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| WMQ on LINUX HA environment |
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| MQEnthu |
 Posted: Sun Dec 13, 2009 11:37 pm Post subject: WMQ on LINUX HA environment |
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Partisan
Joined: 06 Oct 2008
Posts: 329
Location: India
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Hi All,
I need to install the WMQ on Linux Active/Passive clustering environment. I also need to configure the WMQ QM clsurtering. Could you please share some important things that we need to keep in mind while setting up the above set up. I am going through the MC91 pdf.. please share the pointers to any other docs which can help me with the above requirement.
Thank you...
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| exerk |
| Posted: Mon Dec 14, 2009 12:18 am Post subject: |
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Jedi Council
Joined: 02 Nov 2006
Posts: 6339
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1. Hunt through the site as there have been a number of discussions about problems with HA queue managers on Linux (more to do with the clustering software I believe).
2. Ensure you have a good and well tested rapid-rebuild strategy, i.e. in the event you have to delete/redefine the queue manager.
3. As to the queue manager being in a cluster, it is no different to a 'normal' queue manager.
4. Your back up of file systems should be handled by the Sys Admins so they should know about any potential 'gotchas'.
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| MQEnthu |
| Posted: Mon Dec 14, 2009 2:43 am Post subject: |
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Partisan
Joined: 06 Oct 2008
Posts: 329
Location: India
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Thank you experk....
I understand after going through the MC91 that, we need to follow the normal steps to install the WMQ software on all the nodes..there is no special steps for installing in HA..Please correct me if I am wrong.
And I have another questions about the cluster configuration in HA (Active/Passive):
We create the QM and add them cluster on each of the active nodes. And on the passive nodes, we just run the halinkmqm script. Please let me know if my understanding is wrong
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| exerk |
| Posted: Mon Dec 14, 2009 3:02 am Post subject: |
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Jedi Council
Joined: 02 Nov 2006
Posts: 6339
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From what I remember from the the documentation, you are correct. Please note that MC91 has been withdrawn from the SupportPac site but is archived - and the archive site states '...do not use for new projects...'.
I can't remember where I read it, but I'm reasonably certain, that HA set-ups now are achieved using '...the appropriate software for the platform...' meaning, I presume Veritas, IBM HACMP, etc.
As far as I am concerned, until all WMQ infrastructure in a site (and any Third Party connections) is V7.0.1 capable, there is still a good argument to be made for having 'classical' HA queue managers.
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| MQEnthu |
| Posted: Mon Dec 14, 2009 3:12 am Post subject: |
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Partisan
Joined: 06 Oct 2008
Posts: 329
Location: India
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Yeah, I saw that the MC91 is withdrawn..Since I could not find any relevant docs, I am reffering to this..
Yes, I have also read it that we need to use some HA softwares for setting up the HA like : HACMP, Veritas Cluster Server....though not sure what will be used in our case..
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