This issue has been spotted on AIX clients using 16Gb FC adapters.
8Gb adapters doesn't show this problem.
To fix this problem we need to install at least 9.05 b106 patches (9.06 preferred) and set these parameters in the .omnirc file in the AIX Media Agent:
OB2FORCE_AIX_FC_SCSI_VER=0
OB2CLEAR_AIX_SC_Q_CLR_SETTING=1
For more details please check this: