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--></style></head><body lang="EN-GB" link="blue" vlink="purple">However replicated files should show up with ls as taking about double the space.<br>
<br>
I.e. "ls -lash"<br>
<br>
49G -r--------    1 root   root   25G Sep 12 21:11 Somefile<br>
<br>
I know you've said you checked ls vs du for allocated space it might be worth a double check.<br>
<br>
Also check that you haven't got a load of snapshots, especially if you have high file churn which will create new blocks; although with your figures it'd have to be very high file churn.  <br>
<br>
-- Lauz<br><br><div class="gmail_quote">On 12 September 2016 21:26:51 BST, "Sobey, Richard A" <r.sobey@imperial.ac.uk> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">




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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">My thoughts exactly.<p></p></span></b></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Richard<p></p></span></b></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> gpfsug-discuss-bounces@spectrumscale.org [mailto:gpfsug-discuss-bounces@spectrumscale.org]
<b>On Behalf Of </b>Buterbaugh, Kevin L<br />
<b>Sent:</b> 12 September 2016 20:08<br />
<b>To:</b> gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><br />
<b>Subject:</b> Re: [gpfsug-discuss] big difference between output of 'mmlsquota' and 'du'?<p></p></span></p>
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<p class="MsoNormal">Hi Alex, </p><p></p>
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<p class="MsoNormal">While the numbers don’t match exactly, they’re close enough to prompt me to ask if data replication is possibly set to two?  Thanks…</p><p></p>
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<p class="MsoNormal">Kevin</p><p></p>
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<p class="MsoNormal">On Sep 12, 2016, at 2:03 PM, Alex Chekholko <<a href="mailto:chekh@stanford.edu">chekh@stanford.edu</a>> wrote:</p><p></p>
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<p class="MsoNormal">Hi,<br />
<br />
For a fileset with a quota on it, we have mmlsquota reporting 39TB utilization (out of 50TB quota), with 0 in_doubt.<br />
<br />
Running a 'du' on the same directory (where the fileset is junctioned) shows 21TB usage.<br />
<br />
I looked for sparse files (files that report different size via ls vs du).  I looked at 'du --apparent-size ...'<br />
<br />
<a href="https://en.wikipedia.org/wiki/Sparse_file">https://en.wikipedia.org/wiki/Sparse_file</a><br />
<br />
What else could it be?<br />
<br />
Is there some attribute I can scan for inside GPFS?<br />
Maybe where FILE_SIZE does not equal KB_ALLOCATED?<br />
<a href="https://www.ibm.com/support/knowledgecenter/STXKQY_4.2.0/com.ibm.spectrum.scale.v4r2.adv.doc/bl1adv_usngfileattrbts.htm">https://www.ibm.com/support/knowledgecenter/STXKQY_4.2.0/com.ibm.spectrum.scale.v4r2.adv.doc/bl1adv_usngfileattrbts.htm</a><br />
<br />
<br />
[root@scg-gs0 ~]# du -sm --apparent-size /srv/gsfs0/projects/gbsc/*<br />
3977<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/Backups<br />
1<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/benchmark<br />
13109<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/Billing<br />
198719<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/Clinical<br />
1<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/Clinical_Vendors<br />
1206523<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/Data<br />
1<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/iPoP<br />
123165<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/Macrogen<br />
58676<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/Misc<br />
6625890<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/mva<br />
1<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/Proj<br />
17<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/Projects<br />
3290502<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/Resources<br />
1<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/SeqCenter<br />
1<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/share<br />
514041<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/SNAP_Scoring<br />
1<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/TCGA_Variants<br />
267873<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/tools<br />
9597797<span class="apple-tab-span"> </span>/srv/gsfs0/projects/gbsc/workspace<br />
<br />
(adds up to about 21TB)<br />
<br />
[root@scg-gs0 ~]# mmlsquota -j projects.gbsc --block-size=G gsfs0<br />
                        Block Limits  |     File Limits<br />
Filesystem type             GB      quota      limit   in_doubt    grace |    files   quota    limit in_doubt    grace  Remarks<br />
gsfs0      FILESET       39889      51200      51200          0     none |  1663212       0        0        4     none<br />
<br />
<br />
[root@scg-gs0 ~]# mmlsfileset gsfs0 |grep gbsc<br />
projects.gbsc            Linked    /srv/gsfs0/projects/gbsc<br />
<br />
Regards,<br />
-- <br />
Alex Chekholko <a href="mailto:chekh@stanford.edu">chekh@stanford.edu</a><br />
<br />
_______________________________________________<br />
gpfsug-discuss mailing list<br />
gpfsug-discuss at spectrumscale.org<br />
<a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</a></p><p></p>
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<p class="MsoNormal">—</p><p></p>
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<p class="MsoNormal">Kevin Buterbaugh - Senior System Administrator</p><p></p>
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<p class="MsoNormal">Vanderbilt University - Advanced Computing Center for Research and Education</p><p></p>
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<p class="MsoNormal"><a href="mailto:Kevin.Buterbaugh@vanderbilt.edu">Kevin.Buterbaugh@vanderbilt.edu</a> - (615)875-9633</p><p></p>
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<p style="margin-top: 2.5em; margin-bottom: 1em; border-bottom: 1px solid #000"></p><pre class="k9mail"><hr /><br />gpfsug-discuss mailing list<br />gpfsug-discuss at <a href="http://spectrumscale.org">spectrumscale.org</a><br /><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</a><br /></pre></blockquote></div><br>
-- <br>
Sent from my Android device with K-9 Mail. Please excuse my brevity.</body></html>