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| Cluster Question |
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| dlamont |
 Posted: Thu Sep 15, 2005 7:46 am Post subject: Cluster Question |
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Newbie
Joined: 15 Sep 2005
Posts: 7
Location: St. Charles, MO
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Hi Everyone,
I'm new to this board, but already I can see that there's a wealth of information here. I am new to MQ Clustering. We have been running our QM's on a single Sun server, and will be soon moving them to 2 Sun servers for load balancing and failover capabilities. I'm planning to use the support pack to create pcf files, copy them to the new servers, and build the new QM's there.
I have been creating the sample cluster documented in the IBM Queue Manager Clusters manual, and have it up and running. I have two QM's, both repositories, the channels (clusrcvr and clussdr), and a queue (INVENTQ) on QM2. When using the amqsput and amqsget commands, I can put a message on QM1 and get it from QM2, but not the other way around. When I put the message on QM2, I get an error "unable to open queue for input" when I try to get the message from QM1. Shouldn't it work both ways? Thanks.....
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- Dave Lamont |
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| wschutz |
| Posted: Thu Sep 15, 2005 8:04 am Post subject: |
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Jedi Knight
Joined: 02 Jun 2005
Posts: 3316
Location: IBM (retired)
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No, even with MQ clustering, you can only get messages from a local queue. If you want to MQGET from INVENTQ on QM1, you need to define a ql(INVENTQ) on QM1 and put it in the cluster (assuming you want to round-robin the messages to the queue on both qmgrs)
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-wayne |
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| Anirud |
| Posted: Thu Sep 15, 2005 9:35 am Post subject: Re: Cluster Question |
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Master
Joined: 12 Feb 2004
Posts: 285
Location: Vermont
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| dlamont wrote: |
| We have been running our QM's on a single Sun server, and will be soon moving them to 2 Sun servers for load balancing and failover capabilities. |
In case you are not aware of this, WMQ Clustering supports workload balancing but not failover. For failover, you will have to go with OS level clustering.
Regards,
Anirud. |
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