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| MQWays |
 Posted: Sun Nov 02, 2008 12:00 pm Post subject: Queue Corruption |
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Acolyte
Joined: 20 Jan 2008
Posts: 61
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| Is there such a thing as Queue Corruption i.e. only one of the local queues fails within the queue manager and all other queues are intact. |
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| atheek |
| Posted: Sun Nov 02, 2008 12:02 pm Post subject: |
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Partisan
Joined: 01 Jun 2006
Posts: 327
Location: Sydney
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| Vitor |
| Posted: Sun Nov 02, 2008 1:49 pm Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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A queue is just a file stored on a disk and is as vunerable as any other file to corruption.
There are various strategies for recovering from the scenario you describe. They've been discussed in the forum, and you'll also find some helpful IBM documentation on the subject.
The strategy you select will depend a lot on your situation and how serious such a failure is for you.
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| bruce2359 |
| Posted: Sun Nov 02, 2008 2:43 pm Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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Most of the queue corruption I've stumbled upon resulted from a sysmin altering the filesystem permissions from what WMQ installation set them; then editing/erasing/renaming this or that - not understanding what the implications were. In other words: a self-inflicted wound.
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ב''ה
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| ranganathan |
| Posted: Mon Nov 03, 2008 2:44 am Post subject: |
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Centurion
Joined: 03 Jul 2008
Posts: 104
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There are ways to recover a corrupted queue.. (provided you use appropriate logging mechanism)  |
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| gs |
| Posted: Mon Nov 03, 2008 7:46 am Post subject: |
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Master
Joined: 31 May 2007
Posts: 254
Location: Sweden
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We once asked a UK MQ team to clear a queue we didn't control and a team member happily replied that he had successfully removed the q file  |
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| SAFraser |
| Posted: Mon Nov 03, 2008 11:12 am Post subject: |
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Shaman
Joined: 22 Oct 2003
Posts: 742
Location: Austin, Texas, USA
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| What led you to the conclusion that the queue is corrupted? Did you get a "corrupted object" message in runmqsc? I am not exactly sure what you mean by the phrase "one of the local queues fails". As a previous poster noted, a queue is just a file on disk. Perhaps you could share some details of the exact problem you are facing. |
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