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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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17
doc/appendix-release-notes.xml
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@@ -26,6 +26,23 @@
This release provides support for <ulink url="https://www.postgresql.org/docs/14/release-14.html">PostgreSQL 14</ulink>,
to be released later in 2021.
</para>
<sect2>
<title>Improvements</title>
<para>
<itemizedlist>
<listitem>
<para>
&repmgrd;: at startup, if node record is marked as "inactive", attempt
to set it to "active".
</para>
<para>
This behaviour can be overridden by setting the configuration parameter
<varname>repmgrd_exit_on_inactive_node</varname> to <literal>true</literal>.
</para>
</listitem>
</itemizedlist>
</para>
</sect2>
<sect2>
<title>Bug fixes</title>