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| Assured delivery of messages in Clustering |
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| pichelma |
 Posted: Tue Mar 12, 2002 1:46 pm Post subject: |
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Apprentice
Joined: 11 Mar 2002
Posts: 25
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I hope these question's are not too petty!
First off, can Qmgr's be setup on a 1 - 2/3 basis? Meaning, usually a Qmgr is setup on one(local) machine and one on a remote machine or 1 to 1.
What if a customer request's a many remote(machines) Qmgr's that are to communicate w/ just one Local Qmgr. on a machine. I assume this is still possible?
Next, just wondering if a power failure occur's w/ a clustering setup, I would assume that messages are saved in one of the Qmgr's in the cluster? Does the repository play a role for backup? Or I assume another Qmgr. can be used to "cache" or save the message?
I hope these are relevant questions, TIA!
I will be more than happy to explain further, if needed.
-Scott
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| EddieA |
| Posted: Tue Mar 12, 2002 5:35 pm Post subject: |
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Jedi
Joined: 28 Jun 2001
Posts: 2453
Location: Los Angeles
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Scott,
Firstly, any Queue Manager can communicate with any number of other Queue Managers, (always assuming that they've been configured correctly.  ) provided you don't exceed the MaxChannels and MaxActiveChannels.
As to your other question. If a power outage occurs on a Queue Manager, then those messages (that are defined as persistent), that are currently on queues owned by that queue manager will be recovered correctly when the Queue Manager is restarted. That Queue Manager is the only one who has access to those messages.
The Repository is used to hold information about the Cluster. Which Queue Managers are in the Cluster, where these Queue Managers reside, which Queues have been declared as Cluster Queues, etc. etc.
Cheers,
_________________
Eddie Atherton
IBM Certified Solution Developer - WebSphere Message Broker V6.1
IBM Certified Solution Developer - WebSphere Message Broker V7.0 |
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| pichelma |
| Posted: Mon Mar 18, 2002 2:12 pm Post subject: |
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Apprentice
Joined: 11 Mar 2002
Posts: 25
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