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MQSeries.net Forum Index » IBM MQ Installation/Configuration Support » MQ Client .tab file

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GregJ
PostPosted: Mon Mar 25, 2002 8:31 am    Post subject: Reply with quote

Acolyte

Joined: 24 Oct 2001
Posts: 69
Location: Markham, On. Canada

Is it possible to have 6 different mqchltab files on my client machine (all named differently - or stored in a different directory). Then have my application code set the location for each one as it is needed?

What I need to do is connect 8 clients to 6 Servers (each client must talk to each server). The queue manager and listener is the same on each of the servers - the only difference is the IP address

Can it work?
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PeterPotkay
PostPosted: Mon Mar 25, 2002 8:55 am    Post subject: Reply with quote

Poobah

Joined: 15 May 2001
Posts: 7717

Yes, you can have more than 1 channel table file on a machine and if you can code your app to dynamically choose which one to use, you should be all set.

BUT, having 6 queue managers with the same name is asking for trouble. If you ever try to get them to communicate to each other, you'll have problems.

Why not rename the QMs to 6 unique names (QM1, QM2, etc). Then build one channel table with entries for all 6 queue mamangers. Your client then specifies the name of the queue manager it wants to connect to on the MQCONN call, and now one file works for all QMs and all clients.

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Peter Potkay
Keep Calm and MQ On
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GregJ
PostPosted: Mon Mar 25, 2002 9:39 am    Post subject: Reply with quote

Acolyte

Joined: 24 Oct 2001
Posts: 69
Location: Markham, On. Canada

Great, Thanks - How would I build 1 channeltab file that contains all 6 different queue managers info? Im quite interested in your last paragraph of your post!! How would I build this type of file?
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StefanSievert
PostPosted: Mon Mar 25, 2002 4:43 pm    Post subject: Reply with quote

Partisan

Joined: 28 Oct 2001
Posts: 333
Location: San Francisco

Greg,
please take a look at my description in this thread: http://www.mqseries.net/phpBB/viewtopic.php?topic=1982&forum=6
It should give you the information you are looking for.
Thanks,
Stefan

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Stefan Sievert
IBM Certified * WebSphere MQ
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GregJ
PostPosted: Tue Mar 26, 2002 10:25 am    Post subject: Reply with quote

Acolyte

Joined: 24 Oct 2001
Posts: 69
Location: Markham, On. Canada

Thanks..... that's exactly what I needed!
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