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    <title>topic Re: vSphere Datastore Sizing in vSphere Upgrade &amp; Install Discussions</title>
    <link>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823889#M7614</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;I am currently running a 4 ESX server setup with 40 servers.&amp;nbsp; There harddrives differ in size but it was recommended to me when setting them up to create volumes around 250GBs for best performance.&amp;nbsp; We are using an Equallogic PS6500 SAN and we have not had any issues running that setup.&amp;nbsp; Hope this helps.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Thu, 27 Jan 2011 16:08:33 GMT</pubDate>
    <dc:creator>ProPenguin</dc:creator>
    <dc:date>2011-01-27T16:08:33Z</dc:date>
    <item>
      <title>vSphere Datastore Sizing</title>
      <link>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823888#M7613</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;I have 6 ESX servers that will be hosting 60 Windows Servers 2008 VMs&lt;/P&gt;&lt;P&gt;The average VM or VMDK size is 100GB (1 disk per vm)...&amp;nbsp; What is the suggested best practice size for my datastores?&lt;/P&gt;&lt;P&gt;I am using iSCSI and Dell Equallogic PS6000 arrays.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 27 Jan 2011 16:05:46 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823888#M7613</guid>
      <dc:creator>ITTech2002</dc:creator>
      <dc:date>2011-01-27T16:05:46Z</dc:date>
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    <item>
      <title>Re: vSphere Datastore Sizing</title>
      <link>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823889#M7614</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;I am currently running a 4 ESX server setup with 40 servers.&amp;nbsp; There harddrives differ in size but it was recommended to me when setting them up to create volumes around 250GBs for best performance.&amp;nbsp; We are using an Equallogic PS6500 SAN and we have not had any issues running that setup.&amp;nbsp; Hope this helps.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 27 Jan 2011 16:08:33 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823889#M7614</guid>
      <dc:creator>ProPenguin</dc:creator>
      <dc:date>2011-01-27T16:08:33Z</dc:date>
    </item>
    <item>
      <title>Re: vSphere Datastore Sizing</title>
      <link>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823890#M7615</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;One last piece of advise, if you decide to create volumes larger than 250GBs, do not create one anywhere close to 2TBs.&amp;nbsp; If you do it will not show up.&amp;nbsp; ESX does not support a volume that big.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 27 Jan 2011 16:10:32 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823890#M7615</guid>
      <dc:creator>ProPenguin</dc:creator>
      <dc:date>2011-01-27T16:10:32Z</dc:date>
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    <item>
      <title>Re: vSphere Datastore Sizing</title>
      <link>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823891#M7616</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Aloha,&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I heard and followed the same advice. No problems.. A while ago I heard that since ESX 4.x iSCSI driver is more efficient, you can feel comfortable using larger LUNS. Is this fact or fiction??&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Thu, 27 Jan 2011 19:47:07 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823891#M7616</guid>
      <dc:creator>Kahonu</dc:creator>
      <dc:date>2011-01-27T19:47:07Z</dc:date>
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    <item>
      <title>Re: vSphere Datastore Sizing</title>
      <link>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823892#M7617</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi,&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I have always deployed LUNs just under the 2TB limit. I cannot imagine any reason not to. &lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 28 Jan 2011 00:45:50 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823892#M7617</guid>
      <dc:creator>Josh26</dc:creator>
      <dc:date>2011-01-28T00:45:50Z</dc:date>
    </item>
    <item>
      <title>Re: vSphere Datastore Sizing</title>
      <link>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823893#M7618</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt; would create a LUN of 600-800GB per LUN. this would ensure that the IOPS are well balanced. DO remember to enable VAAI that woud make the things faster.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;A class="jive-link-external-small" href="http://kb.vmware.com/kb/1021976"&gt;http://kb.vmware.com/kb/1021976&lt;/A&gt;&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 28 Jan 2011 00:51:41 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823893#M7618</guid>
      <dc:creator>idle-jam</dc:creator>
      <dc:date>2011-01-28T00:51:41Z</dc:date>
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    <item>
      <title>Re: vSphere Datastore Sizing</title>
      <link>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823894#M7619</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;See also: &lt;A _jive_internal="true" href="https://communities.vmware.com/docs/DOC-10990"&gt;http://communities.vmware.com/docs/DOC-10990&lt;/A&gt; &lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Sun, 30 Jan 2011 16:52:29 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823894#M7619</guid>
      <dc:creator>AndreTheGiant</dc:creator>
      <dc:date>2011-01-30T16:52:29Z</dc:date>
    </item>
    <item>
      <title>Re: vSphere Datastore Sizing</title>
      <link>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823895#M7620</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;It used to be the recommended size for datastores should not exceed 500GB, however with the latest versions of ESX/ESXi that's not really true anymore.&lt;/P&gt;&lt;P&gt;Datastores 1TB or larger are quite common now and perfectly accepted by VMware.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I tend to make mine between 500GB and 1TB just for management purposes.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 31 Jan 2011 15:26:32 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823895#M7620</guid>
      <dc:creator>Cyberfed27</dc:creator>
      <dc:date>2011-01-31T15:26:32Z</dc:date>
    </item>
    <item>
      <title>Re: vSphere Datastore Sizing</title>
      <link>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823896#M7621</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Last I checked the Max size for a VMFS partision is 2TB - 512Kb&lt;/P&gt;&lt;P&gt;This pertains to ESX 4.1 and this limit will soon change with version 5.0&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 06 Jun 2011 13:56:47 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823896#M7621</guid>
      <dc:creator>ITTech2002</dc:creator>
      <dc:date>2011-06-06T13:56:47Z</dc:date>
    </item>
    <item>
      <title>Re: vSphere Datastore Sizing</title>
      <link>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823897#M7622</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;The volume capacity of a LUN and IOPs available for that LUN/datastore are too separate things, but you bring up a great point.&amp;nbsp; &lt;/P&gt;&lt;P&gt;Sizing the LUN smaller and allocating less VMs per datastore may reduce the IOPs required per datastore, but it does NOT ensure the datastore has the required the IOPs.&amp;nbsp; Look at 3PAR, Compellent, and EqualLogic for more details about block level storage.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 06 Jun 2011 14:09:55 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/vSphere-Upgrade-Install/vSphere-Datastore-Sizing/m-p/823897#M7622</guid>
      <dc:creator>ITTech2002</dc:creator>
      <dc:date>2011-06-06T14:09:55Z</dc:date>
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