[ClusterLabs] Antw: Re: Antw: clearing failed actions

[Digimer]

On 02/06/17 01:51 AM, Attila Megyeri wrote:
> Thanks.
> 
> We have several clusters working fine since several years, without STONITH, so we did not really bother to implement it.

I have been driving a car for 20+ years, and I have never needed my
seatbelt, thankfully. That you haven't needed stonith yet is not an
indication that stonith is not required. You've just been lucky so far.

> As for the failed actions - I cannot recall since when these are not cleared, but they aren't.
> 
> When I check the pengine log on the DC, at every recheck interval I see lines like:
> 
> ...    pengine:  warning: unpack_rsc_op:    Processing failed op start for jboss_admin1 on ctadmin1: unknown error (1)
> 
> or 
> ...    pengine:  warning: unpack_rsc_op:    Processing failed op monitor for jboss_abssrv2 on ctabs2: unknown error (1)
> 
> 
> And these are the failed actions  visible in the crm_mon -f as well:
> 
> 
> Failed actions:
>     jboss_admin1_start_0 (node=ctadmin1, call=120, rc=1, status=Timed Out, last-rc-change=Thu Jun  1 14:17:31 2017
> , queued=40001ms, exec=0ms
> ): unknown error
>     jboss_abssrv2_monitor_10000 (node=ctabs2, call=106, rc=1, status=complete, last-rc-change=Thu Jun  1 14:13:36 2017
> , queued=0ms, exec=0ms
> ): unknown error
> 
> 
> If I do a resource cleanup, the errors are gone.
> 
> At the same time I see no actions on the mentioned nodes - this log is from the DC...
> 
> On the mentioned notes a regular monitoring operation is performed, and reults in 0 - no error.
> 
> What am I missing here?
> 
> 
> 
>> -----Original Message-----
>> From: Ulrich Windl [mailto:Ulrich.Windl at rz.uni-regensburg.de]
>> Sent: Thursday, June 1, 2017 8:34 AM
>> To: users at clusterlabs.org
>> Subject: [ClusterLabs] Antw: Re: Antw: clearing failed actions
>>
>>>>> Digimer <lists at alteeve.ca> schrieb am 01.06.2017 um 00:03 in Nachricht
>> <50aad2be-185b-0348-6a93-987034c9cb3a at alteeve.ca>:
>> [...]
>>> I don't know, but according to Ken's last email, what you're seeing is
>>> expected. I replied because of the miss understanding of the rolls
>>> quorum and fencing play. Running a cluster without fencing is dangerous.
>>
>> I'd recommend this: Enable a working STONITH. Then if you see your cluster
>> never uses STONITH, and everything works fine, and you feel you don't
>> needit, then you can get rid of it.
>> But don't try the other way 'round: Omit STONITH, expecting the cluster
>> would work flawlessly, then (not) add STONITH.
>>
>> Regards,
>> Ulrich
>>
>>
>>
>>
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-- 
Digimer
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