question about maunal failover?

From: Jain, Rajeev - Contingent Staff (rajeev.jain.contractor@bcbsa.com)
Date: Thu Oct 02 2003 - 13:27:02 EDT


Managers,
I have a question about a test which I performed a few days ago and failed
Considering that I have 2 boxes i.e. CC01 and CC02 with 2 (qfe0 and qfe3)
interfaces running MQ Series

Here is what we have done

Shutdown MQ Series Server on CC01

Shutdown network interface (qfe0) and export the disk group (cc01dg) on CC01

Import disk group (cc01dg) and replace network interface (qfe3) on CC02

Start MQ Series server on CC02, test and verify MQ

Shutdown MQ Series server on CC02

Replace original settings of network interface (qfe3) and export disk group
(cc01dg) on CC02
Import disk group (cc01dg) and start network interface (qfe0) with original
settings on CC01
Start MQ Series server, test and verify MQ

Shutdown MQ Series Server on CC02

Backup MQ Application and Data to a file system for immediate restore

Shutdown network interface (qfe0) and export the disk group (cc02dg) on CC02

Import disk group (cc02dg) and replace network interface (qfe3) on CC01

Start MQ Series server on CC01, test and verify MQ

Shutdown MQ Series server on CC01

Replace original settings of network interface (qfe3) and export disk group
(cc02dg) on CC01
Import disk group (cc02dg) and start network interface (qfe0) with original
settings on CC02
Start MQ Series server, test and verify MQ

After all these steps my MQ series administrator confirmed that MQ Series is
working OK
After about 9 hours we realized that CC01 was accepting connection but was
failing to send connection out
We brought down qfe3 and everything started working fine.

Is there anything outside the box which could have caused the issue?
I would really appreciate any suggestion and answer

Rajeev
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