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MQSeries.net Forum Index » General IBM MQ Support » Queue Manager Aliasing

Queue Manager Aliasing

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geekgirl

Posted: Sun Apr 25, 2004 10:31 am Post subject: Queue Manager Aliasing

Newbie

Joined: 25 Apr 2004
Posts: 5

I work on z/os 1.4 and my level of MQ Series is 5.3 I am implementing shared queues. I have two systems in a sysplex, SYSA and SYSB. On each system we have a production queue manager, QMA on SYSA and QMB on SYSB. We want to be able to run a job on either system and have it work. My problem is we have applications already coded with the MQCONN to the queue manager names (QMA or QMB). When I tested the shared queues I can connect to both systems using the queue sharing group name no problem. But what do I do when QMB has been coded in the MQCONN and the job runs on SYSA? It fails with a 2058. Would a queue manager alias solve this problem? Can you do an MQCONN call to a queue manager alias? Any ideas?

Thanks,
Kris

Michael Dag

Posted: Mon Apr 26, 2004 3:15 am Post subject:

Jedi Knight

Joined: 13 Jun 2002
Posts: 2607
Location: The Netherlands (Amsterdam)

QueueManager Alias is a bit misleading name.
QMA can only be used to 'replace' or reset the QueueManager name on a message itself by using a remote queue definition. (you can look this up in the manual)

Not for 'renaming'/'aliassing' connections to an existing QueueManager.
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geekgirl

Posted: Mon Apr 26, 2004 5:37 am Post subject:

Newbie

Joined: 25 Apr 2004
Posts: 5

Thanks for answering!

Are there any ways to do this perhaps clustering? Or will I have to have the programmers change the queue manager name and recompile their code?

Thanks,
Kris

Michael Dag

Posted: Mon Apr 26, 2004 6:19 am Post subject:

Jedi Knight

Joined: 13 Jun 2002
Posts: 2607
Location: The Netherlands (Amsterdam)

eh.. Clustering is also not what it seems ... (whole different subject...)

The only way to have the QueueManager name be 'transparant' to the application is using
'default' QueueManagers when in 'server-binding' mode
or
use a client channel table when in 'client' mode and use *QueueManager name in you connection parameters.
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Michael

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