System went to hang with lots of IO offline messages on mpt2sas in Red Hat Enterprise Linux 5

Solution In Progress - Updated -

Issue

  • System was not responding and could see the below error messages beforehand.
sd 0:2:0:0: rejecting I/O to offline device
sd 0:2:0:0: rejecting I/O to offline device
sd 0:2:0:0: rejecting I/O to offline device
sd 0:2:0:0: rejecting I/O to offline device
sd 0:2:0:0: rejecting I/O to offline device
SysRq : Trigger a crashdump

Environment

  • Red Hat Enterprise Linux 5.8 or earlier

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