ίδιο κάνουμε και στο δεύτερο VM. Για να σιγουρευτούμε ότι και οι δύο μπορούν να γράψουν στον ίδιο δίσκο δημιουργούμε και εδώ ένα αρχείο. Σαν αποτέλεσμα πρέπει να έχουμε και τα 2 αρχεία.</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-10.jpg"><img loading="lazy" decoding="async" class="alignnone wp-image-855 size-full" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-10.jpg" alt="SQLlab (10)" width="283" height="137" /></a></p>
<p style="text-align: justify;">Ανοίγουμε το Failover Cluster Manager από τα Administrative Tools και πρώτα τρέχουμε το Validate Configuration, διαλέγουμε και τους 2 member servers που ετοιμάσαμε με το iscsi και τρέχουμε το test.</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-11.jpg"><img loading="lazy" decoding="async" class="alignnone wp-image-856 size-full" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-11.jpg" alt="SQLlab (11)" width="679" height="457" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-11.jpg 679w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-11-300x202.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-11-624x420.jpg 624w" sizes="auto, (max-width: 679px) 100vw, 679px" /></a></p>
<p style="text-align: justify;">Μόλις τελειώσει το validation κοιτάμε να μην έχει errors ή warnings και αν έχει τα διορθώνουμε και τον ξανατρέχουμε. Τέλος όταν έχει ολοκληρωθεί επιτυχώς, όπως στην εικόνα, το “create the cluster now using the validated nodes” είναι επιλεγμένο και πατώντας finish ανοίγει ο Create Cluster Wizard.<br />
Δίνουμε Cluster Name και IP</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-12.jpg"><img loading="lazy" decoding="async" class="alignnone wp-image-857 size-full" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-12.jpg" alt="SQLlab (12)" width="667" height="456" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-12.jpg 667w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-12-300x205.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-12-624x427.jpg 624w" sizes="auto, (max-width: 667px) 100vw, 667px" /></a></p>
<p style="text-align: justify;">Το αφήνουμε να προσθέσει όλο το διαθέσιμο storage και πατάμε next για να δημιουργηθεί το cluster</p>
<p style="text-align: justify;"><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-13.jpg"><img loading="lazy" decoding="async" class="alignnone wp-image-858 size-full" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-13.jpg" alt="SQLlab (13)" width="666" height="456" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-13.jpg 666w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-13-300x205.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-13-624x427.jpg 624w" sizes="auto, (max-width: 666px) 100vw, 666px" /></a></p>
<p>Αν ο cluster validator είχε τελειώσει επιτυχώς τότε και το cluster θα δημιουργηθεί επιτυχώς</p>
<p><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-15.jpg"><img loading="lazy" decoding="async" class="alignnone wp-image-860 size-full" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-15.jpg" alt="SQLlab (15)" width="679" height="444" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-15.jpg 679w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-15-300x196.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-15-624x408.jpg 624w" sizes="auto, (max-width: 679px) 100vw, 679px" /></a></p>
<p>Και voila έχουμε ένα όμορφο cluster</p>
<p><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-14.jpg"><img loading="lazy" decoding="async" class="alignnone wp-image-859 size-full" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-14.jpg" alt="SQLlab (14)" width="792" height="189" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-14.jpg 792w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-14-300x72.jpg 300w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-14-624x149.jpg 624w" sizes="auto, (max-width: 792px) 100vw, 792px" /></a></p>
<p>Μπορείτε να δείτε ότι το cluster network 1 είναι cluster only και έχει το subnet που δώσαμε για heartbeat και το cluster network 2 που είναι cluster and client έχει το domain subnet</p>
<p><a href="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-16.jpg"><img loading="lazy" decoding="async" class="alignnone wp-image-861 size-full" src="http://www.e-apostolidis.gr/wp-content/uploads/2015/11/SQLlab-16.jpg" alt="SQLlab (16)" width="484" height="273" srcset="https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-16.jpg 484w, https://www.cloudcorner.gr/wp-content/uploads/2015/11/SQLlab-16-300x169.jpg 300w" sizes="auto, (max-width: 484px) 100vw, 484px" /></a></p>
<p>Συνέχεια στο επόμενο post <a href="http://www.e-apostolidis.gr/%ce%b5%ce%bb%ce%bb%ce%b7%ce%bd%ce%b9%ce%ba%ce%ac/microsoft-sql-2012-on-failover-cluster/">Microsoft SQL 2012 on Failover Cluster</a></p>
<p>&nbsp;</p>
<div class="saboxplugin-wrap" itemtype="http://schema.org/Person" itemscope itemprop="author"><div class="saboxplugin-tab"><div class="saboxplugin-gravatar"><img loading="lazy" decoding="async" src="https://www.e-apostolidis.gr/wp-content/uploads/2019/05/mvpsummit2019.jpg" width="100"  height="100" alt="Pantelis Apostolidis" itemprop="image"></div><div class="saboxplugin-authorname"><a href="https://www.cloudcorner.gr/author/admin/" class="vcard author" rel="author"><span class="fn">Pantelis Apostolidis</span></a></div><div class="saboxplugin-desc"><div itemprop="description"><p>Pantelis Apostolidis is a Sr. Specialist, Azure at Microsoft and a former Microsoft Azure MVP. For the last 20 years, Pantelis has been involved to major cloud projects in Greece and abroad, helping companies to adopt and deploy cloud technologies, driving business value. He is entitled to a lot of Microsoft Expert Certifications, demonstrating his proven experience in delivering high quality solutions. He is an author, blogger and he is acting as a spokesperson for conferences, workshops and webinars. He is also an active member of several communities as a moderator in azureheads.gr and autoexec.gr. Follow him on Twitter @papostolidis.</p>
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		<item>
		<title>Gain SYSADMIN access to SQL Server</title>
		<link>https://www.cloudcorner.gr/microsoft/gain-sysadmin-access-to-sql-server/</link>
					<comments>https://www.cloudcorner.gr/microsoft/gain-sysadmin-access-to-sql-server/#respond</comments>
		
		<dc:creator><![CDATA[Pantelis Apostolidis]]></dc:creator>
		<pubDate>Tue, 12 May 2015 13:25:13 +0000</pubDate>
				<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[Servers]]></category>
		<category><![CDATA[sql]]></category>
		<guid isPermaLink="false">https://proximagr.wordpress.com/?p=354</guid>

					<description><![CDATA[<p>To Gain SYSADMIN access to SQL Server you need to be local administrator of the server. The steps are: Stop</p>
<p>The post <a href="https://www.cloudcorner.gr/microsoft/gain-sysadmin-access-to-sql-server/">Gain SYSADMIN access to SQL Server</a> appeared first on <a href="https://www.cloudcorner.gr">Apostolidis Cloud Corner</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p>To Gain SYSADMIN access to SQL Server you need to be local administrator of the server.<br />
The steps are:<br />
Stop the SQL Server Database Service<br />
Open an elevated command prompt and run &#8220;SQLServr.Exe –m&#8221;<br />
You may need to browse the Binn path of the SQL server installation, usually is: C:Program FilesMicrosoft SQL ServerMSSQL10.MSSQLSERVERMSSQLBinn<br />
Open an other elevated command prompt window and run:<br />
SQLCMD –S . (. is for local server with default instance)<br />
Now you are connected to the SQL Database and you cna start the Query:</p>
<pre class="lang:tsql decode:true ">/*To add a domain account run:*/
1&gt;CREATE LOGIN [MyDomainMyUser] FROM WINDOWS;
2&gt;ALTER SERVER ROLE sysadmin ADD MEMBER [MyDomainMyUser];
3&gt;GO;
/*To add an SQL account run:*/
1&gt;CREATE LOGIN SQLUser WITH PASSWORD = '************';
2&gt;ALTER SERVER ROLE sysadmin ADD MEMBER SQLUser;
3&gt;GO;
/*To change the sa password run:*/
ALTER LOGIN sa WITH PASSWORD = '************';</pre>
<p>&nbsp;</p>
<p>Finally close both command prompt windows and start the SQL service fom the services mmc.</p>
<div class="saboxplugin-wrap" itemtype="http://schema.org/Person" itemscope itemprop="author"><div class="saboxplugin-tab"><div class="saboxplugin-gravatar"><img loading="lazy" decoding="async" src="https://www.e-apostolidis.gr/wp-content/uploads/2019/05/mvpsummit2019.jpg" width="100"  height="100" alt="Pantelis Apostolidis" itemprop="image"></div><div class="saboxplugin-authorname"><a href="https://www.cloudcorner.gr/author/admin/" class="vcard author" rel="author"><span class="fn">Pantelis Apostolidis</span></a></div><div class="saboxplugin-desc"><div itemprop="description"><p>Pantelis Apostolidis is a Sr. Specialist, Azure at Microsoft and a former Microsoft Azure MVP. For the last 20 years, Pantelis has been involved to major cloud projects in Greece and abroad, helping companies to adopt and deploy cloud technologies, driving business value. He is entitled to a lot of Microsoft Expert Certifications, demonstrating his proven experience in delivering high quality solutions. He is an author, blogger and he is acting as a spokesperson for conferences, workshops and webinars. He is also an active member of several communities as a moderator in azureheads.gr and autoexec.gr. Follow him on Twitter @papostolidis.</p>
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href="https://www.addtoany.com/share#url=https%3A%2F%2Fwww.cloudcorner.gr%2Fmicrosoft%2Fgain-sysadmin-access-to-sql-server%2F&#038;title=Gain%20SYSADMIN%20access%20to%20SQL%20Server" data-a2a-url="https://www.cloudcorner.gr/microsoft/gain-sysadmin-access-to-sql-server/" data-a2a-title="Gain SYSADMIN access to SQL Server"><img src="https://static.addtoany.com/buttons/share_save_171_16.png" alt="Share"></a></p><p>The post <a href="https://www.cloudcorner.gr/microsoft/gain-sysadmin-access-to-sql-server/">Gain SYSADMIN access to SQL Server</a> appeared first on <a href="https://www.cloudcorner.gr">Apostolidis Cloud Corner</a>.</p>
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			</item>
		<item>
		<title>Change System Databases Path</title>
		<link>https://www.cloudcorner.gr/microsoft/change-system-databases-path/</link>
					<comments>https://www.cloudcorner.gr/microsoft/change-system-databases-path/#respond</comments>
		
		<dc:creator><![CDATA[Pantelis Apostolidis]]></dc:creator>
		<pubDate>Tue, 12 May 2015 13:14:07 +0000</pubDate>
				<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[Servers]]></category>
		<category><![CDATA[sql]]></category>
		<guid isPermaLink="false">https://proximagr.wordpress.com/?p=347</guid>

					<description><![CDATA[<p>To change the path of the system databases first stop the SQL Database Engine service. Then open an elevated command</p>
<p>The post <a href="https://www.cloudcorner.gr/microsoft/change-system-databases-path/">Change System Databases Path</a> appeared first on <a href="https://www.cloudcorner.gr">Apostolidis Cloud Corner</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p>To change the path of the system databases first stop the SQL Database Engine service. Then open an elevated command prompt and run:</p>
<p>NET START MSSQLSERVER /f /T3608<br />
SQLCMD -S .</p>
<p>Then run:</p>
<pre class="lang:tsql decode:true ">1&gt;SELECT name, physical_name, state_desc FROM sys.master_files ORDER BY database_id;
2&gt;GO;
/*This will list all the system databases and their paths*/
/*Then you can alter the paths with the following commands:*/
1&gt;ALTER DATABASE model MODIFY FILE ( NAME = modeldev, FILENAME = 'c:model.mdf');
2&gt;ALTER DATABASE model MODIFY FILE ( NAME = modellog, FILENAME = 'c:modellog.ldf');
3&gt;ALTER DATABASE msdb MODIFY FILE ( NAME = MSDBData, FILENAME = 'c:MSDBData.mdf');
4&gt;ALTER DATABASE msdb MODIFY FILE ( NAME = MSDBLog, FILENAME = 'c:MSDBLog.ldf');
5&gt;ALTER DATABASE tempdb MODIFY FILE ( NAME = tempdev, FILENAME = 'c:temp.mdf');
6&gt;ALTER DATABASE tempdb MODIFY FILE ( NAME = templog, FILENAME = 'c:temp.ldf');
7&gt;GO;
/*Type exit to end the SQLCMD*/
8&gt;exit</pre>
<p>&nbsp;</p>
<p>Finally stop the SQL service and start it from the services mmc.</p>
<p>NET STOP MSSQLSERVER</p>
<div class="saboxplugin-wrap" itemtype="http://schema.org/Person" itemscope itemprop="author"><div class="saboxplugin-tab"><div class="saboxplugin-gravatar"><img loading="lazy" decoding="async" src="https://www.e-apostolidis.gr/wp-content/uploads/2019/05/mvpsummit2019.jpg" width="100"  height="100" alt="Pantelis Apostolidis" itemprop="image"></div><div class="saboxplugin-authorname"><a href="https://www.cloudcorner.gr/author/admin/" class="vcard author" rel="author"><span class="fn">Pantelis Apostolidis</span></a></div><div class="saboxplugin-desc"><div itemprop="description"><p>Pantelis Apostolidis is a Sr. Specialist, Azure at Microsoft and a former Microsoft Azure MVP. For the last 20 years, Pantelis has been involved to major cloud projects in Greece and abroad, helping companies to adopt and deploy cloud technologies, driving business value. He is entitled to a lot of Microsoft Expert Certifications, demonstrating his proven experience in delivering high quality solutions. He is an author, blogger and he is acting as a spokesperson for conferences, workshops and webinars. He is also an active member of several communities as a moderator in azureheads.gr and autoexec.gr. Follow him on Twitter @papostolidis.</p>
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href="https://www.addtoany.com/share#url=https%3A%2F%2Fwww.cloudcorner.gr%2Fmicrosoft%2Fchange-system-databases-path%2F&#038;title=Change%20System%20Databases%20Path" data-a2a-url="https://www.cloudcorner.gr/microsoft/change-system-databases-path/" data-a2a-title="Change System Databases Path"><img src="https://static.addtoany.com/buttons/share_save_171_16.png" alt="Share"></a></p><p>The post <a href="https://www.cloudcorner.gr/microsoft/change-system-databases-path/">Change System Databases Path</a> appeared first on <a href="https://www.cloudcorner.gr">Apostolidis Cloud Corner</a>.</p>
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		<title>SQL Script Notebook</title>
		<link>https://www.cloudcorner.gr/microsoft/sql-script-notebook/</link>
					<comments>https://www.cloudcorner.gr/microsoft/sql-script-notebook/#respond</comments>
		
		<dc:creator><![CDATA[Pantelis Apostolidis]]></dc:creator>
		<pubDate>Wed, 04 Mar 2015 12:37:50 +0000</pubDate>
				<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[Servers]]></category>
		<category><![CDATA[sql]]></category>
		<guid isPermaLink="false">https://proximagr.wordpress.com/?p=306</guid>

					<description><![CDATA[<p>In this post I decided to add the scripts that occasionally helped me to manage Microsoft SQL servers. Those are</p>
<p>The post <a href="https://www.cloudcorner.gr/microsoft/sql-script-notebook/">SQL Script Notebook</a> appeared first on <a href="https://www.cloudcorner.gr">Apostolidis Cloud Corner</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p>In this post I decided to add the scripts that occasionally helped me to manage Microsoft SQL servers. Those are small scripts that I gathered searching the WEB (ok, google), some are as is and some are edited to cover the current needs.</p>
<h1>Script #1 | Get the waste space of a database</h1>
<p>With this script we can get the Total Plan Cache Size In MBs, the Total Single Used Plans In MBs and the % of Wasted space from single used plans.</p>
<p>&nbsp;</p>
<pre class="lang:tsql decode:true ">declare @TotalPlanCacheSizeInMBs decimal(18,2), @TotalSingleUsedPlansInMBs decimal(18,2)
select @TotalPlanCacheSizeInMBs = (sum(cast(size_in_bytes as decimal(18,2)))/1024)/1024
, @TotalSingleUsedPlansInMBs = (sum(cast((case when usecounts = 1 and objtype in ('Adhoc','Prepared') then size_in_bytes else 0 end) as decimal(12,2)))/1024)/1024
from sys.dm_exec_cached_plans
select @TotalPlanCacheSizeInMBs AS [Total Plan Cache Size In MBs]
, @TotalSingleUsedPlansInMBs AS [Total Single Used Plans In MBs]
, cast((@TotalSingleUsedPlansInMBs * 100 ) / @TotalPlanCacheSizeInMBs as decimal(18,2)) AS [% of Wasted space from single used plans]
go</pre>
<p>&nbsp;</p>
<h1>Script #2 | Get the Current Backup-Restore Progress</h1>
<p>With this script we can see if currently there is a Backup or restore progress running on the server, for all databases. Also if you have started a backup or restore process from the GUI and accidentally closed the progress window then with this script you can monitor the progress.</p>
<pre class="lang:tsql decode:true ">USE master

SELECT
session_id as SPID,
CONVERT(VARCHAR(50),start_time,100) AS start_time,
percent_complete,
CONVERT(VARCHAR(50),dateadd(second,estimated_completion_time/1000, getdate()),100) as estimated_completion_time,
command, a.text AS Query
FROM sys.dm_exec_requests r
CROSS APPLY sys.dm_exec_sql_text(r.sql_handle) a
WHERE r.command LIKE 'BACKUP%' OR r.command LIKE 'RESTORE%'</pre>
<p>&nbsp;</p>
<h1>Script #3 | Get who is connected</h1>
<p>With this script we can see who is currently connected and to what database.</p>
<pre class="lang:tsql decode:true ">SELECT
DB_NAME(dbid) as DBName,
COUNT(dbid) as NumberOfConnections,
loginame as LoginName
FROM
sys.sysprocesses
WHERE
dbid &amp;gt; 0
GROUP BY
dbid, loginame
;</pre>
<p>&nbsp;</p>
<h1>Script #4 | Get the Index Fragmentation</h1>
<p>With this script we can get the Index Fragmentation of a database. It will return the Table, the Index, the Average Fragmentation in % and the Page Count.</p>
<pre class="lang:tsql decode:true ">SELECT dbschemas.[name] as 'Schema',
dbtables.[name] as 'Table',
dbindexes.[name] as 'Index',
indexstats.avg_fragmentation_in_percent,
indexstats.page_count
FROM sys.dm_db_index_physical_stats (DB_ID(), NULL, NULL, NULL, NULL) AS indexstats
INNER JOIN sys.tables dbtables on dbtables.[object_id] = indexstats.[object_id]
INNER JOIN sys.schemas dbschemas on dbtables.[schema_id] = dbschemas.[schema_id]
INNER JOIN sys.indexes AS dbindexes ON dbindexes.[object_id] = indexstats.[object_id]
AND indexstats.index_id = dbindexes.index_id
WHERE indexstats.avg_fragmentation_in_percent &amp;gt; 30
ORDER BY indexstats.page_count desc</pre>
<p>&nbsp;</p>
<p>That&#8217;s all until now, I will try to keep updating this post.</p>
<div class="saboxplugin-wrap" itemtype="http://schema.org/Person" itemscope itemprop="author"><div class="saboxplugin-tab"><div class="saboxplugin-gravatar"><img loading="lazy" decoding="async" src="https://www.e-apostolidis.gr/wp-content/uploads/2019/05/mvpsummit2019.jpg" width="100"  height="100" alt="Pantelis Apostolidis" itemprop="image"></div><div class="saboxplugin-authorname"><a href="https://www.cloudcorner.gr/author/admin/" class="vcard author" rel="author"><span class="fn">Pantelis Apostolidis</span></a></div><div class="saboxplugin-desc"><div itemprop="description"><p>Pantelis Apostolidis is a Sr. Specialist, Azure at Microsoft and a former Microsoft Azure MVP. For the last 20 years, Pantelis has been involved to major cloud projects in Greece and abroad, helping companies to adopt and deploy cloud technologies, driving business value. He is entitled to a lot of Microsoft Expert Certifications, demonstrating his proven experience in delivering high quality solutions. He is an author, blogger and he is acting as a spokesperson for conferences, workshops and webinars. He is also an active member of several communities as a moderator in azureheads.gr and autoexec.gr. Follow him on Twitter @papostolidis.</p>
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		<title>Tune SQL Server</title>
		<link>https://www.cloudcorner.gr/microsoft/tune-sql-server/</link>
					<comments>https://www.cloudcorner.gr/microsoft/tune-sql-server/#respond</comments>
		
		<dc:creator><![CDATA[Pantelis Apostolidis]]></dc:creator>
		<pubDate>Wed, 25 Feb 2015 14:33:44 +0000</pubDate>
				<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[Servers]]></category>
		<category><![CDATA[sql]]></category>
		<guid isPermaLink="false">https://proximagr.wordpress.com/?p=299</guid>

					<description><![CDATA[<p>I have gathered some notes from SQLSchool.gr for Configuring an SQL Server 1. Set the minimum Page File, 512MB to</p>
<p>The post <a href="https://www.cloudcorner.gr/microsoft/tune-sql-server/">Tune SQL Server</a> appeared first on <a href="https://www.cloudcorner.gr">Apostolidis Cloud Corner</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p>I have gathered some notes from SQLSchool.gr for Configuring an SQL Server</p>
<p>1. Set the minimum Page File, 512MB to 2GB, but don&#8217;t remove it<br />
2. Set Antivirus Exclusions for all SQL files and services<br />
3. Format the OS drives with the defaults 4k cluster size<br />
4. Format the Drives holding the data &amp; log files with 64k cluster size<br />
5. Format the Drives holding the filestream files with 4k cluster size<br />
6. Set the server&#8217;s power option to High Performance<br />
7. Use separate drives for application, database data, database logs, TempDB data &amp; Backup folders.<br />
8. Use a domain user for SQL service account &amp; a different domain user for every service<br />
9. Enable Trace Flags -T1118 &amp; -T2371<br />
10. Enable backup compression<br />
11. Set default Database location for Data, Log &amp; Backup files<br />
12. Do not change the:<br />
a. Maximum number of concurrent connections<br />
b. Max Worker Threads<br />
c. Priority Boost<br />
d. Lightweight Pooling<br />
13. Change the Network Packet Size to 8192<br />
14. Set the Max Server Memory to 1GB for OS and 1GB for each 4GB and 1GB after the first 16GB<br />
15. Change the default size for data &amp; log files of the Model database<br />
16. Change the file growth to fixed units of the Model database<br />
17. Move TempDB to its own drive<br />
18. Change the Cost Threshold for Parallelism to 20-25<br />
19. Configure the MAXDOP:<br />
For more than 8 CPU Cores MAXDOP=8<br />
For 8 or less CPU Cores MAXDOP=N, where N are the CPU Cores<br />
Always use even values<br />
MAXDOP should be no more than the number of cores per NUMA node<br />
20. Enable the Optimize for Ad Hoc Workloads<br />
21. Enable TCP/IP &amp; add firewall exceptions (UTP 1434 SQL Browser)<br />
22. Configure Database Mail, create operators, create Alerts for Severity 16-25 &amp; Errors 823,824,825<br />
23. For new databases:<br />
a. Don&#8217;t use default file size<br />
b. Don&#8217;t use percentage as file growth<br />
c. Don&#8217;t set Auto Close<br />
d. Don&#8217;t set Auto Shrink<br />
e. Don&#8217;t unset Auto Create/Update Statistics<br />
f. Set ANSI_NULLS to True<br />
g. Set ANSI_PADDING to True</p>
<div class="saboxplugin-wrap" itemtype="http://schema.org/Person" itemscope itemprop="author"><div class="saboxplugin-tab"><div class="saboxplugin-gravatar"><img loading="lazy" decoding="async" src="https://www.e-apostolidis.gr/wp-content/uploads/2019/05/mvpsummit2019.jpg" width="100"  height="100" alt="Pantelis Apostolidis" itemprop="image"></div><div class="saboxplugin-authorname"><a href="https://www.cloudcorner.gr/author/admin/" class="vcard author" rel="author"><span class="fn">Pantelis Apostolidis</span></a></div><div class="saboxplugin-desc"><div itemprop="description"><p>Pantelis Apostolidis is a Sr. Specialist, Azure at Microsoft and a former Microsoft Azure MVP. For the last 20 years, Pantelis has been involved to major cloud projects in Greece and abroad, helping companies to adopt and deploy cloud technologies, driving business value. He is entitled to a lot of Microsoft Expert Certifications, demonstrating his proven experience in delivering high quality solutions. He is an author, blogger and he is acting as a spokesperson for conferences, workshops and webinars. He is also an active member of several communities as a moderator in azureheads.gr and autoexec.gr. Follow him on Twitter @papostolidis.</p>
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