From 945a3f4dea07e542f598d8500fe12946e3aeda6c Mon Sep 17 00:00:00 2001 From: Alan Conway Date: Fri, 17 Feb 2012 14:14:46 +0000 Subject: QPID-3603: minor updates to new-ha-design.txt git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/qpid-3603-7@1245539 13f79535-47bb-0310-9956-ffa450edef68 --- qpid/cpp/design_docs/new-ha-design.txt | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/qpid/cpp/design_docs/new-ha-design.txt b/qpid/cpp/design_docs/new-ha-design.txt index 4ff61f6bb0..3272b1315f 100644 --- a/qpid/cpp/design_docs/new-ha-design.txt +++ b/qpid/cpp/design_docs/new-ha-design.txt @@ -287,6 +287,14 @@ the requisite number of replication subscriptions established will be confirmed to the publisher before they are replicated, leaving them vulnerable to a loss of the new primary before they are replicated. +LM6 - persistence: In the event of a total cluster failure there are +no tools to automatically identify the "latest" store. Once this +is manually identfied, all other stores belonging to cluster members +must be erased and the latest node must started as primary. + +LM6 - persistence: In the event of a single node failure, that nodes +store must be erased before it can re-join the cluster. + For configuration propagation: LC2 - Queue and exchange propagation is entirely asynchronous. There @@ -341,6 +349,7 @@ LC6 - The events and query responses are not fully synchronized. It is not possible to miss a create event and yet not to have the object in question in the query response however. + * Benefits compared to previous cluster implementation. - Does not depend on openais/corosync, does not require multicast. -- cgit v1.2.1