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MQSeries.net Forum Index » IBM MQ Installation/Configuration Support » Problem uninstalling rpm on linux

Problem uninstalling rpm on linux

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decaf

Posted: Wed Oct 05, 2005 7:52 am Post subject: Problem uninstalling rpm on linux

Novice

Joined: 27 Apr 2004
Posts: 12

A team member botched the install of MQ on a SUSE LINUX Enterprise Server 9 (i586) box. We'd like to uninstall and reinstall the product. We're having problems doing an uninstall of CSD08.

lintrf3stg:/opt/mqm # rpm -e MQSeriesMan-U497537-5.3.0-8
ERROR: Failed to clean System V IPC Resources
Please ensure no WebSphere MQ processes are running and
run /opt/mqm/bin/amqiclen -x as a root user
before removing this maintenance package
error: %preun(MQSeriesMan-U497537-5.3.0-

scriptlet failed, exit status 1

When I try running /opt/mqm/bin/amqiclen -x as a root user and also add the -v option, I get the following error:

lintrf3stg:/opt/mqm # /opt/mqm/bin/amqiclen -x -v
Unable to get subpools lock. mqs.ini does not exist.
lintrf3stg:/opt/mqm #

I can't uninstall at this point.

Any ideas?

wschutz

Posted: Wed Oct 05, 2005 8:16 am Post subject:

Jedi Knight

Joined: 02 Jun 2005
Posts: 3316
Location: IBM (retired)

Did you try to remove the shared segments manually (ipcs and ipcrm)??
_________________
-wayne

decaf

Posted: Thu Oct 06, 2005 5:54 am Post subject:

Novice

Joined: 27 Apr 2004
Posts: 12

Yes, I did try the manual method, but ipcs didn't show any resources. Here's a technote IBM support pointed me to, and it did solve the problem.

Problem
You are trying to apply a Fix Pack (formerly CSD) to a WebSphereÂ® MQ v5.3 . The Fix Pack installation fails with the following error:

ERROR: Failed to clean System V IPC Resources. Please run "/opt/mqm/bin/amqiclen -x" as a root user before installing this ptf.

You run "/opt/mqm/bin/amqiclen -x" as a root user as instructed and Fix Pack install still fails. You run "ipcs | grep mqm" and do not find any IPC resources owned by mqm.

Cause
The Fix Pack install relies on the amqiclen utility to ensure WebSphere MQ is not running. It is not clear why the amqiclen utility believes all IPC resources are not cleaned up.

Solution
Create a symbolic link to /usr/bin/true
rename amqiclen

ln -s /usr/bin/true /opt/mqm/bin/amqiclen
or
ln -s /usr/bin/true /usr/mqm/bin/amqiclen

The Fix Pack install script relies on amqiclen to return true in order to continue. /usr/bin/true will always return true to the Fix Pack install script and the Fix Pack installation will continue.
If the Fix Pack install does not install amqiclen then restore the original amqiclen replacing the symbolic link to /usr/bin/true.

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