[gpfsug-discuss] Callbacks / softQuotaExceeded

[Bryan Banister]

Hi Simon,

It will only trigger the callback on the currently appointed File System Manager, so you need to make sure your callback scripts are installed on all nodes that can occupy this role.

HTH,
-Bryan

From: gpfsug-discuss-bounces at spectrumscale.org [mailto:gpfsug-discuss-bounces at spectrumscale.org] On Behalf Of Simon Thompson (IT Research Support)
Sent: Monday, November 06, 2017 3:00 PM
To: scale at us.ibm.com; gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
Subject: Re: [gpfsug-discuss] Callbacks / softQuotaExceeded

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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>
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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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