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MQSeries.net Forum Index » IBM MQ Installation/Configuration Support » QueueManager Stopping and Starting Problem

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Trainee
PostPosted: Tue Apr 17, 2007 6:37 am    Post subject: QueueManager Stopping and Starting Problem Reply with quote

Centurion

Joined: 27 Oct 2006
Posts: 124

Hi ,

Every time we need we stop Queue Managers with -i (immediate) option in our organization.Later IBM suggested that without -i is good and we try to do it on production while doing migration.

In one incident While stopping the queue manager associated with Broker without -i option it took nearerly 15 minutes and still Quiescing(Offcourese I stopped the Broker already).So then I killed the processes associted with the queue manager and it got ended abnoramally. Does this really harm the queue manager. This queue manager is in cluster also and complined about the cluster sender channel stopped abnormally.

We have 'q' program to move the messages from one Queue to Other Queue on the same queue manager and it is beaing called every15 minutes(crontab entry).

My questions are

1) Stopping the queue manger by killing the processes running againest to it leads any problem.Is there any process which should not kill at all something like that

2) As we have 'q' program to move the messages ..Do I need to stop that q program before stopping the queue manager?

3) Abnormal shout down indicates some thing wrong with the queue manager?
4) Do I need to Suspend the Queue Manager from the cluster as it complined ClusterSender channel got stopped abnormally when I try to stop it..?Queue Manager in cluster will take more time to get it stopped
5) What will happen to the messages in the message flows when I stop the Broker and then Stop the Queue Manager with -i option

Please advice...through some light on it

Thank you
Trainee
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jefflowrey
PostPosted: Tue Apr 17, 2007 6:48 am    Post subject: Reply with quote

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981

I'd say you have applications that aren't using FAIL_IF_QUIESCE.
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bruce2359
PostPosted: Tue Apr 17, 2007 7:28 am    Post subject: Reply with quote

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Look at the 'q' program source code. Does the program do an MQGET with wait option? I'd guess that the waitinterval is set for 15 minutes. MQGET with wait is an active MQ call. The -c and -i quiesce options allow active MQ calls to complete.
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fjb_saper
PostPosted: Tue Apr 17, 2007 6:48 pm    Post subject: Reply with quote

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY

And make sure to SUSPEND the qmgr from the cluster before shutdown.
This effectively redirects all traffic that CAN be load balanced in the cluster to another qmgr in the cluster. This will help by lessening the traffic on the qmgr about to shut donw...
Enjoy
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Trainee
PostPosted: Wed Apr 18, 2007 6:04 am    Post subject: Reply with quote

Centurion

Joined: 27 Oct 2006
Posts: 124

Thanks alot

1.Can I kill the process which are running againest a queue manager

2.What will happen to the messages in the message flows when I stop the Broker and then Stop the Queue Manager with -i option
3. Does Abnormal shout down indicates some thing wrong with the queue manager?

Thank you

Trainee
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