<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div><span></span></div><div>We use a dependent fileset for each research group / investigator. We do this mainly so we can apply fileset quotas. We tried independent filesets but they were quite inconvenient:</div><div>1) limited number independent filesets could be created compared to dependent</div><div>2) requirement to manage number of inodes allocated to each and every independent fileset</div><div><br></div><div>There may have been other issues but we create a new dependent fileset whenever a new researcher joins our cluster. <br><div id="AppleMailSignature"> -- ddj<div>Dave Johnson</div></div><div><br>On Apr 25, 2018, at 5:42 AM, Daniel Kidger <<a href="mailto:daniel.kidger@uk.ibm.com">daniel.kidger@uk.ibm.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial, Helvetica, sans-serif;font-size:10.5pt"><div dir="ltr">It would though be a nice to have feature: to leave the file data where it was and just move the metadata into its own inode space?</div>
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<div dir="ltr">A related question though:</div>
<div dir="ltr">In what case do people create new *dependant* filesets ? I can't see many cases where an independent fileset would be just as valid.</div>
<div dir="ltr"><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial, Helvetica, sans-serif;font-size:10.5pt"><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial, Helvetica, sans-serif;font-size:10.5pt"><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial, Helvetica, sans-serif;font-size:10.5pt"><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial;font-size:10.5pt"><div class="socmaildefaultfont" dir="ltr" style="font-family:Arial;font-size:10.5pt"><div class="socmaildefaultfont" dir="ltr" style="font-family: Arial; font-size: 10.5pt;"><div class="socmaildefaultfont" dir="ltr" style="font-family: Arial; font-size: 10.5pt;"><div class="socmaildefaultfont" dir="ltr" style="font-family: Arial; font-size: 10.5pt;"><div class="socmaildefaultfont" dir="ltr" style="font-family: Arial; font-size: 10.5pt;"><div class="socmaildefaultfont" dir="ltr" style="font-family: Arial; font-size: 10.5pt;"><div class="socmaildefaultfont" dir="ltr" style="font-family: Arial; font-size: 10.5pt;"><div dir="ltr" style="margin-top: 20px;"><div style="font-family: sans-serif; font-size: 8pt; margin-top: 10px;"><div style="margin-bottom:0cm;margin-bottom:.0001pt;line-height:normal;"><span style="font-size:1.286em;"><span style="font-family: Verdana,Geneva,sans-serif;">Daniel</span></span></div>
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<table cellspacing="0" cellpadding="0" align="left" border="0"> <tbody> <tr> <td style="width: 130px; padding: 0cm;"> <div style="margin-bottom:0cm;margin-bottom:.0001pt;line-height:normal;"><a href="https://www.youracclaim.com/user/danel-kidger" target="_blank"><img alt="IBM Storage Professional Badge" src="cid:" style="width: 120px; height: 120px; float: left;"></a></div> </td> <td style="width: 140px; padding: 0cm;"><a href="https://www.youracclaim.com/user/danel-kidger"><img alt="" src="https://www.ibm.com/volunteers/images/resources/IBM_Volunteers_Silver_v6.png" style="width: 120px; height: 120px;"></a></td> <td style="width: 0px; padding: 0cm;"> </td> <td style="width: 0px; padding: 0cm;"> </td> <td style="width: 0px; padding: 0cm;"> </td> <td style="width: 240px; padding: 0cm;"> <div style="margin-bottom:0cm;margin-bottom:.0001pt;line-height:normal;"><strong><span style="font-family:Arial, Helvetica, sans-serif"><span style="font-size:10.0pt;">Dr Daniel Kidger</span></span></strong><br> <span style="font-family:Arial, Helvetica, sans-serif"><span style="font-size:7.5pt;">IBM Technical Sales Specialist<br> Software Defined Solution Sales<br> <br> +</span></span><span style="color:#5F5F5F;"><span style="font-family:Verdana, Geneva, sans-serif"><span style="font-size:10.0pt;">44-(0)7818 522 266 </span></span></span><br> <span style="color:#5F5F5F;"><span style="font-family:Arial, Helvetica, sans-serif"><span style="font-size:8.0pt;"><a href="mailto:daniel.kidger@uk.ibm.com">daniel.kidger@uk.ibm.com</a></span></span></span></div> </td> </tr> </tbody></table><font face="Default Sans Serif,Verdana,Arial,Helvetica,sans-serif" size="2"> </font></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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<blockquote data-history-content-modified="1" dir="ltr" style="border-left:solid #aaaaaa 2px; margin-left:5px; padding-left:5px; direction:ltr; margin-right:0px">----- Original message -----<br>From: "Sobey, Richard A" <<a href="mailto:r.sobey@imperial.ac.uk">r.sobey@imperial.ac.uk</a>><br>Sent by: <a href="mailto:gpfsug-discuss-bounces@spectrumscale.org">gpfsug-discuss-bounces@spectrumscale.org</a><br>To: gpfsug main discussion list <<a href="mailto:gpfsug-discuss@spectrumscale.org">gpfsug-discuss@spectrumscale.org</a>><br>Cc:<br>Subject: Re: [gpfsug-discuss] Converting a dependent fileset to independent<br>Date: Wed, Apr 25, 2018 10:01 AM<br> <br><!--Notes ACF
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<div><p><span style="mso-fareast-language:EN-US">Hi Marc<o:p></o:p></span></p>
<p><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p><span style="mso-fareast-language:EN-US">Yes, copying the data to a freshly created fileset and unlinking/renaming/relinking is our solution; it was always a long shot expecting to be able to convert it </span><span style="font-family:"Segoe UI Emoji",sans-serif;mso-fareast-language:EN-US">\U0001f60a</span><span style="mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p><span style="mso-fareast-language:EN-US">Richard<o:p></o:p></span></p>
<p><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p><b><span lang="EN-US">From:</span></b><span lang="EN-US"> <a href="mailto:gpfsug-discuss-bounces@spectrumscale.org">gpfsug-discuss-bounces@spectrumscale.org</a> <<a href="mailto:gpfsug-discuss-bounces@spectrumscale.org">gpfsug-discuss-bounces@spectrumscale.org</a>> <b>On Behalf Of </b>Marc A Kaplan<br><b>Sent:</b> 24 April 2018 13:49<br><b>To:</b> gpfsug main discussion list <<a href="mailto:gpfsug-discuss@spectrumscale.org">gpfsug-discuss@spectrumscale.org</a>><br><b>Subject:</b> Re: [gpfsug-discuss] Converting a dependent fileset to independent<o:p></o:p></span></p>
<p><o:p> </o:p></p>
<p><span style="font-size:10.0pt;font-family:"Arial",sans-serif">To help make sense of this, one has to understand that "independent" means a different range of inode numbers.</span><br><br><span style="font-size:10.0pt;font-family:"Arial",sans-serif">If you have a set of files within one range of inode numbers, say 3000-5000 and now you want to move some of them to a new range of inode numbers, say 7000-8000, you're going to have to create that new range as a new independent fileset, and then move (copy!) the files to the new fileset. And then rename directories so that you can once again refer to the files by the pathnames that they "used to" have.</span><br><br><span style="font-size:10.0pt;font-family:"Arial",sans-serif">During the copying and renaming, you would have to make sure there are no applications trying to access those files and directories.</span><br><br><br><br><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#5F5F5F">From: </span><span style="font-size:7.5pt;font-family:"Arial",sans-serif">"Sobey, Richard A" <<a href="mailto:r.sobey@imperial.ac.uk" target="_blank">r.sobey@imperial.ac.uk</a>></span><br><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#5F5F5F">To: </span><span style="font-size:7.5pt;font-family:"Arial",sans-serif">"'<a href="mailto:gpfsug-discuss@spectrumscale.org">gpfsug-discuss@spectrumscale.org</a>'" <<a href="mailto:gpfsug-discuss@spectrumscale.org" target="_blank">gpfsug-discuss@spectrumscale.org</a>></span><br><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#5F5F5F">Date: </span><span style="font-size:7.5pt;font-family:"Arial",sans-serif">04/24/2018 05:20 AM</span><br><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#5F5F5F">Subject: </span><span style="font-size:7.5pt;font-family:"Arial",sans-serif">[gpfsug-discuss] Converting a dependent fileset to independent</span><br><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#5F5F5F">Sent by: </span><span style="font-size:7.5pt;font-family:"Arial",sans-serif"><a href="mailto:gpfsug-discuss-bounces@spectrumscale.org" target="_blank">gpfsug-discuss-bounces@spectrumscale.org</a></span><o:p></o:p></p>
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<p style="margin-bottom:12.0pt"><br><br><br><span style="font-size:10.0pt">Hi all,</span><br><span style="font-size:10.0pt"> </span><br><span style="font-size:10.0pt">Is there any way, without starting over, to convert a dependent fileset to independent?</span><br><span style="font-size:10.0pt"> </span><br><span style="font-size:10.0pt">My gut says no but in the spirit of not making unnecessary work I wanted to ask.</span><br><span style="font-size:10.0pt"> </span><br><span style="font-size:10.0pt">Also, the documentation states that I should see a \u201cdpnd\u201d next to a dependent fileset when I run mmlsfileset with -L; this is not the case even though the parent fileset is root in this case.</span><br><span style="font-size:10.0pt"> </span><br><span style="font-size:10.0pt;font-family:"Courier New"">[root@nsd bin]# mmlsfileset gpfs studentrecruitmentandoutreach -L</span><br><span style="font-size:10.0pt;font-family:"Courier New"">Filesets in file system 'gpfs':</span><br><span style="font-size:10.0pt;font-family:"Courier New"">Name Id RootInode ParentId Created InodeSpace MaxInodes AllocInodes Comment</span><br><span style="font-size:10.0pt;font-family:"Courier New"">studentrecruitmentandoutreach 241 8700824 0 Wed Feb 14 14:25:49 2018 0 0 0</span><br><span style="font-size:10.0pt"> </span><br><span style="font-size:10.0pt">Thanks</span><br><span style="font-size:10.0pt">Richard</span><tt><span style="font-size:10.0pt">_______________________________________________</span></tt><br><span style="font-size:10.0pt;font-family:"Courier New""><tt>gpfsug-discuss mailing list</tt><br><tt>gpfsug-discuss at <a href="http://spectrumscale.org">spectrumscale.org</a></tt></span><br><a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__gpfsug.org_mailman_listinfo_gpfsug-2Ddiscuss&d=DwICAg&c=jf_iaSHvJObTbx-siA1ZOg&r=cvpnBBH0j41aQy0RPiG2xRL_M8mTc1izuQD3_PmtjZ8&m=W9WH1n93tRRhW5npPGd73Dqgcp4d0oAYKt4yOI02PWU&s=MnsN-hjjhZirIDfK1k-awRB9hodsX2Ylh1Z1IzoJij0&e=" target="_blank"><tt><span style="font-size:10.0pt">https://urldefense.proofpoint.com/v2/url?u=http-3A__gpfsug.org_mailman_listinfo_gpfsug-2Ddiscuss&d=DwICAg&c=jf_iaSHvJObTbx-siA1ZOg&r=cvpnBBH0j41aQy0RPiG2xRL_M8mTc1izuQD3_PmtjZ8&m=W9WH1n93tRRhW5npPGd73Dqgcp4d0oAYKt4yOI02PWU&s=MnsN-hjjhZirIDfK1k-awRB9hodsX2Ylh1Z1IzoJij0&e=</span></tt></a><br><br><br><o:p></o:p></p></div>
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