[ClusterLabs] What Does the Monitor Action of the IPaddr2 RA Actually Do?

[Andrei Borzenkov]

On 01.06.2021 19:50, Eric Robinson wrote:
> This is related to another question I currently have ongoing.
> 
> I see in the logs that monitoring failed for a VIP resource, and that may have been responsible for node failover. I read the code for the IPaddr2 RA but it is not clear to me exactly what the monitor action looks for to determine resource health.
> 
> May 27 09:55:31 001store01a crmd[92171]:  notice: State transition S_IDLE -> S_POLICY_ENGINE May 27 09:55:31 001store01a pengine[92170]: warning: Processing failed op monitor for p_vip_ftpclust01 on 001store01a: unknown error (1)
> 

enable trace for monitor operation. See e.g.
https://www.suse.com/support/kb/doc/?id=000019138.