Hi,

For a fileset with a quota on it, we have mmlsquota reporting 39TB utilization (out of 50TB quota), with 0 in_doubt.

Running a 'du' on the same directory (where the fileset is junctioned) shows 21TB usage.

I looked for sparse files (files that report different size via ls vs du). I looked at 'du --apparent-size ...'

https://en.wikipedia.org/wiki/Sparse_file

What else could it be?

Is there some attribute I can scan for inside GPFS?
Maybe where FILE_SIZE does not equal KB_ALLOCATED?
https://www.ibm.com/support/knowledgecenter/STXKQY_4.2.0/com.ibm.spectrum.scale.v4r2.adv.doc/bl1adv_usngfileattrbts.htm


[root@scg-gs0 ~]# du -sm --apparent-size /srv/gsfs0/projects/gbsc/*
3977    /srv/gsfs0/projects/gbsc/Backups
1       /srv/gsfs0/projects/gbsc/benchmark
13109   /srv/gsfs0/projects/gbsc/Billing
198719  /srv/gsfs0/projects/gbsc/Clinical
1       /srv/gsfs0/projects/gbsc/Clinical_Vendors
1206523 /srv/gsfs0/projects/gbsc/Data
1       /srv/gsfs0/projects/gbsc/iPoP
123165  /srv/gsfs0/projects/gbsc/Macrogen
58676   /srv/gsfs0/projects/gbsc/Misc
6625890 /srv/gsfs0/projects/gbsc/mva
1       /srv/gsfs0/projects/gbsc/Proj
17      /srv/gsfs0/projects/gbsc/Projects
3290502 /srv/gsfs0/projects/gbsc/Resources
1       /srv/gsfs0/projects/gbsc/SeqCenter
1       /srv/gsfs0/projects/gbsc/share
514041  /srv/gsfs0/projects/gbsc/SNAP_Scoring
1       /srv/gsfs0/projects/gbsc/TCGA_Variants
267873  /srv/gsfs0/projects/gbsc/tools
9597797 /srv/gsfs0/projects/gbsc/workspace

(adds up to about 21TB)

[root@scg-gs0 ~]# mmlsquota -j projects.gbsc --block-size=G gsfs0
Block Limits | File Limits Filesystem type GB quota limit in_doubt grace | files quota limit in_doubt grace Remarks gsfs0 FILESET 39889 51200 51200 0 none | 1663212 0 0 4 none


[root@scg-gs0 ~]# mmlsfileset gsfs0 |grep gbsc
projects.gbsc            Linked    /srv/gsfs0/projects/gbsc

Regards,
--
Alex Chekholko ch...@stanford.edu

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