doc: clarify failover behaviour when node priority is zero

Make it clear the node will not be promoted under any circumstances.
This commit is contained in:
Ian Barwick
2022-09-20 09:35:19 +09:00
parent 8e5698f16e
commit 5e75707d4e

View File

@@ -345,14 +345,18 @@
</indexterm> </indexterm>
<para> <para>
Indicates a preferred priority (default: <literal>100</literal>) for promoting nodes; Indicates a preferred priority (default: <literal>100</literal>) for promoting nodes.
a value of zero prevents the node being promoted to primary.
</para> </para>
<para> <para>
Note that the priority setting is only applied if two or more nodes are Note that the priority setting is only applied if two or more nodes are
determined as promotion candidates; in that case the node with the determined as promotion candidates; in that case the node with the
higher priority is selected. higher priority is selected.
</para> </para>
<para>
A value of zero will always prevent the node being promoted to primary, even if there
is no other promotion candidate.
</para>
</listitem> </listitem>
</varlistentry> </varlistentry>