[gpfsug-discuss] "csm_resync_needed" after upgrading to GPFS v5.0.4-2

[Caubet Serrabou Marc (PSI)]

Hi,


just for the record, after restarting mmsysmoncontrol on all nodes looks like the errors disappeared and no longer appear (and it has been running for several hours already). No need to change usesharedlib, which I have it enabled (1) for RHEL systems.


Thanks a lot for your help,

Marc

_________________________________________________________
Paul Scherrer Institut
High Performance Computing & Emerging Technologies
Marc Caubet Serrabou
Building/Room: OHSA/014
Forschungsstrasse, 111
5232 Villigen PSI
Switzerland

Telephone: +41 56 310 46 67
E-Mail: marc.caubet at psi.ch
________________________________
From: gpfsug-discuss-bounces at spectrumscale.org <gpfsug-discuss-bounces at spectrumscale.org> on behalf of Dieter Mosbach <lists at esquad.de>
Sent: Monday, April 6, 2020 2:50:28 PM
To: gpfsug main discussion list
Subject: Re: [gpfsug-discuss] "csm_resync_needed" after upgrading to GPFS v5.0.4-2

Am 06.04.2020 um 13:20 schrieb Caubet Serrabou Marc (PSI):
> Hi all,
>
>
> after upgrading one of the clusters to GPFS v5.0.4-2 and setting "minReleaseLevel 5.0.4.0" I started to see random "csm_resync_needed" errors on some nodes. This can be easily cleared with "mmhealth node show --resync", however after some minutes the error re-appears.
>
> Apparently, no errors in the log files and no apparent problems other than the "csm_resync_needed" error.
>
>
> Before opening a support case, any hints about what could be the reason of that and whether I should worry about it? I would like to clarify what's going on before upgrading the main cluster.

This seems to be a bug in v5, open a support case.

We had to check:

mmdsh -N [AIXNode1,AIXNode2,AIXNode3] "grep usesharedlib /var/mmfs/mmsysmon/mmsysmonitor.conf"

and to change:

mmdsh -N [AIXNode1,AIXNode2,AIXNode3] "sed -i 's/usesharedlib = 1/usesharedlib = 0/g' /var/mmfs/mmsysmon/mmsysmonitor.conf"

mmdsh -N [AIXNode1,AIXNode2,AIXNode3] "mmsysmoncontrol restart"

Regards,
Dieter

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