[ClusterLabs] HA: Pgsql resource agent of pacemaker
brightuser2019 at gmail.com
Mon Aug 19 23:59:23 EDT 2019
Need advise on below situation:
We are testing HA setup on a two node cluster using pacemaker, corosync
stack. The replication is streaming replication in async mode.
Whenever there is a failover to standby, pgsql created a PGSQL.lock file in
/var/lib/pgsql/tmp/ folder. We noticed that this file is created at random
on any one of the nodes.
Want to know:
- Is there any logic behind which node it creates the lock file?
- When a node in kept in HS:alone state ?
- How can we check if failed node is at a log location behind current
primary? So that we can force RA to start by deleting lock file?
Please help to understand
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