dmpevents.log report errors "reservation conflict"

Problem

When the io fencing is enable , dmpevents.log report all luns reservation conflict errors.

Error Message

Wed Jun 29 14:50:50.358: SCSI error occured on Path emcpower125s2: opcode=0x5f reported reservation conflict (status=0x18, key=0x0, asc=0x0, ascq=0x0)
Wed Jun 29 14:51:27.632: SCSI error occured on Path emcpower125s2: opcode=0x5f reported reservation conflict (status=0x18, key=0x0, asc=0x0, ascq=0x0)
Wed Jun 29 14:51:41.610: SCSI error occured on Path emcpower125s2: opcode=0x5f reported reservation conflict (status=0x18, key=0x0, asc=0x0, ascq=0x0)
Wed Jun 29 14:54:56.743: SCSI error occured on Path emcpower125s2: opcode=0x5f reported reservation conflict (status=0x18, key=0x0, asc=0x0, ascq=0x0)
Wed Jun 29 14:55:21.888: SCSI error occured on Path emcpower64s2: opcode=0x5f reported reservation conflict (status=0x18, key=0x0, asc=0x0, ascq=0x0)
Wed Jun 29 15:01:08.591: SCSI error occured on Path emcpower65s2: opcode=0x5f reported reservation conflict (status=0x18, key=0x0, asc=0x0, ascq=0x0)
Wed Jun 29 15:01:09.249: SCSI error occured on Path emcpower66s2: opcode=0x5f reported reservation conflict (status=0x18, key=0x0, asc=0x0, ascq=0x0)
 

Solution

These messages can come up at both time, during fail over, or system boot when disk groups in fail over service groups are getting imported.these message can be safely ignored.


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