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MQSeries.net Forum Index » Clustering » Want to introduce a cluster to existing MQ network

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donthomas
PostPosted: Wed Oct 23, 2002 4:22 am    Post subject: Want to introduce a cluster to existing MQ network Reply with quote

Novice

Joined: 28 Nov 2001
Posts: 23
Location: EDS, Pittsburgh, PA
I have a question regarding the introduction of clustering to my currently nonclustered MQ network. I want to add 3 qmgrs in a cluster called CLBIZ as follows: Gateway,Biz1, and Biz2. Biz1 and Biz2 are identical qmgrs being used for workload balancing (specifically Biz2 is a backup to Biz1 for fail-over). I need to be able to put messages from qmgrs outside of the cluster to a queue on either Biz1 or Biz2 (depending on the availability
of either). Can I define a queue alias on qmgr Gateway that resolves to
a clustered queue that exists on both Biz1 and Biz2 using the following
definitions:

On Gateway:
Define QA(QABIZ) TARGQ(BIZ)

On Biz1:
Define QL(BIZ) CLUSTER(CLBIZ)

On Biz2:
DEFINE QL(BIZ) CLUSTER(CLBIZ)

The goal is to have qmgrs that are outside of the cluster CLBIZ be able
to direct messages to QABIZ on Gateway using normal distributed-queue messaging and then have clustered qmgr Gateway be able to forward the messages within the cluster to the queue BIZ on either Biz1 or Biz2.
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udaybho
PostPosted: Wed Oct 23, 2002 5:19 am    Post subject: Reply with quote

Voyager

Joined: 09 May 2002
Posts: 94
Location: Chicago
I do not see any problem in your configuration. Just make sure that you use defbind(NOTFIXED) on alias queue and use the queue open option MQOO_BIND_AS_Q_DEF.

Uday Bhosle
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2189
PostPosted: Wed Oct 23, 2002 8:05 am    Post subject: Reply with quote

Apprentice

Joined: 22 Oct 2002
Posts: 31
Yep that looks good to me.
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jsware
PostPosted: Sat Oct 26, 2002 12:04 am    Post subject: Reply with quote

Chevalier

Joined: 17 May 2001
Posts: 455
What we do is define a qmgr definition called "ANY.CLBIZ" on the gateway queue manager. This is a qremote definition without any remote q/qmgr name defined.

On the qmgr outside the cluster, define a qremote that specified the remote qname as "BIZ" and the remote qmgr name as "ANY.CLBIZ" and a transmission queue of the gateway queue manager.

This is explained in the clustering guide under chapter 4.
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