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MQSeries.net Forum Index » IBM MQ Installation/Configuration Support » Only one instance of RUNMQSC being allowed to run.

Only one instance of RUNMQSC being allowed to run.

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BrianO

Posted: Mon Nov 15, 2004 9:43 am Post subject: Only one instance of RUNMQSC being allowed to run.

Newbie

Joined: 15 Nov 2004
Posts: 3

Hello!

I've run into a problem with MQ in our Prod environment where only 1 instance of RUNMQSC is being allowd to run at a time. I do not see this behavior in our development environment. Is this a configuration or licensing issue? We have multiple queue managers running and should be able to run that command more than just a single time.

Thanks in advance for the help. Please let me know if you need further information from me.

-Brian

vennela

Posted: Mon Nov 15, 2004 9:50 am Post subject:

Jedi Knight

Joined: 11 Aug 2002
Posts: 4055
Location: Hyderabad, India

I never faced this restriction.
Maybe they have put a wrapper in your environment to restrcit multiple runmqsc's to prevent more than one person using it.

Can you do a which on runmqsc and see if it is the native runmqsc that you are invoking.

BrianO

Posted: Mon Nov 15, 2004 11:04 am Post subject:

Newbie

Joined: 15 Nov 2004
Posts: 3

Thanks for the reply.

Both our Dev and Prod MQ installations are using the same runmqsc program ("which runmqsc" generates the same result on both - /usr/bin/runmqsc).

Here is an error I found in the AMQERR01.LOG file (found in /app/mqm/errors/ directory):

11/15/04 11:26:46
AMQ6119: An internal WebSphere MQ error has occurred ('28 - No space left on
device' from semop.)

EXPLANATION:
MQ detected an unexpected error when calling the operating system. The MQ error
recording routine has been called.

Does this make sense to anyone?

-Brian

bower5932

Posted: Mon Nov 15, 2004 1:00 pm Post subject:

Jedi Knight

Joined: 27 Aug 2001
Posts: 3023
Location: Dallas, TX, USA

It sounds like you are on a Unix system that requires configuration of the kernel parameters and one of your semaphore values is probably too low. There are recommended values given in the Quick Beginnings manual.

BrianO

Posted: Mon Nov 15, 2004 1:50 pm Post subject:

Newbie

Joined: 15 Nov 2004
Posts: 3

Yep, that's the same conclusion my UNIX admin came up with. We definitely have a resource issue.

Thanks for the info!

-Brian

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