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| z/OS Queue Sharing in Clustered Environment |
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| dkinlen |
 Posted: Thu Oct 20, 2005 10:39 am Post subject: z/OS Queue Sharing in Clustered Environment |
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Newbie
Joined: 18 Jun 2002
Posts: 3
Location: Plymouth, MN
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Is there a reason to have Point to Point channels defined in a cluster for three QMG's sharing Queues? We have three z/OS qmgrs that have some QSG's and they also are part of the same cluster along with numerous distributed QMGRs.
I have been digging though books to answer the question, but there is no documented reason for what I can see.
Anyone have a really good book in this area?
Or even a white paper would be good.
Thanks in Advance.  |
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| wschutz |
| Posted: Thu Oct 20, 2005 10:42 am Post subject: |
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Jedi Knight
Joined: 02 Jun 2005
Posts: 3316
Location: IBM (retired)
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| Quote: |
| Is there a reason to have Point to Point channels defined in a cluster for three QMG's sharing Queues? |
Do you mean p2p channels between the zOS qmgrs or between the zOS qmgrs and the distributed qmgrs, or both?
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-wayne |
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| dkinlen |
| Posted: Thu Oct 20, 2005 11:04 am Post subject: |
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Newbie
Joined: 18 Jun 2002
Posts: 3
Location: Plymouth, MN
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| z/OS QMGR to QMGR to QMGR Sender and receivers between the three no distributed. |
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| wschutz |
| Posted: Thu Oct 20, 2005 11:12 am Post subject: |
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Jedi Knight
Joined: 02 Jun 2005
Posts: 3316
Location: IBM (retired)
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Well, if you need to move messages between those qmgrs that you can't keep in the QSG (like >63K in V5.3 of MQ), or you don't want to keep in a QSG (like >63K in V6*) then you'd need them ....
*Note: in V6 we do allow >63K msgs in the CF, but the bits >63K wind up in DB/2, which has a performance impact.
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-wayne |
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| Mr Butcher |
| Posted: Thu Oct 20, 2005 10:41 pm Post subject: |
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Padawan
Joined: 23 May 2005
Posts: 1716
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p2p channels (cluster channels) are also recommended for full repository queuemanagers.
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Regards, Butcher |
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