[ClusterLabs] Pending Fencing Actions shown in pcs status
renayama19661014 at ybb.ne.jp
renayama19661014 at ybb.ne.jp
Thu Jan 7 03:51:00 EST 2021
Hi Steffen,
Hi Reid,
The fencing history is kept inside stonith-ng and is not written to cib.
However, getting the entire cib and getting it sent will help you to reproduce the problem.
Best Regards,
Hideo Yamauchi.
----- Original Message -----
>From: Reid Wahl <nwahl at redhat.com>
>To: renayama19661014 at ybb.ne.jp; Cluster Labs - All topics related to open-source clustering welcomed <users at clusterlabs.org>
>Date: 2021/1/7, Thu 17:39
>Subject: Re: [ClusterLabs] Pending Fencing Actions shown in pcs status
>
>
>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:
>>>> >> > https://lists.clusterlabs.org/mailman/listinfo/users
>>>> >> >
>>>> >> > ClusterLabs home: https://www.clusterlabs.org/
>>>> >> _______________________________________________
>>>> >> 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/
>>>> >
>>>>
>>>> _______________________________________________
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>>>> ClusterLabs home: https://www.clusterlabs.org/
>>>
>>
>>_______________________________________________
>>Manage your subscription:
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>>
>
>--
>
>Regards,
>
>Reid Wahl, RHCA
>
>Senior Software Maintenance Engineer, Red Hat
>CEE - Platform Support Delivery - ClusterHA
>
>
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