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MQSeries.net Forum Index » Clustering » MQ V7 multi-instance queue manager HA vs Load balancing

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mqjeff
PostPosted: Wed Feb 08, 2012 3:07 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447

mvic wrote:
mqjeff wrote:
So when we do talk about an active-active MI configuration, we are discussing two separate active-passive queue managers.

Just as with HACMP et al?

yes, exactly.
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ayeh
PostPosted: Wed Feb 08, 2012 12:05 pm    Post subject: Reply with quote

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Joined: 21 Oct 2001
Posts: 18
Location: Los Angeles, CA

mqjeff wrote:
don't misunderstand what MI provides.

MI is still an active-passive setup, not an active-active setup.

So when we do talk about an active-active MI configuration, we are discussing two separate active-passive queue managers.


Thanks for clearing that up because I didn't see any other evidence of active/active except in these forums, which confused the heck out of me.

Arthur
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exerk
PostPosted: Wed Feb 08, 2012 3:07 pm    Post subject: Reply with quote

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Joined: 02 Nov 2006
Posts: 6339

ayeh wrote:
Thanks for clearing that up because I didn't see any other evidence of active/active except in these forums, which confused the heck out of me.

Arthur

One of those classics of different interpretations, e.g. clustering WMQ-wise and clustering hardware-wise. Active-Active can be interpreted as a server running ready to take over, which from a hardware perspective is accurate, but from a WMQ perspective is not.
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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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