From 0a87e83625e42d6d96d42782bbe9fceca551edf5 Mon Sep 17 00:00:00 2001 From: Lauren Conrad Date: Mon, 12 Oct 2015 21:41:47 -0400 Subject: [PATCH] Update to include HA concepts in context of OpenStack Added a paragraph to explain why high availability is not the default set up and how it can be difficult to use in some cases. Change-Id: I980a7e24a2ac11c10fe4bdcf7d517d9a5f94383a Partial-Bug: 1414115 --- doc/ha-guide/source/intro-ha-concepts.rst | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/doc/ha-guide/source/intro-ha-concepts.rst b/doc/ha-guide/source/intro-ha-concepts.rst index d8249172..af0e5146 100644 --- a/doc/ha-guide/source/intro-ha-concepts.rst +++ b/doc/ha-guide/source/intro-ha-concepts.rst @@ -177,3 +177,12 @@ but is not appropriate for a production environment. It is possible to add controllers to such an environment to convert it into a truly highly available environment. + + +High availability is not for every user. It presents some challenges. +High availability may be too complex for databases or +systems with large amounts of data. Replication can slow large systems +down. Different setups have different prerequisites. Read the guidelines +for each setup. + +High availability is turned off as the default in OpenStack setups.