[ClusterLabs] Constraint question
john tillman
johnt at panix.com
Tue Oct 5 18:05:49 EDT 2021
Is it possible for a resource *not* to stop if a colocation constrained
resource stops on all nodes?
My configuration per 'pcs constraint' output:
Location Constraints:
Ordering Constraints:
Colocation Constraints:
TheService with TheVIP
TheVip with TheDB-clone
Ticket Constraints:
On boot, TheDB starts on a node and the other resources follow it and
start there too. All's well.
(Understand that the scenario below is part of a testing step.)
If I stop all the mysql database clones via "pcs resource disable" I see
the VIP and service resources also stop.
So is there a way to configure the cluster so the service and VIP
resources remain running on the last node they were on when all the
databases are stopped?
Best Regards,
John
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