hapostgres / hapostgres/pg_auto_failover
Document step-by-step PostgreSQL upgrade
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Description
When using pg_auto_failover, it is unclear how to perform a major Postgres upgrade of the cluster.
Need clarity around:
1) Upgrade pg_auto_failover itself (on all nodes) + whether is necessary before/after PostgreSQL upgrade
2) Steps necessary to prep for the upgrade (stop/disable pg_auto_failover? put in maintenance mode? etc)
3) Steps to accomplish the upgrade (occur one node at a time to prevent outage? occur on all nodes at once? etc)
4) Finalization
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Assessment
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