[ClusterLabs] bit of wizardry bit of trickery needed.

[Andrei Borzenkov]

On 10.05.2021 16:48, lejeczek wrote:
> Hi guys
> 
> Before I begin my adventure with this I though I would ask experts if
> something like below is possible.
> 
> resourceA if started on nodeA, then nodes B & C start resourceB (or
> recourceC)
> 

Configure colocation with negative score between resourceB and
resourceA, so resourceB will be started on different node.

> whether to start resource B or C on two nodes (might thing of it as
> master node + two slaves) depend on which node resourceA got started.
> 
> eg.
> if nodeA runs rMaster -> nodeB, nodeC run rToA
> if nodeB runs rMaster -> nodeA, nodeC run rToB
> if nodeC runs rMaster -> nodeA, nodeB run rToC
> 
> any light shedding or idea sharing are much welcomed.
> many thanks, L.
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