[ClusterLabs] Antw: Re: Antw: [EXT] delaying start of a resource

[Ulrich Windl]

>>> Gabriele Bulfon <gbulfon at sonicle.com> schrieb am 16.12.2020 um 17:24 in
Nachricht <1383751630.884.1608135853390 at www>:
> Looks like my installation doesn't like this attribute:
>  
> sonicle at xstorage1:/sonicle/var/log/cluster# crm configure property 
> stonith-enabled=true

Maybe try "verify" before "commit" ;-)

> ERROR: Warnings found during check: config may not be valid
> Do you still want to commit (y/n)? n
>  
>  
> Sonicle S.r.l. : http://www.sonicle.com 
> Music: http://www.gabrielebulfon.com 
> eXoplanets : https://gabrielebulfon.bandcamp.com/album/exoplanets 
>  
> 
> 
> 
> 
> ----------------------------------------------------------------------------
> ------
> 
> Da: Ulrich Windl <Ulrich.Windl at rz.uni-regensburg.de>
> A: users at clusterlabs.org 
> Data: 16 dicembre 2020 15.45.36 CET
> Oggetto: [ClusterLabs] Antw: [EXT] delaying start of a resource
> 
> 
>>>> Gabriele Bulfon <gbulfon at sonicle.com> schrieb am 16.12.2020 um 15:32 in
> Nachricht <1523391015.734.1608129155836 at www>:
>> Hi, I have now a two node cluster using stonith with different 
>> pcmk_delay_base, so that node 1 has priority to stonith node 2 in case of 
>> problems.
>> 
>> Though, there is still one problem: once node 2 delays its stonith action 
>> for 10 seconds, and node 1 just 1, node 2 does not delay start of resources, 
> 
>> so it happens that while it's not yet powered off by node 1 (and waiting its 
> 
>> dalay to power off node 1) it actually starts resources, causing a moment of 
> 
>> few seconds where both NFS IP and ZFS pool (!!!!!) is mounted by both!
> 
> AFAIK pacemaker will not start resources on a node that is scheduled for 
> stonith. Even more: Pacemaker will tra to stop resources on a node scheduled 
> for stonith to start them elsewhere.
> 
>> How can I delay node 2 resource start until the delayed stonith action is 
>> done? Or how can I just delay the resource start so I can make it larger 
> than 
>> its pcmk_delay_base?
> 
> We probably need to see logs and configs to understand.
> 
>> 
>> Also, I was suggested to set "stonith-enabled=true", but I don't know where 
>> to set this flag (cib-bootstrap-options is not happy with it...).
> 
> I think it's on by default, so you must have set it to false.
> In crm shell it is "configure# property stonith-enabled=...".
> 
> Regards,
> Ulrich
> 
> 
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