Issue

• /var/log/messages reports

  kernel: sd 2:0:0:86: SCSI error: return code = 0x000e0000
  kernel: end_request: I/O error, dev sdcj, sector 18152688
  

• With ISCSI storage, we could see

Jun 22 14:49:40 hostname kernel:  connection7:0: ping timeout of 5 secs expired, recv timeout 5, last rx 39127843010, last ping 39127848010, now 39127853010
Jun 22 14:49:40 hostname kernel:  connection7:0: detected conn error (1011)
Jun 22 14:49:41 hostname iscsid: Kernel reported iSCSI connection 7:0 error (1011) state (3)
Jun 22 14:49:44 hostname iscsid: connection7:0 is operational after recovery (1 attempts)
Jun 22 14:50:27 hostname kernel:  connection7:0: ping timeout of 5 secs expired, recv timeout 5, last rx 39127889989, last ping 39127894989, now 39127899989
Jun 22 14:50:27 hostname kernel:  connection7:0: detected conn error (1011)
Jun 22 14:50:29 hostname iscsid: Kernel reported iSCSI connection 7:0 error (1011) state (3)
Jun 22 14:50:32 hostname iscsid: connection7:0 is operational after recovery (1 attempts)
Jun 22 14:50:42 hostname kernel:  connection7:0: ping timeout of 5 secs expired, recv timeout 5, last rx 39127904321, last ping 39127909321, now 39127914321
Jun 22 14:50:42 hostname kernel:  connection7:0: detected conn error (1011)
Jun 22 14:50:42 hostname kernel: sd 7:0:0:0: Unhandled error code
Jun 22 14:50:42 hostname kernel: sd 7:0:0:0: SCSI error: return code = 0x000e0000
Jun 22 14:50:42 hostname kernel: Result: hostbyte=DID_TRANSPORT_DISRUPTED driverbyte=DRIVER_OK,SUGGEST_OK
Jun 22 14:50:42 hostname kernel: sd 7:0:0:0: Unhandled error code
Jun 22 14:50:42 hostname kernel: sd 7:0:0:0: SCSI error: return code = 0x000e0000
Jun 22 14:50:42 hostname kernel: Result: hostbyte=DID_TRANSPORT_DISRUPTED