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Knowledge Base

AIX cannot modify fc_err_recov parameter when installing UltraPath

Publication Date:  2012-09-29  |   Views:  593  |   Downloads:  0  |   Author:  SU1000864011  |   Document ID:  EKB1000016546


Issue Description

IBM AIX 5.3-005
HBA card:LP11000
UltraPath 2.01.022
VIS 6600 v1r2
Before installing ultrapath, modify HBA card fc_err_recov parameter to fast_fail, it reminds error
# chdev -l fscsi0 -a fc_err_recov=fast_fail
Method error (/usr/lib/methods/chggen):
0514-029 Cannot perform the requested function because a
child device of the specified device is not in a correct state.

Alarm Information


Handling Process

1. If HBA card is linked to FC cable, pull out the cable first, then reset the server. Command is as follow:
shutdown –Fr
2. After reset, modify HBA card property, command is as follow:
# chdev -l fscsi0 -a fc_err_recov=fast_fail
fscsi0 changed

Root Cause

According to the remind, because sub device of HBA card state is wrong, you must reset HBA card state. So reset the server.