[ClusterLabs Developers] Delayed node reboot

[Vladislav Bogdanov]

I would suggest that forcibly moving DC out of standby node is a great 
idea. If you put a node to standby, there is a big chance you want to do 
something brutal with it.

Best,
Vlad

"dennis.r.lacroix--- via Developers" <developers at clusterlabs.org> 2 
сентября 2023 г. 18:31:58 написал:

> I am working on an application where I need to reboot individual nodes in 
> the cluster as quickly as possible.  In order to do so, I am first putting 
> the node into standby mode and then shutting down Pacemaker.  This works 
> well in most cases - except when the node I am shutting down is the DC and 
> has a Master resources that need to be promoted on another node.  In this 
> case, the Pacemaker shutdown seems to be delayed until both the local 
> resources are stopped AND the remote resources are promoted and/or started. 
>  This causes an unacceptable delay in the reboot of the node.
>
> Am I correctly interpreting why the Pacemaker shutdown is taking so long?  
> Is there any way to fix this?  The idea solution would seem to be to force 
> the DC to another node before putting the node into standby mode, but there 
> doesn’t seem to be a mechanism to do so.  Is there another way to deal with 
> this?
>
> To summarize: I basically need to cleanly shutdown the resources on the 
> node and exit the cluster as quickly as possible so that I can reboot the 
> node and rejoin the cluster with minimal delay.
>
> Any suggestions are appreciated!
> Dennis LaCroix
>
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