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>
<para>
Indicates a preferred priority (default: <literal>100</literal>) for promoting nodes;
a value of zero prevents the node being promoted to primary.
Indicates a preferred priority (default: <literal>100</literal>) for promoting nodes.
</para>
<para>
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
higher priority is selected.
</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>
</varlistentry>