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| Questions on message replication on Z/OS, MA01? |
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| ghollaba |
 Posted: Wed May 30, 2007 6:06 am Post subject: Questions on message replication on Z/OS, MA01? |
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Newbie
Joined: 23 Apr 2003
Posts: 4
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We have messages that need to be duplicated after they arrive on an MQSeries queue on a Z/OS qmgr. We use supportpac MA01 on distributed platforms and would like to use it on Z/OS but would appreciate any suggestions from current users. Several hundred messages arrive on this queue throughout the day so the queue replication program may be triggered hundreds of times which seem to concern our Z/OS operations people.
1) Can MA01 be used as a started task on Z/OS and if so is it within the jcl that you configure?
2) Is it recommended to run as a started task?
3
Would appreciate any suggestions.
thanks |
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| jefflowrey |
| Posted: Wed May 30, 2007 6:30 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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Just change the sending programs to send to more than one queue!
Or use Pub/Sub.
Or change the sending programs to properly audit what they send, and receiving programs to properly audit what they receive, so that you aren't trying to solve a business problem in your infrastructure.
Otherwise, I sincerely doubt that any program that was not specifically written to run on zOS will run on zOS.
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| tleichen |
| Posted: Wed May 30, 2007 7:44 am Post subject: |
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Yatiri
Joined: 11 Apr 2005
Posts: 663
Location: Center of the USA
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The support pac description says the following: 
| Quote: |
Abstract
This SupportPac contains a simple pipe line program (Q) which takes messages from one source and outputs to a target.
Download Description
This SupportPac contains a simple pipe line program (Q) which takes messages from one source and outputs to a target. Versions of it are provided for running on Windows, AIX, HP-UX, Sun Solaris, Linux, zLinuz and z/OS. |
As for running it as a started task, it would probably need to be modified to run as such to get all the cleanup to work properly. You would probably want it to stay running and send commands into it, which is not the way it is currently architected. Otherwise, you would be repeatedly starting a started task every time you used it, which is usually frowned upon in z/OS circles. I would think your ops people would be more concerned about that than triggering a regular task. 
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Last edited by tleichen on Wed May 30, 2007 7:57 am; edited 1 time in total |
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| jefflowrey |
| Posted: Wed May 30, 2007 7:56 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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Well. I guess maybe the documentation has more instructions?
I don't use this, it's never seemed to add a lot of value, except as a crutch for where a real application should be written. But that's really only my own personal opinion, and probably doesn't apply to anyone else.
Or you could always contact the author about using it as a started task.
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| tleichen |
| Posted: Wed May 30, 2007 8:05 am Post subject: |
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Yatiri
Joined: 11 Apr 2005
Posts: 663
Location: Center of the USA
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| jefflowrey wrote: |
| ...I don't use this, it's never seemed to add a lot of value, except as a crutch for where a real application should be written. ... |
I concur. If someone is using MA01 for production, I think it is rather fool-hearted. It's just a way to try to avoid programming. 
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| ghollaba |
| Posted: Thu May 31, 2007 11:48 am Post subject: MA01 in ZOS |
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Newbie
Joined: 23 Apr 2003
Posts: 4
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Appreciate all the replies.
I totally agree we are trying to fix a business issue with infrastructure but we have to pick the lesser of several evils.
We have MA01 working on ZOS but when we try to send to more than 1 output queue it errors out. Does this sound right? |
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| tleichen |
| Posted: Thu May 31, 2007 11:54 am Post subject: |
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Yatiri
Joined: 11 Apr 2005
Posts: 663
Location: Center of the USA
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The MA01 support pack states specifically what it does. To expect it to do something that is in excess of what it was designed to do without rearchitecting the code is not logical. 
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