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IY87626 workarounds

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mattfarney

Posted: Fri Jan 18, 2008 12:01 pm Post subject: IY87626 workarounds

Disciple

Joined: 17 Jan 2006
Posts: 167
Location: Ohio

I have a QM that has the issue detailed in this APAR:
http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg1IY87626

I have begun the process of testing that fix pack before pushing it out to production.

I have two questions:
(1) Is there a workaround for this? I cannot think of one.

(2) Will the cluster workload exit skip a channel that is Indoubt?

-mf

mvic

Posted: Tue Jan 29, 2008 5:16 pm Post subject: Re: IY87626 workarounds

Jedi

Joined: 09 Mar 2004
Posts: 2080

mattfarney wrote:

(1) Is there a workaround for this? I cannot think of one.

(2) Will the cluster workload exit skip a channel that is Indoubt?

-mf

Questions that would have to be asked to IBM Support.

Nigelg

Posted: Tue Jan 29, 2008 9:53 pm Post subject:

Grand Master

Joined: 02 Aug 2004
Posts: 1046

Quote:

IY87626 - RESOLVE CHL ON AN AUTO CLUSTER SENDER CHANNEL ( IN INDOUBT STATE ) FAILS with xecL_E_INVALID_PARAM.

There is no workround. You could install a fix for the APAR. I think IBM have them available for a variety of platforms and maintenance levels. Alternatively, you could install 6.0.2.2 which contains a fix for the APAR.

The easiest way to resolve a channel is to let WMQ do it by starting the channel. Is that not possible?

The workload exit will not ignore an indoubt channel, but since such a channel will either be STOPPED or RETRYING it will not be chosen ahead of a channel which is INACTIVE or RUNNING. See one of the many posts which discuss the workload balancing algorithm.
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mattfarney

Posted: Wed Jan 30, 2008 9:16 am Post subject:

Disciple

Joined: 17 Jan 2006
Posts: 167
Location: Ohio

We did let it go for that weekend, while we researched and tested the patch.
In the interim, the indoubt status was resolved by MQ.

Self correction. Amazing.

-mf

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