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

renayama19661014 at ybb.ne.jp renayama19661014 at ybb.ne.jp
Thu Jan 7 03:59:27 EST 2021


Hi Ulrich,

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


No.
There is no need for a specific section of cib.


Best Regards,
Hideo Yamauchi.


----- Original Message -----
> From: Ulrich Windl <Ulrich.Windl at rz.uni-regensburg.de>
> To: users at clusterlabs.org; renayama19661014 at ybb.ne.jp
> Cc: 
> Date: 2021/1/7, Thu 17:57
> Subject: Antw: [EXT] Re: [ClusterLabs] Pending Fencing Actions shown in pcs status
> 
>>>>  <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:
>>>>>>   >>  > > 
> https://lists.clusterlabs.org/mailman/listinfo/users 
>>>>>>   >>  > >
>>>>>>   >>  > > ClusterLabs home: 
> https://www.clusterlabs.org/ 
>>>>>>   >>  > >
>>>>>>   >>  >
>>>>>>   >>  > 
> _______________________________________________
>>>>>>   >>  > Manage your subscription:
>>>>>>   >>  > 
> https://lists.clusterlabs.org/mailman/listinfo/users 
>>>>>>   >>  >
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>>>>>>   >>  _______________________________________________
>>>>>>   >>  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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>>>>> 
>>>> 
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>>> 
>>> -- 
>>> 
>>> Regards,
>>> 
>>> Reid Wahl, RHCA
>>> 
>>> Senior Software Maintenance Engineer, Red Hat
>>> CEE - Platform Support Delivery - ClusterHA
>>> 
>>> 
>> 
>>  _______________________________________________
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> 



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