[gpfsug-discuss] SS 5.0.x and quota issues

Cregan, Bob b.cregan at imperial.ac.uk
Mon May 18 13:59:09 BST 2020


Hi,
      At Imperial we  have been experiencing an issue with SS 5.0.x and quotas. The main symptom is a slow decay in the accuracy of reported quota usage when compared to the actual usage as reported by "du". This discrepancy can be as little as a few percent and as much as many  X100% . We also sometimes see bizarre effects such negative file number counts being reported.

We have been working with IBM  and have put in the latest 5.0.4-4 (that has a fix for mmcheckquota) that we have been pinning our hopes on, but this has not worked.

Is anyone else experiencing similar issues? We need to try and get an idea if this is an issue peculiar to our set up or a more general SS problem.

We are using user and group quotas in a fileset context.

Thanks


Bob Cregan
HPC Systems Analyst

Information & Communication Technologies

Imperial College London,
South Kensington Campus London, SW7 2AZ
T: 07712388129
E: b.cregan at imperial.ac.uk

W: www.imperial.ac.uk/ict/rcs<http://www.imperial.ac.uk/ict/rcs>

[1505984389175_twitter.png] @imperialRCS @imperialRSE

[1505983882959_Imperial-RCS.png]

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