[ClusterLabs] Pending Fencing Actions shown in pcs status
Reid Wahl
nwahl at redhat.com
Thu Jan 7 03:39:01 EST 2021
Hi, Steffen. Those attachments don't contain the CIB. They contain the `pcs
config` output. You can get the cib with `pcs cluster cib >
$(hostname).cib.xml`.
Granted, it's possible that this fence action information wouldn't be in
the CIB at all. It might be stored in fencer memory.
On Thu, Jan 7, 2021 at 12:26 AM <renayama19661014 at ybb.ne.jp> wrote:
> Hi Steffen,
>
> > Here CIB settings attached (pcs config show) for all 3 of my nodes
> > (all 3 seems 100% identical), node03 is the DC.
>
>
> Thank you for the attachment.
>
> What is the scenario when this situation occurs?
> In what steps did the problem appear when fencing was performed (or
> failed)?
>
>
> Best Regards,
> Hideo Yamauchi.
>
>
> ----- Original Message -----
> > From: Steffen Vinther Sørensen <svinther at gmail.com>
> > To: renayama19661014 at ybb.ne.jp; Cluster Labs - All topics related to
> open-source clustering welcomed <users at clusterlabs.org>
> > Cc:
> > Date: 2021/1/7, Thu 17:05
> > Subject: Re: [ClusterLabs] Pending Fencing Actions shown in pcs status
> >
> > Hi Hideo,
> >
> > Here CIB settings attached (pcs config show) for all 3 of my nodes
> > (all 3 seems 100% identical), node03 is the DC.
> >
> > Regards
> > Steffen
> >
> > On Thu, Jan 7, 2021 at 8:06 AM <renayama19661014 at ybb.ne.jp> wrote:
> >>
> >> Hi Steffen,
> >> Hi Reid,
> >>
> >> I also checked the Centos source rpm and it seems to include a fix for
> the
> > problem.
> >>
> >> As Steffen suggested, if you share your CIB settings, I might know
> > something.
> >>
> >> If this issue is the same as the fix, the display will only be
> displayed on
> > the DC node and will not affect the operation.
> >> The pending actions shown will remain for a long time, but will not
> have a
> > negative impact on the cluster.
> >>
> >> Best Regards,
> >> Hideo Yamauchi.
> >>
> >>
> >> ----- Original Message -----
> >> > From: Reid Wahl <nwahl at redhat.com>
> >> > To: Cluster Labs - All topics related to open-source clustering
> > welcomed <users at clusterlabs.org>
> >> > Cc:
> >> > Date: 2021/1/7, Thu 15:58
> >> > Subject: Re: [ClusterLabs] Pending Fencing Actions shown in pcs
> status
> >> >
> >> > It's supposedly fixed in that version.
> >> > - https://bugzilla.redhat.com/show_bug.cgi?id=1787749
> >> > - https://access.redhat.com/solutions/4713471
> >> >
> >> > So you may be hitting a different issue (unless there's a bug in
> > the
> >> > pcmk 1.1 backport of the fix).
> >> >
> >> > I may be a little bit out of my area of knowledge here, but can you
> >> > share the CIBs from nodes 1 and 3? Maybe Hideo, Klaus, or Ken has
> some
> >> > insight.
> >> >
> >> > On Wed, Jan 6, 2021 at 10:53 PM Steffen Vinther Sørensen
> >> > <svinther at gmail.com> wrote:
> >> >>
> >> >> Hi Hideo,
> >> >>
> >> >> If the fix is not going to make it into the CentOS7 pacemaker
> > version,
> >> >> I guess the stable approach to take advantage of it is to build
> > the
> >> >> cluster on another OS than CentOS7 ? A little late for that in
> > this
> >> >> case though :)
> >> >>
> >> >> Regards
> >> >> Steffen
> >> >>
> >> >>
> >> >>
> >> >>
> >> >> On Thu, Jan 7, 2021 at 7:27 AM <renayama19661014 at ybb.ne.jp>
> > wrote:
> >> >> >
> >> >> > Hi Steffen,
> >> >> >
> >> >> > The fix pointed out by Reid is affecting it.
> >> >> >
> >> >> > Since the fencing action requested by the DC node exists
> > only in the
> >> > DC node, such an event occurs.
> >> >> > You will need to take advantage of the modified pacemaker to
> > resolve
> >> > the issue.
> >> >> >
> >> >> > Best Regards,
> >> >> > Hideo Yamauchi.
> >> >> >
> >> >> >
> >> >> >
> >> >> > ----- Original Message -----
> >> >> > > From: Reid Wahl <nwahl at redhat.com>
> >> >> > > To: Cluster Labs - All topics related to open-source
> > clustering
> >> > welcomed <users at clusterlabs.org>
> >> >> > > Cc:
> >> >> > > Date: 2021/1/7, Thu 15:07
> >> >> > > Subject: Re: [ClusterLabs] Pending Fencing Actions
> > shown in pcs
> >> > status
> >> >> > >
> >> >> > > Hi, Steffen. Are your cluster nodes all running the
> > same
> >> > Pacemaker
> >> >> > > versions? This looks like Bug 5401[1], which is fixed
> > by upstream
> >> >> > > commit df71a07[2]. I'm a little bit confused about
> > why it
> >> > only shows
> >> >> > > up on one out of three nodes though.
> >> >> > >
> >> >> > > [1] https://bugs.clusterlabs.org/show_bug.cgi?id=5401
> >> >> > > [2]
> > https://github.com/ClusterLabs/pacemaker/commit/df71a07
> >> >> > >
> >> >> > > On Tue, Jan 5, 2021 at 8:31 AM Steffen Vinther Sørensen
> >> >> > > <svinther at gmail.com> wrote:
> >> >> > >>
> >> >> > >> Hello
> >> >> > >>
> >> >> > >> node 1 is showing this in 'pcs status'
> >> >> > >>
> >> >> > >> Pending Fencing Actions:
> >> >> > >> * reboot of kvm03-node02.avigol-gcs.dk pending:
> >> > client=crmd.37819,
> >> >> > >> origin=kvm03-node03.avigol-gcs.dk
> >> >> > >>
> >> >> > >> node 2 and node 3 outputs no such thing (node 3 is
> > DC)
> >> >> > >>
> >> >> > >> Google is not much help, how to investigate this
> > further and
> >> > get rid
> >> >> > >> of such terrifying status message ?
> >> >> > >>
> >> >> > >> Regards
> >> >> > >> Steffen
> >> >> > >> _______________________________________________
> >> >> > >> Manage your subscription:
> >> >> > >>
> > https://lists.clusterlabs.org/mailman/listinfo/users
> >> >> > >>
> >> >> > >> ClusterLabs home: https://www.clusterlabs.org/
> >> >> > >>
> >> >> > >
> >> >> > >
> >> >> > > --
> >> >> > > Regards,
> >> >> > >
> >> >> > > Reid Wahl, RHCA
> >> >> > > Senior Software Maintenance Engineer, Red Hat
> >> >> > > CEE - Platform Support Delivery - ClusterHA
> >> >> > >
> >> >> > > _______________________________________________
> >> >> > > Manage your subscription:
> >> >> > > https://lists.clusterlabs.org/mailman/listinfo/users
> >> >> > >
> >> >> > > ClusterLabs home: https://www.clusterlabs.org/
> >> >> > >
> >> >> >
> >> >> > _______________________________________________
> >> >> > Manage your subscription:
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> >> >> > ClusterLabs home: https://www.clusterlabs.org/
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> >> >> Manage your subscription:
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> >> >> ClusterLabs home: https://www.clusterlabs.org/
> >> >
> >> >
> >> >
> >> > --
> >> > Regards,
> >> >
> >> > Reid Wahl, RHCA
> >> > Senior Software Maintenance Engineer, Red Hat
> >> > CEE - Platform Support Delivery - ClusterHA
> >> >
> >> > _______________________________________________
> >> > Manage your subscription:
> >> > https://lists.clusterlabs.org/mailman/listinfo/users
> >> >
> >> > ClusterLabs home: https://www.clusterlabs.org/
> >> >
> >>
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> >
>
> _______________________________________________
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> https://lists.clusterlabs.org/mailman/listinfo/users
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> ClusterLabs home: https://www.clusterlabs.org/
>
--
Regards,
Reid Wahl, RHCA
Senior Software Maintenance Engineer, Red Hat
CEE - Platform Support Delivery - ClusterHA
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