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From "Alan Conway (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (QPID-5043) HA verify that cluster can be upgraded one node at a time.
Date Mon, 01 Dec 2014 20:28:13 GMT

     [ https://issues.apache.org/jira/browse/QPID-5043?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Alan Conway reassigned QPID-5043:

    Assignee:     (was: Alan Conway)

> HA verify that cluster can be upgraded one node at a time.
> ----------------------------------------------------------
>                 Key: QPID-5043
>                 URL: https://issues.apache.org/jira/browse/QPID-5043
>             Project: Qpid
>          Issue Type: Task
>          Components: C++ Clustering
>    Affects Versions: 0.24
>            Reporter: Alan Conway
> The intent is that from 0.24 on a HA cluster can be upgraded node-by-node.
> As part of the release process for 0.26 onwards, we need to verify that this does indeed
work, and document any restrictions or special proceedures needed to make it work.
> We need to verify upgrade from say v1 to v2 works on an *active* HA cluster:
> - start v1 cluster.
> - run clients that are active during the upgrade.
> - shut down nodes one by one and restart with v2.
> - verify no message loss, clients fail-over OK.
> We will assume that new features introduced by v2 are *not* used until the entire cluster
is upgraded to v2.
> Ideally we want an automated upgrade test, if not we need to document in detail the procedure
for a manual test.

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