Make it clearer that a witness node counts as a "sibling node"

It's not attached to the primary per-se, but needs to know what
the current primary is in order to correctly synchronise its
copy of the metadata.

Per GitHub #560.
This commit is contained in:
Ian Barwick
2019-05-02 14:22:53 +09:00
parent 8da355eb3f
commit 4b37562444
3 changed files with 19 additions and 3 deletions

View File

@@ -26,7 +26,9 @@
these to follow the new primary if the option <literal>--siblings-follow</literal>
is specified. This requires a passwordless SSH connection between the promotion
candidate (new primary) and the nodes attached to the demotion candidate
(existing primary).
(existing primary). Note that a witness server, if in use, is also
counted as a &quot;sibling node&quot; as it needs to be instructed to
synchronise its metadata with the new primary.
</para>
<note>
<para>