[ClusterLabs] Antw: [EXT] Re: Pending Fencing Actions shown in pcs status

Ulrich Windl Ulrich.Windl at rz.uni-regensburg.de
Thu Jan 7 03:56:54 EST 2021 

>>> <renayama19661014 at ybb.ne.jp> schrieb am 07.01.2021 um 09:51 in Nachricht
<91782048.765666.1610009460932.JavaMail.yahoo at mail.yahoo.co.jp>:
> Hi Steffen,
> Hi Reid,
> 
> The fencing history is kept inside stonith-ng and is not written to cib.

So you were asking for a specific section of the CIB like "cibadmin -Q -o
status"?

> 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:
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>>>>>  >>  > >
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>>>>>  >>  > >
>>>>>  >>  >
>>>>>  >>  > _______________________________________________
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>>>>>  >
>>>>>  >
>>>>>  >
>>>>>  > --
>>>>>  > 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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>>
>>-- 
>>
>>Regards,
>>
>>Reid Wahl, RHCA
>>
>>Senior Software Maintenance Engineer, Red Hat
>>CEE - Platform Support Delivery - ClusterHA
>>
>>
> 
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