On an IBM x3550 with aacraid messages like "Host adapter reset request. SCSI hang ?" cause the filesystem to go read-only

Solution Verified - Updated -

Issue

The filesystem goes read-only after messages like the following:

kernel: aacraid: Host adapter abort request (0,0,2,0)
kernel: aacraid: Host adapter abort request (0,0,1,0)
kernel: aacraid: Host adapter abort request (0,0,2,0)
kernel: aacraid: Host adapter abort request (0,0,1,0)
kernel: aacraid: Host adapter abort request (0,0,2,0)
kernel: aacraid: Host adapter abort request (0,0,0,0)
kernel: aacraid: Host adapter abort request (0,0,0,0)
kernel: aacraid: Host adapter abort request (0,0,2,0)
kernel: aacraid: Host adapter abort request (0,0,2,0)
kernel: aacraid: Host adapter reset request. SCSI hang ?
kernel: aacraid: Host adapter reset request. SCSI hang ?

Environment

  • Red Hat Enterprise Linux 5.5
  • IBM x3550 with ServeRAID-8i, 8k, 8k-l or 8s (aacraid) Storage (firmware of the ServeRAID controller updated to version 5.2.0-16002 or newer)

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