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doc: update release notes

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Add note about requiring 4.0.3 or later on all nodes when performing
a switchover from a noder running 4.0.3 or later.

Per report in GitHub #388.
This commit is contained in:
Ian Barwick
2018-03-09 09:46:03 +09:00
parent b17993abdb
commit 1476b21cd4
1 changed files with 17 additions and 0 deletions
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17
doc/appendix-release-notes.sgml
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@@ -30,6 +30,15 @@
for more details.
</para>
<note>
<para>
It is not possible to perform a switchover where the demotion candidate is
running &repmgr; 4.0.2 or lower; all nodes should be upgraded to the latest version (4.0.4).
This is due to additional checks introduced in 4.0.3 which require the presence of
4.0.3 or later versions on all nodes.
</para>
</note>
<sect2>
<title>Usability enhancements</title>
@@ -144,6 +153,14 @@
This release can be installed as a simple package upgrade from repmgr 4.0 ~ 4.0.2;
repmgrd (if running) should be restarted.
</para>
<note>
<para>
It is not possible to perform a switchover where the demotion candidate is
running &repmgr; 4.0.2 or lower; all nodes should be upgraded to 4.0.3. This is due
to additional checks introduced in 4.0.3 which require the presence of
4.0.3 or later versions on all nodes.
</para>
</note>
<sect2>
<title>Usability enhancements</title>