Updating HA repmgr docs to suggest 3 nodes
What does this MR do?
Updates the HA architecture documentation to suggest 3 database nodes in order for repmgr
to gracefully failover and prevent split brain. It also adds the full command for restoring a former primary as a standby in the repmgr
cluster.
Review checklist
-
Your team's review (required) -
PM's review (recommended, but not a blocker) -
Technical writer's review (required) -
Merge the EE-MR first, CE-MR afterwards