diff options
Diffstat (limited to 'qpid/doc/book/src/java-broker/Java-Broker-High-Availability.xml')
| -rw-r--r-- | qpid/doc/book/src/java-broker/Java-Broker-High-Availability.xml | 64 |
1 files changed, 33 insertions, 31 deletions
diff --git a/qpid/doc/book/src/java-broker/Java-Broker-High-Availability.xml b/qpid/doc/book/src/java-broker/Java-Broker-High-Availability.xml index 25c56a8d14..8282beaa5e 100644 --- a/qpid/doc/book/src/java-broker/Java-Broker-High-Availability.xml +++ b/qpid/doc/book/src/java-broker/Java-Broker-High-Availability.xml @@ -120,9 +120,9 @@ complete, all nodes will be considered equal.</para> </listitem> <listitem> + <para>Click the <literal>Add</literal> button on the Virtualhost Panel on the Broker + tab.</para> <para> - <para>Click the <literal>Add</literal> button on the Virtualhost Panel on the Broker - tab.</para> <orderedlist> <listitem> <para>Give the Virtualhost node a unique name e.g. <literal>weather1</literal>. The @@ -157,25 +157,23 @@ master.</para> </listitem> </orderedlist> - <para> - <figure> - <title>Creating 1st node in a group</title> - <mediaobject> - <imageobject> - <imagedata fileref="images/HA-Create-1.png" format="PNG" scalefit="1"/> - </imageobject> - <textobject> - <phrase>Creating 1st node in a group</phrase> - </textobject> - </mediaobject> - </figure> - </para> + <figure> + <title>Creating 1st node in a group</title> + <mediaobject> + <imageobject> + <imagedata fileref="images/HA-Create-1.png" format="PNG" scalefit="1"/> + </imageobject> + <textobject> + <phrase>Creating 1st node in a group</phrase> + </textobject> + </mediaobject> + </figure> </para> </listitem> <listitem> + <para>Now move to the second Broker to be the group. Click the <literal>Add</literal> + button on the Virtualhost Panel on the Broker tab of the second Broker.</para> <para> - <para>Now move to the second Broker to be the group. Click the <literal>Add</literal> - button on the Virtualhost Panel on the Broker tab of the second Broker.</para> <orderedlist> <listitem> <para>Give the Virtualhost node a unique name e.g. @@ -202,19 +200,17 @@ <para>Repeat these steps until you have added all the nodes to the group.</para> </listitem> </orderedlist> - <para> - <figure> - <title>Adding subsequent nodes to the group</title> - <mediaobject> - <imageobject> - <imagedata fileref="images/HA-Create-2.png" format="PNG" scalefit="1"/> - </imageobject> - <textobject> - <phrase>Adding subsequent nodes to the group</phrase> - </textobject> - </mediaobject> - </figure> - </para> + <figure> + <title>Adding subsequent nodes to the group</title> + <mediaobject> + <imageobject> + <imagedata fileref="images/HA-Create-2.png" format="PNG" scalefit="1"/> + </imageobject> + <textobject> + <phrase>Adding subsequent nodes to the group</phrase> + </textobject> + </mediaobject> + </figure> </para> </listitem> @@ -351,6 +347,8 @@ running behind for some reason (perhaps a full-GC). If a Master failure were to occur at that moment, the replicas would elect Replica-1 even though Replica-2 had the most recent transaction.</para> + <para>Transaction loss is reported by message <link + linkend="Java-Broker-Appendix-Operation-Logging-Message-HA-1014">HA-1014</link>.</para> </important> </section> <section id="Java-Broker-High-Availability-Behaviour-MinimumNumberOfNodes"> @@ -378,6 +376,8 @@ >split-brain</ulink> in the event of a network partition. If used to temporarily restore service from fewer than quorum nodes, it is <emphasis>imperative</emphasis> to revert it to the Default value as the failed nodes are restored.</para> + <para>Transaction loss is reported by message <link + linkend="Java-Broker-Appendix-Operation-Logging-Message-HA-1014">HA-1014</link>.</para> </important> </section> <section id="Java-Broker-High-Availability-Behaviour-DesignatedPrimary"> @@ -397,7 +397,9 @@ <para>It is imperative not to allow designated primary to be set on both nodes at once. To do so will mean, in the event of a network partition, a <ulink url="http://en.wikipedia.org/wiki/Split-brain_(computing)">split-brain</ulink> will - occur.</para> + occur.</para> + <para>Transaction loss is reported by message <link + linkend="Java-Broker-Appendix-Operation-Logging-Message-HA-1014">HA-1014</link>.</para> </important> </section> </section> |