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High Availability/Failover

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offshore

Posted: Fri Jun 29, 2007 5:22 am Post subject:

Master

Joined: 20 Jun 2002
Posts: 222

Yea, maybe you're correct....I think perhaps we both misuderstood each other.

The architecture you described isn't how I have our architecture setup.

All of our QM's are in a big cluster, with the 2 z/OS QM's as repositories & in a QSG.

So instead of a 'gateway' configuration where the distrib side only has 1 connection to the z/OS QM's, each of our distrib connect to the z/OS QM's via cluster sender channels.

PeterPotkay

Posted: Mon Jul 02, 2007 5:30 pm Post subject:

Poobah

Joined: 15 May 2001
Posts: 7722

I looked at the section on Shared Channels in the z/OS MQ Planning Guide, but it doesn't say anything one way or the other about using Shared Channels in a cluster.

However, if you look in the MQSC Manual for the DEFINE CHANNEL command, you will notice that both Cluster Receivers and Cluster Senders have the QSGDISP attribute available. So its possible the solution to your problem is to make the z/OS cluster channels shared?
_________________
Peter Potkay
Keep Calm and MQ On

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