Again RAID's port 0 :
3w-9xxx: scsi4: AEN: INFO (0x04:0x0029): Verify started:unit=0. 3w-9xxx: scsi4: AEN: INFO (0x04:0x002B): Verify completed:unit=0. 3w-9xxx: scsi4: AEN: WARNING (0x04:0x0023): Sector repair completed:port=0, LBA=0x380C828E. 3w-9xxx: scsi4: AEN: ERROR (0x04:0x0002): Degraded unit:unit=0, port=0. 3w-9xxx: scsi4: AEN: INFO (0x04:0x000B): Rebuild started:unit=0. 3w-9xxx: scsi4: AEN: INFO (0x04:0x0005): Rebuild completed:unit=0.