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MQSeries.net Forum Index » IBM MQ Installation/Configuration Support » multi instance queue manager

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mqmResearcher
PostPosted: Sun Jul 31, 2011 11:10 pm    Post subject: multi instance queue manager Reply with quote

Newbie

Joined: 28 Jul 2011
Posts: 7

Hello, I want to configure multi instance queue manager in windows, when I stop the running queue manager using endmqm -s command swithover takes place and the stand by queue manager become running, but when I start the stopped queue
manager using strmqm -x command and stop the running queue manager swith over doesn't take palce, can any one help me?
what could cause this problem?
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exerk
PostPosted: Mon Aug 01, 2011 12:17 am    Post subject: Reply with quote

Jedi Council

Joined: 02 Nov 2006
Posts: 6339

The manual states that "...Before you restart a failed queue manager, you must disconnect your applications from that instance of the queue manager. If you do not, the queue manager might not restart correctly...", so did you? Anything in the queue manager error logs or general error logs?
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mvic
PostPosted: Mon Aug 01, 2011 8:07 am    Post subject: Re: multi instance queue manager Reply with quote

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Joined: 09 Mar 2004
Posts: 2080

mqmResearcher wrote:
swith over doesn't take palce

Are there any error messages, in the qmgr error logs, or in /var/mqm/errors ?
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exerk
PostPosted: Mon Aug 01, 2011 8:25 am    Post subject: Re: multi instance queue manager Reply with quote

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Joined: 02 Nov 2006
Posts: 6339

mvic wrote:
Are there any error messages, in the qmgr error logs, or in /var/mqm/errors ?

That'll be <MQ_FILE_PATH>\errors as it's Windows
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mqmResearcher
PostPosted: Mon Aug 01, 2011 10:56 pm    Post subject: Reply with quote

Newbie

Joined: 28 Jul 2011
Posts: 7

the error log is:
Process(2204.1) User(mq_user) Program(amqzxma0.exe) Host(FIRSTNODE)
AMQ6184: An internal WebSphere MQ error has occurred on queue manager test101.

EXPLANATION:
An error has been detected, and the WebSphere MQ error recording routine has
been called. The failing process is process 2204.
ACTION:
Use the standard facilities supplied with your system to record the problem
identifier and to save any generated output files.
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exerk
PostPosted: Tue Aug 02, 2011 12:02 am    Post subject: Reply with quote

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Joined: 02 Nov 2006
Posts: 6339

Were you able to identify what PID 2204 was? It being Windows, and a test environment, I'd reboot both nodes, ensure no applications are running against the queue manager, snapshot the running processes, and retest the fail-over. If it fails again then it should be easier to identify the issue, or reboot again and switch on trace. I'm assuming the Windows Sys Admins don't mind their DCs being bounced!
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mqmResearcher
PostPosted: Tue Aug 02, 2011 12:03 am    Post subject: Reply with quote

Newbie

Joined: 28 Jul 2011
Posts: 7

Could slow server connections cause this problem? when I use two windows servers and use one of them to hold shared directories, if the stand by server run on the machine which holding shared data, switch over takes place but when I use 3 windows servers and shared directories reside in a separate machine from servers running MQ, switch over doesn't take place at all and I receive the error mentioned at previous post.
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exerk
PostPosted: Tue Aug 02, 2011 12:08 am    Post subject: Reply with quote

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Joined: 02 Nov 2006
Posts: 6339

mqmResearcher wrote:
Could slow server connections cause this problem? when I use two windows servers and use one of them to hold shared directories, if the stand by server run on the machine which holding shared data, switch over takes place but when I use 3 windows servers and shared directories reside in a separate machine from servers running MQ, switch over doesn't take place at all and I receive the error mentioned at previous post.

It's possible, time-outs etc. But your Sys Admins and network people should be able to identify if that's a factor.
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mvic
PostPosted: Tue Aug 02, 2011 1:09 am    Post subject: Reply with quote

Jedi

Joined: 09 Mar 2004
Posts: 2080

mqmResearcher wrote:
the error log is:
Process(2204.1) User(mq_user) Program(amqzxma0.exe) Host(FIRSTNODE)
AMQ6184: An internal WebSphere MQ error has occurred on queue manager test101.

...

ACTION:
Use the standard facilities supplied with your system to record the problem
identifier and to save any generated output files.

Open a PMR for this. There should be FDC files in MQMDIR\errors that you can supply to IBM.
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