Ian Barwick 9e90fcd584 "standby follow": verify status of follow target ...

This commit adds infrastruture for repmgr to be able to check
whether one standby can attach to another node, regardless whether
it is a standby or a primary.

This is intended to prevent a node from attempting to follow a
node whose timeline has diverged. The --dry-run option makes
it possible to test a follow operation before it is carried out.

As a useful side-effect this makes it possible for a standby to
follow another standby.

This is an initial implementation; documentation and possibly
further changes to follow.

2018-11-29 17:14:38 +09:00

9.1 KiB

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