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| Mimix and AS/400 MQSeries |
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| bjr149 |
 Posted: Wed Aug 04, 2010 4:00 am Post subject: Mimix and AS/400 MQSeries |
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Novice
Joined: 03 Mar 2010
Posts: 22
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| Is anyone using Mimix on their 400 MQSeries? I was told by someone that we cannot use Mimix because our Queue Managers are named different on the PROD and DR server. Its RX1 on PROD and RX2 on DR. This doesn't make much sense to me because according to IBM you never name any 2 queue managers the same on the entire network. Is there something I am missing? |
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| Vitor |
| Posted: Wed Aug 04, 2010 5:08 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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See my comments here and I'll let the near double post slide. 
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| bjr149 |
| Posted: Wed Aug 04, 2010 5:21 am Post subject: |
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Joined: 03 Mar 2010
Posts: 22
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I don't believe it's true that you have your production queue manager and your DR queue manager on 1 network. Typically a DR site is a geographically remote location that spends much of it's time switched off.
It's certainly true that you should never name 2 queue managers the same on your network. But if you have an HA setup you could have "2" queue managers of the same name; one is the failover copy of the other. Likewise a DR copy of a queue manager has the same name as the real one because it was built to be an identical copy to be used in the case of disaster, when in all likelihood it will be the only surviving queue manager of that name!
So if you've chosen not to follow this convention and have 2 queue managers called RX1 & RX2 which are the "same" then yes you can't do this.
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The 2nd site is more of a failover site, not a dr site. Both servers are on the same network this is why they weren't named the same QM.
Both of these QM's are used in the local fashion on the 400 instance on each server. Can you somehow alias the RX2 or something to get around this?
If I can't use Mimix, which sucks, what are some other options that may fix my issue? |
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| zpat |
| Posted: Wed Aug 04, 2010 5:25 am Post subject: |
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Jedi Council
Joined: 19 May 2001
Posts: 5866
Location: UK
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We use Mimix, the replicated queue manager is not available to use in this mode. So it cannot be online at the same time.
But you can have two queues managers online with the same name at the same time.
Indeed the IBM clients manual shows an example of a CCDT with two queue managers of the same name (but different IP addresses) in it.
We keep our prod and DR queue managers with same names, and both online. I can connect to either with various MQ tools.
However the DR QM one does not connect to other QMs until and unless it becomes the prod QM.
At that time the DNS name is redirected to the other IP address. |
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