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| File System Full on RDQM |
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| JosephGramig |
 Posted: Thu Aug 15, 2024 4:01 am Post subject: |
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Grand Master
Joined: 09 Feb 2006
Posts: 1244
Location: Gold Coast of Florida, USA
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| fjb_saper wrote: |
Never delete the DLQ. Rather try the following:
Run a DLQ handler to discard the messages on the DLQ.
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You know fjb, in 1995 I learned the QMgr might could need to be running to done do that.  |
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| gbaddeley |
| Posted: Thu Aug 15, 2024 4:38 pm Post subject: |
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Jedi Knight
Joined: 25 Mar 2003
Posts: 2538
Location: Melbourne, Australia
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How about creating a temporary qmgr, move the big DLQ queue file to it, start the qmgr, clear the queue (or whatever), stop qmgr, move the shrunken queue file back to the original qmgr.
I haven't actually tried this, and its not mentioned in the IBM MQ docs anywhere.
Its much easier to ask the sys admin for a temporary size increase on the file system, to allow the qmgr to be started, and to deal with the big queues.
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| JosephGramig |
| Posted: Fri Aug 16, 2024 11:16 am Post subject: |
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Grand Master
Joined: 09 Feb 2006
Posts: 1244
Location: Gold Coast of Florida, USA
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| gbaddeley wrote: |
| Its much easier to ask the sys admin for a temporary size increase on the file system, to allow the qmgr to be started, and to deal with the big queues. |
You missed the part about this being RDQM. Not so easy to expand the file system. Good idea about the temp QMgr to blast garbage out the  . |
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| fjb_saper |
| Posted: Fri Aug 16, 2024 11:29 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20767
Location: LI,NY
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| JosephGramig wrote: |
| gbaddeley wrote: |
| Its much easier to ask the sys admin for a temporary size increase on the file system, to allow the qmgr to be started, and to deal with the big queues. |
You missed the part about this being RDQM. Not so easy to expand the file system. Good idea about the temp QMgr to blast garbage out the . |
Well Joe, sometimes the qmgr just looks dead and as soon as you clear the offending queue (here the DLQ) it goes on its merry way like nothing happened...) You might have to run the DLQ handler remotly though if it is an RDQM manager...
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| hughson |
| Posted: Mon Aug 19, 2024 1:10 pm Post subject: |
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Padawan
Joined: 09 May 2013
Posts: 1967
Location: Bay of Plenty, New Zealand
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My comment is not a solution to your stopped queue manager, but more a suggestion to ensure the same does not happen again. Remember that now in modern versions of MQ (V9.1.5 and above), you can limit the size of the queue file, so a single queue cannot fill the whole file system.
Have a read about queue attribute MAXFSIZE. Here are some pages:-
Cheers,
Morag
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Morag Hughson @MoragHughson
IBM MQ Technical Education Specialist
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| JosephGramig |
| Posted: Mon Feb 10, 2025 8:54 am Post subject: |
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Grand Master
Joined: 09 Feb 2006
Posts: 1244
Location: Gold Coast of Florida, USA
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Upon further review, there is a userdata directory for any files like the kind discussed here to just occupy space in case. It is a sibling to errors for a QMgr. This is also documented and it comes with warnings.
There are also warnings to not mess with the directories where queues or objects exist. |
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