SAN issue causing server hang while logging lpfc 0729 messages with 'status: x3'

Solution Verified - Updated -

Issue

  • There was a SAN fabric issue which caused one of the production server hang, at the time of issue, there were following messages logged on console:

Jul 23 9:18:42 host1 kernel: lpfc 0000:90:00.0: 1:(0):0749 SCSI Layer I/O Abort Request Status x2002 ID 0 LUN 24 snum 0x64cee3d
:
Jul 23 9:18:52 host1 kernel: lpfc 0000:90:00.0: 1:0729 FCP cmd x0 failed <0/60> status: x3 result: x16 Data: x19 xd7b
Jul 23 9:18:52 host1 kernel: lpfc 0000:90:00.0: 1:0710 Iodone <0/60> cmd ffff810778ba9500, error xd0000 SNS x0 x0 Data: x0 x0
Jul 23 9:18:52 host1 kernel: lpfc 0000:90:00.0: 1:(0):0749 SCSI Layer I/O Abort Request Status x2002 ID 0 LUN 60 snum 0x64cee3b
Jul 23 9:19:01 host1 logger: mpio_path_drop.sh: 'SCSI Layer I/O Abort' found under 0000:90:00.0.
[...]

Environment

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