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| davisrad |
 Posted: Mon Apr 05, 2004 6:11 am Post subject: AIX Log files |
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Newbie
Joined: 05 Apr 2004
Posts: 1
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I have a few (hopefully) easy questions on Log files running MQv5.3 on AIX 5.1ML3 . As you can see I am new to MQ series.
First:the logs were configured as CIRCULAR, can I change them to LINEAR?
Second:How do you read the logs?
Third:Do the logs hold "inbound and outbound" activity? |
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| jefflowrey |
| Posted: Mon Apr 05, 2004 6:31 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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- Yes, but you have to delete and recreate the queue manager
- Normally, you shouldn't. Search here, though, and you'll find references to some commands that will let you read them to an extent.
- No, not exactly. They're transaction logs, not activity logs.
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I am *not* the model of the modern major general. |
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| techno |
| Posted: Tue Apr 06, 2004 7:37 am Post subject: |
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Chevalier
Joined: 22 Jan 2003
Posts: 429
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what is the diff between activity and transactions? I see these terms being used with different meanings...
thanks |
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| jefflowrey |
| Posted: Tue Apr 06, 2004 8:04 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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| techno wrote: |
| what is the diff between activity and transactions? I see these terms being used with different meanings... |
Umm...
Activity is anything that happens, any event - all of the things that happen with the system.
A transaction is a unit of work, a set of activities that need to be performed together or fail together.
The MQSeries logs are used (as far as I know) to hold message data while it is part of a transaction - inside a unit of work - and uncommitted. This includes while data is moving across channels, and may include some record of persistant messages.
But if you are using non-persistant messages between two apps on the same QM, then you likely won't see any record of the activity they generate.
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| techno |
| Posted: Tue Apr 06, 2004 9:18 am Post subject: |
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Chevalier
Joined: 22 Jan 2003
Posts: 429
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| I guess changes to mq objects also get stored, in case of linear logs. Am I right? |
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| jefflowrey |
| Posted: Tue Apr 06, 2004 9:22 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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| techno wrote: |
| I guess changes to mq objects also get stored, in case of linear logs. Am I right? |
I didn't think so, but there is a Queue Attributes element in the logs, according to Chapter 14 of the System Administration guide.
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| Michael Dag |
| Posted: Tue Apr 06, 2004 11:09 am Post subject: |
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Jedi Knight
Joined: 13 Jun 2002
Posts: 2607
Location: The Netherlands (Amsterdam)
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changes to queues are logged in the logs, on the z/OS version you can even audit them,
unfortunatly not available on distributed platforms 
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Michael
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| techno |
| Posted: Tue Apr 06, 2004 1:53 pm Post subject: |
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Chevalier
Joined: 22 Jan 2003
Posts: 429
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Linear logging is done for:
Restart Recovery
Media Recovery
I thought media recovery is for mq objects! |
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