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doc: add two notes on section related to configuration files

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Add notes to the documention mentioning that after postgres or repmgr
upgrades (postgres major upgrades), there are some changes that need
to be taken care of.

Signed-off-by: Martín Marqués <martin.marques@2ndquadrant.com>
This commit is contained in:
Martín Marqués
2020-08-05 17:54:25 -03:00
committed by Ian Barwick
parent fb32284cdc
commit cd81046c26
1 changed files with 24 additions and 0 deletions
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doc/configuration-file.xml
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@@ -211,5 +211,29 @@ conninfo='host=node1 user=repmgr dbname=repmgr connect_timeout=2'</programlistin
</para>
</note>
<note>
<para>
When upgrading the PostgreSQL cluster to a new major version, updating the &repmgr; configuration file
may be needed. In particular, if default package locations for <option>pg_bindir</option> and
<option>data_directory</option> are used, both these options in <filename>repmgr.conf</filename>
will need to be updated accordingly.
</para>
</note>
<note>
<para>
If the location of the configuration file changed after a PostgreSQL major upgrade, the
<option>config_file</option> field from the <structname>repmgr.nodes</structname> table will
need to reflect this change. This can be accomplished by forcing all nodes to register
again with the new configuration file. This will effectively update the <option>config_file</option>
field in <structname>repmgr.nodes</structname>. To accomplished this, just
execute <link linkend="repmgr-primary-register">
<command>repmgr primary register --force -f /path/to/repmgr.conf</command></link>
on the primary node, and then <link linkend="repmgr-standby-register">
<command>repmgr standby register --force -f /path/to/repmgr.conf</command></link>
on all the standby nodes (don't forget the witness, if there is one).
</para>
</note>
</sect2>
</sect1>