SCSI operations failing on storage device due to Unit attention conditions in RHEL

Solution Unverified - Updated -

Issue

  • Running sg_persist fails due to unit attention
# /usr/bin/sg_persist -d /dev/sdao --read-keys
IBM       2145              0000
  Peripheral device type: disk
PR in: unit attention 

Environment

  • Red Hat Enterprise Linux (RHEL) 5
  • Red Hat Enterprise Linux (RHEL) 6

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