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repmgrd: activate inactive node record at startup

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If a PostgreSQL instance was shut down while repmgrd was running, and
repmgrd was subsequently restarted (this chain of events could occur
during e.g. a server reboot), the node record will have been set to
"inactive". Previously, in this case repmgrd would refuse to start up.
However, as we can determine the node is running, it should normally
be no problem to automatically set the node record to "active".

The old behaviour can be restored by setting the new parameter
"repmgrd_exit_on_inactive_node" to "true".

RM19604.
This commit is contained in:
Ian Barwick
2021-07-12 17:38:40 +09:00
parent f64f498afb
commit 79d1f005db
10 changed files with 90 additions and 3 deletions
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repmgr.conf.sample
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@@ -337,6 +337,7 @@ ssh_options='-q -o ConnectTimeout=10' # Options to append to "ssh"
# "--no-pid-file" will force PID file creation to be skipped.
# Note: there is normally no need to set this, particularly if
# repmgr was installed from packages.
#repmgrd_exit_on_inactive_node=false # If "true", and the node record is marked as "inactive", abort repmgrd startup
#standby_disconnect_on_failover=false # If "true", in a failover situation wait for all standbys to
# disconnect their WAL receivers before electing a new primary
# (PostgreSQL 9.5 and later only; repmgr user must be a superuser for this)