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MQSeries.net Forum Index » Clustering » MQ Series Clustering - Newbie Questions

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jss
PostPosted: Sun Dec 23, 2001 9:11 pm    Post subject: Reply with quote

Newbie

Joined: 22 Dec 2001
Posts: 1

Hi I am new to MQ Series and am trying to configure a cluster.

1. Any Step By Step to configure MQ cluster ?2. Any idea from where I could download MQ Series Explorer,as the MQ Series Red Book has an exercise covering a cluster setup using Explorer.

Any responses, much appreciated.

cheers
Jss
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bduncan
PostPosted: Wed Dec 26, 2001 12:13 pm    Post subject: Reply with quote

Padawan

Joined: 11 Apr 2001
Posts: 1554
Location: Silicon Valley

Typing out a step by step list of instructions to build a cluster would be redundant, since there are some examples in the MQSeries: Using Clusters manual. However, to give you an idea (in a nutshell) how it's done, here goes:
1. Build queue managers on all machines that will be in the cluster.
2. Choose two of the queue managers to be full repositories. Full repositories contain a list of all resources within the cluster, and the other machines will query these lists for information on various resources. There are two for redundancy. You would then alter the queue managers on these machines to be full repositories (ALTER QMGR).
3. Create cluster sender and receiver channels between each full repository (4 channels total). Test to make sure the repositories can communicate (amqsput, amqsget).
4. Add additional machines to the repository by creating a cluster sender and cluster receiver channel to *one* of the two repositories. Which one doesn't really matter. Once the machine successfully connects to one of the repositories, it will automatically create channels to the other repository. Thus a DIS CHS(*) should return 4 channels.
5. That's it! You can continue to add more machines to the cluster. You will notice that if you have repository A and B, and add machine C and D to the cluster, you won't see channels between C and D be created automatically, nor will a DIS QCLUSTER(*) command on C immediately show clustered queues on D. However, if you attempt to send a message from C to D, C will query either A or B to find out how to talk to D, create the channels, and send the message.


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