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doc: update release notes

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Ian Barwick
2019-05-28 15:38:19 +09:00
parent 9114299223
commit 9085ca46a8
3 changed files with 55 additions and 17 deletions
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54
doc/appendix-release-notes.xml
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@@ -1,4 +1,3 @@
<appendix id="appendix-release-notes">
<title>Release notes</title>
<indexterm>
@@ -18,13 +17,32 @@
<sect1 id="release-4.4">
<title>Release 4.4</title>
<para><emphasis>???, 2019</emphasis></para>
<para><emphasis>?? June, 2019</emphasis></para>
<sect2>
<title>repmgr client enhancements</title>
<para>
<itemizedlist>
<listitem>
<para>
<link linkend="repmgr-standby-clone"><command>repmgr standby clone</command></link>:
prevent a standby from being cloned from a witness server (PostgreSQL 9.6 and later only).
</para>
</listitem>
<listitem>
<para>
<link linkend="repmgr-witness-register"><command>repmgr witness register</command></link>:
prevent a witness server from being registered on the replication cluster primary server
(PostgreSQL 9.6 and later only).
</para>
<para>
Registering a witness on the primary node would defeat the purpose of having a witness server,
which is intended to remain running even if the cluster's primary goes down.
</para>
</listitem>
<listitem>
<para>
&repmgr;: when executing <link linkend="repmgr-standby-switchover"><command>repmgr standby switchover</command></link>,
@@ -52,7 +70,7 @@
<para>
<link linkend="repmgr-standby-switchover"><command>repmgr standby switchover</command></link>
and <link linkend="repmgr-standby-promote"><command>repmgr standby promote</command></link>:
when executing with the <option>--dry-run</option>, continue checks as far as possible
when executing with the <option>--dry-run</option> option, continue checks as far as possible
even if errors are encountered.
</para>
</listitem>
@@ -60,7 +78,8 @@
<listitem>
<para>
<link linkend="repmgr-standby-promote"><command>repmgr standby promote</command></link>: add <option>--siblings-follow</option> (similar to
<link linkend="repmgr-standby-promote"><command>repmgr standby promote</command></link>:
add <option>--siblings-follow</option> (similar to
<link linkend="repmgr-standby-switchover"><command>repmgr standby switchover</command></link>).
</para>
<note>
@@ -71,7 +90,6 @@
via <option>promote_command</option>), <option>--siblings-follow</option>
<emphasis>must not</emphasis> be included as a
command line option for <link linkend="repmgr-standby-promote"><command>repmgr standby promote</command></link>.
</para>
</note>
</listitem>
@@ -129,13 +147,6 @@
</para>
</listitem>
<listitem>
<para>
<link linkend="repmgr-standby-clone"><command>repmgr standby clone</command></link>:
prevent a standby from being cloned from a witness server.
</para>
</listitem>
</itemizedlist>
</para>
</sect2>
@@ -151,12 +162,31 @@
if the number of nodes connected falls below a certain (configurable) value,
execute a custom script.
</para>
<para>
This provided an additional method for fencing an isolated primary node, and/or taking
other action if one or more standys become disconnected.
</para>
<para>
See section <link linkend="repmgrd-primary-child-disconnection">Monitoring standby disconnections on the primary node</link>
for more details.
</para>
</listitem>
<listitem>
<para>
In a failover situation, &repmgrd; nodes on the standbys of the failed primary
are now able confirm among themselves that none can still see the primary
before continuing with the failover.
</para>
<para>
The <filename>repmgr.conf</filename> option <option>primary_visibility_consensus</option> must
be set to <literal>true</literal> to enable this functionality.
</para>
<para>
See section <xref linkend="repmgrd-primary-visibility-consensus"/>
for more details.
</para>
</listitem>
</itemizedlist>
</para>
</sect2>

2
doc/repmgrd-automatic-failover.xml
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@@ -169,7 +169,7 @@
</sect1>
<sect1 id="repmgrd-primary-visibility-consensue" xreflabel="Primary visibility consensus">
<sect1 id="repmgrd-primary-visibility-consensus" xreflabel="Primary visibility consensus">
<title>Primary visibility consensus</title>
<indexterm>