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| Upgrading MQ Level of Cluster Queue Managers |
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| gflaifel |
 Posted: Mon Jul 08, 2002 7:35 pm Post subject: Upgrading MQ Level of Cluster Queue Managers |
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Novice
Joined: 27 Mar 2002
Posts: 12
Location: Toronto,Canada
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I have an cluster with 12 WebSphere MQ V5.2 for AIX queue managers ( each on a different server), two of the queue managers are repository queue managers.
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I would like to phase in an upgrade to WebSphere MQ V5.3 accross the cluster. What are the restrictions, if any, of mixing and matching V5.2 and V5.3 queue managers in a single Cluster ?
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| bduncan |
| Posted: Mon Jul 08, 2002 8:28 pm Post subject: |
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Padawan
Joined: 11 Apr 2001
Posts: 1554
Location: Silicon Valley
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As far as I know, there is no issue with version 5.2 and 5.3 queue managers participating in the same cluster.
However, I would urge caution during the upgrade phase. You will run into the same issues that you do whenever you attempt to remove a queue manager from a cluster. Namely, you must follow the removal process to a 'T' or you will end up with ghost queues/channels...
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Brandon Duncan
IBM Certified MQSeries Specialist
MQSeries.net forum moderator |
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| gflaifel |
| Posted: Tue Jul 09, 2002 5:03 am Post subject: |
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Novice
Joined: 27 Mar 2002
Posts: 12
Location: Toronto,Canada
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thanks for the update ....
We do not need to remove a queue manager from a cluster before upgrading it do we ? |
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| bduncan |
| Posted: Tue Jul 09, 2002 6:09 am Post subject: |
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Padawan
Joined: 11 Apr 2001
Posts: 1554
Location: Silicon Valley
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I believe if you follow the upgrade instructions, it should maintain any queue managers you have defined. On unix at least, since all the queue managers exist in /var/mqm/qmgrs, while all the MQSeries application code resides in /opt/mqm, there should be no reason that the upgrade process alters anything in /var/mqm.
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Brandon Duncan
IBM Certified MQSeries Specialist
MQSeries.net forum moderator |
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