[gpfsug-discuss] Callbacks / softQuotaExceeded

[Simon Thompson (IT Research Support)]

Thanks Eric,

One other question, when it says it must run on a manager node, I'm assuming that means a manager node in a storage cluster (we multi-cluster clients clusters in).

Thanks

Simon

From: Eric Agar <agar at us.ibm.com<mailto:agar at us.ibm.com>> on behalf of "scale at us.ibm.com<mailto:scale at us.ibm.com>" <scale at us.ibm.com<mailto:scale at us.ibm.com>>
Date: Monday, 6 November 2017 at 19:51
To: "gpfsug-discuss at spectrumscale.org<mailto:gpfsug-discuss at spectrumscale.org>" <gpfsug-discuss at spectrumscale.org<mailto:gpfsug-discuss at spectrumscale.org>>, Simon Thompson <S.J.Thompson at bham.ac.uk<mailto:S.J.Thompson at bham.ac.uk>>
Cc: IBM Spectrum Scale <scale at us.ibm.com<mailto:scale at us.ibm.com>>
Subject: Re: [gpfsug-discuss] Callbacks / softQuotaExceeded

Simon,

Based on my reading of the code, when a softQuotaExceeded event callback is invoked with %quotaType having the value "FILESET", the following arguments correspond with each other for filesetLimitExceeded and softQuotaExceeded:

- filesetLimitExceeded %inodeUsage  and softQuotaExceeded  %filesUsage
- filesetLimitExceeded %inodeQuota  and softQuotaExceeded  %filesQuota
- filesetLimitExceeded %inodeLimit  and softQuotaExceeded  %filesLimit
- filesetLimitExceeded %filesetSize and softQuotaExceeded  %blockUsage
- filesetLimitExceeded %softLimit   and softQuotaExceeded  %blockQuota
- filesetLimitExceeded %hardLimit   and softQuotaExceeded  %blockLimit

So, terms have changed to make them a little friendlier and to generalize them.  An inode is a file.  Limits related to inodes and to blocks are being reported.

Regards, The Spectrum Scale (GPFS) team
Eric Agar

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From:        "Simon Thompson (IT Research Support)" <S.J.Thompson at bham.ac.uk<mailto:S.J.Thompson at bham.ac.uk>>
To:        "gpfsug-discuss at spectrumscale.org<mailto:gpfsug-discuss at spectrumscale.org>" <gpfsug-discuss at spectrumscale.org<mailto:gpfsug-discuss at spectrumscale.org>>
Date:        11/06/2017 09:17 AM
Subject:        [gpfsug-discuss] Callbacks / softQuotaExceeded
Sent by:        gpfsug-discuss-bounces at spectrumscale.org<mailto:gpfsug-discuss-bounces at spectrumscale.org>
________________________________



We were looking at adding some callbacks to notify us when file-sets go
over their inode limit by implementing it as a soft inode quota.

In the docs:
https://www.ibm.com/support/knowledgecenter/en/STXKQY_4.2.3/com.ibm.spectru
m.scale.v4r23.doc/bl1adm_mmaddcallback.htm#mmaddcallback__Table1


There is an event filesetLimitExceeded, which has parameters: %inodeUsage
%inodeQuota, however the docs say that we should instead use
softQuotaExceeded as filesetLimitExceeded "It exists only for
compatibility (and may be deleted in a future version); therefore, using
softQuotaExceeded is recommended instead"

However.

softQuotaExceeded seems to have no %inodeQuota of %inodeUsage parameters.
Is this a doc error or is there genuinely no way to get the
inodeQuota/Usage with softQuotaExceeded? The same applies to passing
%quotaEventType.


Any suggestions?

Simon

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