[ClusterLabs] location constraint does not move promoted resource ?

Andrei Borzenkov arvidjaar at gmail.com
Mon Jul 3 05:16:30 EDT 2023


On 03.07.2023 12:05, lejeczek via Users wrote:
> Hi guys.
> 
> I have pgsql with I constrain like so:
> 
> -> $ pcs constraint location PGSQL-clone rule role=Promoted
> score=-1000 gateway-link ne 1
> 
> and I have a few more location constraints with that
> ethmonitor & those work, but this one does not seem to.
> When contraint is created cluster is silent, no errors nor
> warning, but relocation does not take place.
> I can move promoted resource manually just fine, to that
> node where 'location' should move it.
> 

Instance to promote is selected according to promotion scores which are 
normally set by resource agent. Documentation implies that standard 
location constraints are also taken in account, but there is no 
explanation how promotion scores interoperate with location scores. It 
is possible that promotion score in this case takes precedence.


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