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		<title>Azure Failover Cluster with Shared Disk &#8211; Step by Step</title>
		<link>https://www.cloudcorner.gr/microsoft/azure/azure-failover-cluster-with-shared-disk-step-by-step/</link>
					<comments>https://www.cloudcorner.gr/microsoft/azure/azure-failover-cluster-with-shared-disk-step-by-step/#comments</comments>
		
		<dc:creator><![CDATA[Pantelis Apostolidis]]></dc:creator>
		<pubDate>Sat, 04 Apr 2020 13:02:03 +0000</pubDate>
				<category><![CDATA[Azure]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[PowerShell]]></category>
		<category><![CDATA[Servers]]></category>
		<category><![CDATA[azure]]></category>
		<category><![CDATA[azure vm]]></category>
		<category><![CDATA[azurerm]]></category>
		<category><![CDATA[cluster]]></category>
		<category><![CDATA[disk]]></category>
		<category><![CDATA[failover cluster]]></category>
		<category><![CDATA[fci]]></category>
		<category><![CDATA[iaas]]></category>
		<category><![CDATA[json]]></category>
		<category><![CDATA[shared disk]]></category>
		<category><![CDATA[storage account]]></category>
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					<description><![CDATA[<p>Azure Failover Cluster with Shared Disk Recently MIcrosoft Azure anounched the preview feature &#8220;Shared Disk&#8221;. The Shared Disk can be</p>
<p>The post <a href="https://www.cloudcorner.gr/microsoft/azure/azure-failover-cluster-with-shared-disk-step-by-step/">Azure Failover Cluster with Shared Disk &#8211; Step by Step</a> appeared first on <a href="https://www.cloudcorner.gr">Apostolidis Cloud Corner</a>.</p>
]]></description>
										<content:encoded><![CDATA[<h1 style="text-align: justify;">Azure Failover Cluster with Shared Disk</h1>
<p style="text-align: justify;">Recently MIcrosoft Azure anounched the preview feature &#8220;Shared Disk&#8221;. The Shared Disk can be attached at two Azure MVs at the same time. The purpose is to create SQL Server Failover Cluster Instances (FCI), Scale-out File Server (SoFS), File Server for General Use (IW workload), Remote Desktop Server User Profile Disk (RDS UPD) and  SAP ASCS/SCS. More or less we can have a failover cluster at Azure VMs like haveing an on-premises failover cluster with shared storage.</p>
<p style="text-align: justify;">At this post I will demostrate step-by-step how to create a Failover Cluster in Azure with two Azure VMs and a Shared Disk.</p>
<p style="text-align: justify;">Since this is a preview feature at the time I am wroting this post, we need to <a href="https://aka.ms/AzureSharedDiskPreviewSignUp" data-linktype="external">sign up for our preview</a>.</p>
<p style="text-align: justify;">Once we have the confiration that the Shared Disk preview is enabled at our Subscription, we can proceed and create our Shared Disk. Currently this can be done only by using an ARM Template, in order to define the <strong>&#8220;maxShares&#8221;: &#8220;[parameters(&#8216;maxShares&#8217;)]&#8221;</strong> disk property. This property defines in how VMs can this Disk be attached.</p>
<div class="table-scroll-wrapper" style="text-align: justify;">
<table class="table">
<caption class="visually-hidden">The following table illustrates the allowed maximum values for <code>maxShares</code> by disk size:</caption>
<thead>
<tr>
<th>Disk sizes</th>
<th>maxShares limit</th>
</tr>
</thead>
<tbody>
<tr>
<td>P15, P20</td>
<td>2</td>
</tr>
<tr>
<td>P30, P40, P50</td>
<td>5</td>
</tr>
<tr>
<td>P60, P70, P80</td>
<td>10</td>
</tr>
</tbody>
</table>
</div>
<p style="text-align: justify;">Other limitations of the preview are:</p>
<ul style="text-align: justify;">
<li>Currently only available with premium SSDs.</li>
<li>Currently only supported in the West Central US region.</li>
<li>All virtual machines sharing a disk must be deployed in the same proximity placement groups.</li>
<li>Can only be enabled on data disks, not OS disks.</li>
<li>Only basic disks can be used with some versions of Windows Server Failover Cluster, for details see</li>
<li>Failover clustering hardware requirements and storage options.</li>
<li>ReadOnly host caching is not available for premium SSDs with maxShares&gt;1.</li>
<li>Availability sets and virtual machine scale sets can only be used with FaultDomainCount set to 1.</li>
<li>Azure Backup and Azure Site Recovery support is not yet available.</li>
</ul>
<p style="text-align: justify;">From the Azure Portal search and open the &#8220;Template Deployment&#8221;</p>
<p id="fbLGCcl" style="text-align: justify;"><img fetchpriority="high" decoding="async" width="770" height="197" class="alignnone size-full wp-image-3351 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e8764dede2d3.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e8764dede2d3.png 770w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e8764dede2d3-300x77.png 300w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e8764dede2d3-768x196.png 768w" sizes="(max-width: 770px) 100vw, 770px" />\</p>
<p style="text-align: justify;">Select the &#8220;Build your own template in the editor&#8221;</p>
<p id="EiSACdM" style="text-align: justify;"><img decoding="async" width="450" height="189" class="alignnone size-full wp-image-3352 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e8764f3f16c2.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e8764f3f16c2.png 450w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e8764f3f16c2-300x126.png 300w" sizes="(max-width: 450px) 100vw, 450px" /></p>
<p style="text-align: justify;">And paste the Shared Disk Json at the template</p>
<p id="WlirTrl" style="text-align: justify;"><img decoding="async" width="1069" height="852" class="alignnone size-full wp-image-3353 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e87652a6a1b4.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e87652a6a1b4.png 1069w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e87652a6a1b4-300x239.png 300w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e87652a6a1b4-1024x816.png 1024w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e87652a6a1b4-768x612.png 768w" sizes="(max-width: 1069px) 100vw, 1069px" /></p>
<p style="text-align: justify;">The Shared Disk Json:</p>
<pre class="EnlighterJSRAW" data-enlighter-language="null">{ 
  "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "dataDiskName": {
      "type": "string",
      "defaultValue": "mySharedDisk"
    },
    "dataDiskSizeGB": {
      "type": "int",
      "defaultValue": 1024
    },
    "maxShares": {
      "type": "int",
      "defaultValue": 2
    }
  },
  "resources": [
    {
      "type": "Microsoft.Compute/disks",
      "name": "[parameters('dataDiskName')]",
      "location": "[resourceGroup().location]",
      "apiVersion": "2019-07-01",
      "sku": {
        "name": "Premium_LRS"
      },
      "properties": {
        "creationData": {
          "createOption": "Empty"
        },
        "diskSizeGB": "[parameters('dataDiskSizeGB')]",
        "maxShares": "[parameters('maxShares')]"
      }
    }
  ] 
}</pre>
<p style="text-align: justify;">After the Template Deployment is comleted you will see a normal disk at the Resoruce Group.</p>
<p id="gJFsVXu" style="text-align: justify;"><img loading="lazy" decoding="async" width="591" height="164" class="alignnone size-full wp-image-3355 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e8765ef6d351.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e8765ef6d351.png 591w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e8765ef6d351-300x83.png 300w" sizes="auto, (max-width: 591px) 100vw, 591px" /></p>
<h2 style="text-align: justify;">Create the VMs</h2>
<p style="text-align: justify;">Create both VMs like any normal Azure VM creation. I created wto Windows Server 2016 VMs. Both VMs must be added to the same availability set (Fault Domain = 1), in order to add them behing an internal load balancer and they must be added to the same Proximity Placement Group.</p>
<p style="text-align: justify;">To create a Proximity Placement Group, just create a new resource, search for &#8220;Proximity Placement Group&#8221; and press create. Just provide a name for the PPG and the location, that must be the same as the Disk.</p>
<p id="uxOAIrG" style="text-align: justify;"><img loading="lazy" decoding="async" width="597" height="232" class="alignnone size-full wp-image-3386 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e887579899e4.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e887579899e4.png 597w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e887579899e4-300x117.png 300w" sizes="auto, (max-width: 597px) 100vw, 597px" /></p>
<p style="text-align: justify;">And select it at the VM creation wizard:</p>
<p id="JXiaEkS" style="text-align: justify;"><img loading="lazy" decoding="async" width="784" height="142" class="alignnone size-full wp-image-3358 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e87b8936977b.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e87b8936977b.png 784w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e87b8936977b-300x54.png 300w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e87b8936977b-768x139.png 768w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e87b8936977b-780x142.png 780w" sizes="auto, (max-width: 784px) 100vw, 784px" /></p>
<p style="text-align: justify;">Attach the Sahred Disk to Both VMs</p>
<p id="CGuUoUH" style="text-align: justify;"><img loading="lazy" decoding="async" width="792" height="200" class="alignnone size-full wp-image-3359 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e87b8a736614.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e87b8a736614.png 792w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e87b8a736614-300x76.png 300w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e87b8a736614-768x194.png 768w" sizes="auto, (max-width: 792px) 100vw, 792px" /></p>
<p style="text-align: justify;">When attaching the Shared Disk to the VMs you will see the &#8220;disk shares used&#8221; This reports in how many VMs this disk is attached.</p>
<p id="hFlXHtH" style="text-align: justify;"><img loading="lazy" decoding="async" width="775" height="462" class="alignnone size-full wp-image-3360 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e87bb47c48ce.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e87bb47c48ce.png 775w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e87bb47c48ce-300x179.png 300w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e87bb47c48ce-768x458.png 768w" sizes="auto, (max-width: 775px) 100vw, 775px" /></p>
<p style="text-align: justify;">Once the VMs are ready we can start the Failover Cluster process. We need to add both VMs to the Domain. Then go tot he Disk Management and bring the disks online, GTP on both servers. The next step is to enable the Failover Clustering feature on both VMs. This can be easily acomplished using the below command:</p>
<p style="text-align: justify;">Install-WindowsFeature -Name Failover-Clustering –IncludeManagementTools –ComputerName SDVM01<br />
Install-WindowsFeature -Name Failover-Clustering –IncludeManagementTools –ComputerName SDVM02</p>
<p style="text-align: justify;">Restart both VMs</p>
<p style="text-align: justify;">Lets start the Failover Cluster Wizard. Select both Azure VMs and validate with running all tests.</p>
<p id="fSXkzSq" style="text-align: justify;"><img loading="lazy" decoding="async" width="669" height="152" class="alignnone size-full wp-image-3362 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e884c32866ec.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e884c32866ec.png 669w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e884c32866ec-300x68.png 300w" sizes="auto, (max-width: 669px) 100vw, 669px" /></p>
<p id="WhPnAgZ" style="text-align: justify;"><img loading="lazy" decoding="async" width="547" height="112" class="alignnone size-full wp-image-3363 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e884c4f95eff.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e884c4f95eff.png 547w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e884c4f95eff-300x61.png 300w" sizes="auto, (max-width: 547px) 100vw, 547px" /></p>
<p style="text-align: justify;">The report should have sucess to all Storage Related Stuff. Only the Cluster IP will fail, since it cannot allocate an Azure IP.</p>
<p id="SMrPWah" style="text-align: justify;"><img loading="lazy" decoding="async" width="864" height="557" class="alignnone size-full wp-image-3364 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e884dec86cc7.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e884dec86cc7.png 864w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e884dec86cc7-300x193.png 300w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e884dec86cc7-768x495.png 768w" sizes="auto, (max-width: 864px) 100vw, 864px" /></p>
<p id="kbDhzfM" style="text-align: justify;">So we will not create the Cluster uning the GUI wizard. We will create the cluster unsing the new-cluster command to spesify the cluter IP. But first lets create the Cluster IP Load Balancer.</p>
<p style="text-align: justify;">To enable the Cluster IP we need to create an Internal <strong>StandardLoad</strong> Balancer with Static IP. Add both VMs to the Backend pool of the load balancer.</p>
<p id="vvzgaRU" style="text-align: justify;"><img loading="lazy" decoding="async" width="1262" height="154" class="alignnone size-full wp-image-3388 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e887c9ea3982.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e887c9ea3982.png 1262w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e887c9ea3982-300x37.png 300w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e887c9ea3982-1024x125.png 1024w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e887c9ea3982-768x94.png 768w" sizes="auto, (max-width: 1262px) 100vw, 1262px" /></p>
<p style="text-align: justify;">And Run this command to one of the two VMs:</p>
<pre class="EnlighterJSRAW" data-enlighter-language="null">New-Cluster -Name cluster1 -Node SDVM01,SDVM02  -StaticAddress 192.168.0.10</pre>
<p style="text-align: justify;">The cluster is ready and we can now we can add the Disk to the Cluster</p>
<p id="ERZwxVD" style="text-align: justify;"><img loading="lazy" decoding="async" width="499" height="204" class="alignnone size-full wp-image-3373 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e885cc7db4ef.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e885cc7db4ef.png 499w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e885cc7db4ef-300x123.png 300w" sizes="auto, (max-width: 499px) 100vw, 499px" /></p>
<p style="text-align: justify;">righ click at the Cluster Disk 1 and select &#8220;Add to cluster shared volumes&#8221;</p>
<p id="ZdNipPt" style="text-align: justify;"><img loading="lazy" decoding="async" width="553" height="163" class="alignnone size-full wp-image-3371 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e885af30db17.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e885af30db17.png 553w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e885af30db17-300x88.png 300w" sizes="auto, (max-width: 553px) 100vw, 553px" /></p>
<p style="text-align: justify;">Wait untill the disk is online</p>
<p id="QNgGhJy" style="text-align: justify;"><img loading="lazy" decoding="async" width="564" height="119" class="alignnone size-full wp-image-3374 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e885cf948fa1.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e885cf948fa1.png 564w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e885cf948fa1-300x63.png 300w" sizes="auto, (max-width: 564px) 100vw, 564px" />&#8216;</p>
<p style="text-align: justify;">and check the C:\ClusterStorage path for the &#8220;Volume1&#8221; link.</p>
<p id="NQPOVug" style="text-align: justify;"><img loading="lazy" decoding="async" width="365" height="129" class="alignnone size-full wp-image-3390 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e88800cadbdf.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e88800cadbdf.png 365w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e88800cadbdf-300x106.png 300w" sizes="auto, (max-width: 365px) 100vw, 365px" /></p>
<p style="text-align: justify;">open the Volume1 and create a file, just to cehck that it is working</p>
<p id="xUUryCo" style="text-align: justify;"><img loading="lazy" decoding="async" width="463" height="126" class="alignnone size-full wp-image-3376 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e885d3374d9b.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e885d3374d9b.png 463w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e885d3374d9b-300x82.png 300w" sizes="auto, (max-width: 463px) 100vw, 463px" /></p>
<p style="text-align: justify;">To have a more stable cluster, add a Quorum. At the cluster name, right click and select More Actions / Configure Quorum settings.</p>
<p id="YDVtouJ" style="text-align: justify;"><img loading="lazy" decoding="async" width="499" height="103" class="alignnone size-full wp-image-3377 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e886a521ce3a.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e886a521ce3a.png 499w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e886a521ce3a-300x62.png 300w" sizes="auto, (max-width: 499px) 100vw, 499px" /></p>
<p style="text-align: justify;">Since we are on Azure we will configure an Azure Storage account for quorum. Select the &#8220;Advanced Configuration&#8221;</p>
<p id="rBZxQik" style="text-align: justify;"><img loading="lazy" decoding="async" width="636" height="225" class="alignnone size-full wp-image-3378 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e886a703ea41.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e886a703ea41.png 636w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e886a703ea41-300x106.png 300w" sizes="auto, (max-width: 636px) 100vw, 636px" /></p>
<p style="text-align: justify;">and select the &#8220;Configure CLoud Witness&#8221;.</p>
<p id="CzrXsZi" style="text-align: justify;"><img loading="lazy" decoding="async" width="436" height="139" class="alignnone size-full wp-image-3379 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e886a7e6e9b5.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e886a7e6e9b5.png 436w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e886a7e6e9b5-300x96.png 300w" sizes="auto, (max-width: 436px) 100vw, 436px" /></p>
<p style="text-align: justify;">Create an Azure Storage Account</p>
<p id="Fjcmskw" style="text-align: justify;"><img loading="lazy" decoding="async" width="744" height="241" class="alignnone size-full wp-image-3380 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e886ab60d894.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e886ab60d894.png 744w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e886ab60d894-300x97.png 300w" sizes="auto, (max-width: 744px) 100vw, 744px" /></p>
<p style="text-align: justify;">add the Storage Account to the Virtual Network of the VMs, to secure it</p>
<p id="MYjDUaw" style="text-align: justify;"><img loading="lazy" decoding="async" width="776" height="331" class="alignnone size-full wp-image-3381 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e886ac84f241.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e886ac84f241.png 776w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e886ac84f241-300x128.png 300w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e886ac84f241-768x328.png 768w" sizes="auto, (max-width: 776px) 100vw, 776px" /></p>
<p style="text-align: justify;">And once the Storage Account is ready, copy/paste the name and the Key to the Culster Quorum wizard.</p>
<p id="vtoanTs" style="text-align: justify;"><img loading="lazy" decoding="async" width="275" height="195" class="alignnone size-full wp-image-3383 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e886b5ab3d31.png" alt="" /></p>
<p style="text-align: justify;">Now we have a full failover cluster</p>
<p id="YZSSBdA" style="text-align: justify;"><img loading="lazy" decoding="async" width="533" height="222" class="alignnone size-full wp-image-3391 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e88824015add.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e88824015add.png 533w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e88824015add-300x125.png 300w" sizes="auto, (max-width: 533px) 100vw, 533px" /></p>
<p style="text-align: justify;">Server 1:</p>
<p id="pUiZhrr" style="text-align: justify;"><img loading="lazy" decoding="async" width="510" height="276" class="alignnone size-full wp-image-3393 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e8882977a7f3.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e8882977a7f3.png 510w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e8882977a7f3-300x162.png 300w" sizes="auto, (max-width: 510px) 100vw, 510px" /></p>
<p style="text-align: justify;">Server 2:</p>
<p id="tRHOehs" style="text-align: justify;"><img loading="lazy" decoding="async" width="527" height="295" class="alignnone size-full wp-image-3392 " src="https://www.e-apostolidis.gr/wp-content/uploads/2020/04/img_5e88827ab8584.png" alt="" srcset="https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e88827ab8584.png 527w, https://www.cloudcorner.gr/wp-content/uploads/2020/04/img_5e88827ab8584-300x168.png 300w" sizes="auto, (max-width: 527px) 100vw, 527px" /></p>
<p>Now we can deploy SQL Server FCI, File Server, etc.. !!!!</p>
<p style="text-align: justify;">More info abuot the Shared Disk: <a href="https://docs.microsoft.com/en-us/azure/virtual-machines/windows/disks-shared-enable">https://docs.microsoft.com/en-us/azure/virtual-machines/windows/disks-shared-enable</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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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%2Fazure-failover-cluster-with-shared-disk-step-by-step%2F&#038;title=Azure%20Failover%20Cluster%20with%20Shared%20Disk%20%E2%80%93%20Step%20by%20Step" data-a2a-url="https://www.cloudcorner.gr/microsoft/azure/azure-failover-cluster-with-shared-disk-step-by-step/" data-a2a-title="Azure Failover Cluster with Shared Disk – Step by Step"><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/azure-failover-cluster-with-shared-disk-step-by-step/">Azure Failover Cluster with Shared Disk &#8211; Step by Step</a> appeared first on <a href="https://www.cloudcorner.gr">Apostolidis Cloud Corner</a>.</p>
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			<slash:comments>5</slash:comments>
		
		
			</item>
		<item>
		<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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