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<p class="MsoNormal"><span style="font-size:11.0pt">If you are wanting seamless: Create a new pool in your existing file system, a new placement policy, and a use a movement policy to move the old data between the pools. The new placement policy will ensure
new data is only written to the new location. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Then when the old GL2 pool is empty you can remove it/offline it/whatever.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Ed Wahl<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Ohio Supercomputer Center<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;mso-ligatures:none">From:</span></b><span style="font-size:11.0pt;mso-ligatures:none"> gpfsug-discuss <gpfsug-discuss-bounces@gpfsug.org>
<b>On Behalf Of </b>Walter Sklenka<br>
<b>Sent:</b> Thursday, June 13, 2024 3:37 AM<br>
<b>To:</b> gpfsug-discuss@gpfsug.org<br>
<b>Subject:</b> Re: [gpfsug-discuss] ESS GL2 data to new ESS3500<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-line-height-alt:.75pt"><span style="font-size:1.0pt;color:white">Hi ! We want to migrate data from an old ESS GL2 ( 5. 0. 5 ) to ESS3500 solution. (5. 1. x) I wanted to ask is there any way to migrate the data with gpfs methods?
We heard that you cannot create a rg on an ess3500 when it´s nodes become member
<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="DE-AT" style="font-size:11.0pt">Hi !<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">We want to migrate data from an old ESS GL2 ( 5.0.5 ) to ESS3500 solution. (5.1.x)
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I wanted to ask is there any way to migrate the data with gpfs methods?
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">We heard that you cannot create a rg on an ess3500 when it´s nodes become member of the old cluster because of GNR Version mismatch<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I thought I can create new rg on ess3500 , create vdisksets and nsds , then add the disks to a filesystem based on vdisks of old rgs
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I there really no way to transfer with gpfs methods? (like mmadddisk (new vdisks(nsds) of 3500 , and then mmdeldisk the old nsds(vdisks)
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">So if you run into this situation you have to create a new cluster?
<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="DE-AT" style="font-family:"Arial",sans-serif;color:black;mso-ligatures:none;mso-fareast-language:DE-AT">Mit freundlichen Grüßen<br>
<b><i>Walter Sklenka</i></b><br>
</span><b><i><span lang="DE-AT" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:gray;mso-ligatures:none;mso-fareast-language:DE-AT">Technical Consultant</span></i></b><span lang="DE-AT" style="font-size:11.0pt;color:black;mso-ligatures:none;mso-fareast-language:DE-AT">
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