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| CSQUTIL - Can you LOAD to a remote queue? |
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| queuetip |
 Posted: Tue Aug 29, 2006 4:12 pm Post subject: CSQUTIL - Can you LOAD to a remote queue? |
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Acolyte
Joined: 03 Feb 2005
Posts: 67
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Background:
If you run CSQUTIL to copy data from a LOCAL queue to a flat file - it does a "block copy". That is, not message by message...but rather memory by memory or pageset by pageset copy. Thus, messages could span these "blocks". This process works great.
Question:
When writing to a remote queue, what happens under the covers? Unlike a local queue, the remote queue properties info is copied into the MQMD header of each message and sent out on the transmission queue, right?
Well, is MQSeries smart enough to recognize the data is a block copy rather than a message buffer? I would suspect during the LOAD it would also struggle to properly stuff the appropriate MQMD information into the message. Especially, considering messages could be spanned across blocks! We are having problems getting the messages off the queue after they have arrived on the target platform...maybe because we are using logical sequencing? Thoughts?
Can someone please prove or disprove this theory? Thanks!
Mike  |
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| wschutz |
| Posted: Tue Aug 29, 2006 5:03 pm Post subject: |
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Jedi Knight
Joined: 02 Jun 2005
Posts: 3316
Location: IBM (retired)
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Well, have to tried it? I assume you mean specify the QREMOTE name on the LOAD() command... frankly, I wouldn't think you could do it ....
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-wayne |
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| queuetip |
| Posted: Wed Aug 30, 2006 7:50 am Post subject: |
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Acolyte
Joined: 03 Feb 2005
Posts: 67
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| wschutz wrote: |
| Well, have to tried it? I assume you mean specify the QREMOTE name on the LOAD() command... frankly, I wouldn't think you could do it .... |
Yes - your assumption about QREMOTE for LOAD() command is correct, Wayne.
Yes - we have tried it. It did not abend. It SEEMED to work. Messages were sent to the correct remote QMGR and target QUEUE. So we had reason for hope at that point......however, when another app tried to pull them of the queue (using message sequencing for GMO and GET)......the messages were not retrieved correctly every time. sometimes and sometimes not.
The CSQUTIL load to the remote queue COULD be the problem...but so much appears to be working that it's hard to say it doesn't! But like you said, it probably should NOT work.
I didn't see any limitations or restrictions mentioned in the LOADING to REMOTE queue documentation...but then again - it didn't say it would work either!
Could someone from IBM confirm if their product can LOAD to REMOTE queues? (especially for loading group indexed data)
Thank you!
Mike |
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| wschutz |
| Posted: Wed Aug 30, 2006 8:31 am Post subject: |
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Jedi Knight
Joined: 02 Jun 2005
Posts: 3316
Location: IBM (retired)
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I'd suggest opening a PMR and asking the question, that's the best way to get an "official" answer.....
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-wayne |
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| queuetip |
| Posted: Wed Aug 30, 2006 8:52 am Post subject: |
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Acolyte
Joined: 03 Feb 2005
Posts: 67
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OK, Wayne. Thanks...but what's a PMR and can I open it from this site?
(MQSeries works so well for us that I haven't reported anything in years - not kidding, either) |
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| jefflowrey |
| Posted: Wed Aug 30, 2006 9:57 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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This is not an IBM sponsored website.
PMRs are official "program maintenance requests" or something similar - they are problem tickets with IBM.
You can open one either by calling the IBM support line, or by using an electronic tool available through either the Partner World or Passport Advantage portions of IBM's website - but you'll need to know how to log onto those first.
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I am *not* the model of the modern major general. |
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| bruce2359 |
| Posted: Fri Sep 22, 2006 12:47 pm Post subject: |
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Guest
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| CSQUTIL doc in the System Admin Guide for z/OS states that S(COPY) command can only be used for local queues. This seems a strange (redundant) thing to say since MQGET only applies to local queues. Do you suppose that the doc should have stated this restriction for LOAD? |
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