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MQSeries.net Forum Index » IBM MQ Installation/Configuration Support » MQ Disaster-Recovery setup question

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mqjeff
PostPosted: Sat Jul 18, 2009 8:34 am    Post subject: Reply with quote

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Joined: 25 Jun 2008
Posts: 17447
Again, it kind of depends on how tightly you want to grasp onto "the same queue manager".

Z/OS shared queues, for example, can very very much look like "the same queue manager", from a definition of "the same" that means "appears identical to the applications getting and putting messages".

The value of a hard definition of "the same" queue manager running simultaneously on two machines is not significantly greater than a well thought out and well implemented layering of HA and MQ Clustering. At least in my opinion. Especially if the HA layer allows for very rapid failover between nodes.
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exerk
PostPosted: Sat Jul 18, 2009 10:10 am    Post subject: Reply with quote

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Joined: 02 Nov 2006
Posts: 6339
mqjeff wrote:
...Especially if the HA layer allows for very rapid failover between nodes...


And therein lies the rub...I am at a site that only monitors hardware failure to initiate fail-over, they don't monitor the actual Resource Groups; this is the second site I have encountered this.
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It's puzzling, I don't think I've ever seen anything quite like this before...and it's hard to soar like an eagle when you're surrounded by turkeys.
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