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| Media failure/recovery of an MQ manager and its objects |
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| rmbowma |
 Posted: Tue Dec 16, 2008 12:58 pm Post subject: Media failure/recovery of an MQ manager and its objects |
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Apprentice
Joined: 24 Mar 2005
Posts: 28
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When I think of linear logging, I mostly think of it in terms of transactional units of work for a persistent message. But, linear logging has a media recovery aspect to it, too.
I've never seen an IBM presentation, Redbook, best practices doc, or anything that recommends how/what/when to use the rcdmqimg and rcrmqobj to backup/restore a MQ manager and its objects in the event of media failure.
I realize the answer is "it depends" but should the rcdmqimg command be issued every night? Every week? Can I just issue one rcdmqimg for the entire MQ manager and from it, restore any and all MQ objects? What if I take nightly backups of my drives where my /data and /log files are at? Why do I then even need to do a rcdmqimg at all?
I'm looking for real-life implementations of media recovery strategies and appreciate any that the community has to share. |
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| gbaddeley |
| Posted: Tue Dec 16, 2008 2:56 pm Post subject: |
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Jedi Knight
Joined: 25 Mar 2003
Posts: 2538
Location: Melbourne, Australia
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There is a fairly old IBM redbook "MQSeries Backup and Recovery" at http://www.redbooks.ibm.com/abstracts/sg245222.html
A daily rcdmqimg is usually OK, but if your object definitions don't change very often running SupportPac MS03 (save qmgr) once a week could be a suitable substitute.
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Glenn |
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| fjb_saper |
| Posted: Tue Dec 16, 2008 3:13 pm Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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| gbaddeley wrote: |
There is a fairly old IBM redbook "MQSeries Backup and Recovery" at http://www.redbooks.ibm.com/abstracts/sg245222.html
A daily rcdmqimg is usually OK, but if your object definitions don't change very often running SupportPac MS03 (save qmgr) once a week could be a suitable substitute. |
It all depends on the volume and persistence of the messages going through your environment. We run rcdmqimg every hour right before running MS0L. Archive multiple times a day or not at all that day... depends all on traffic and logsize of course.
Have fun 
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