$ dmesg [1021002.981776] blk_update_request: I/O error, dev sdb, sector 128906114 [1021202.005715] sd 2:0:0:0: timing out command, waited 180s [1021202.010184] sd 2:0:0:0: [sdb] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [1021202.010190] sd 2:0:0:0: [sdb] tag#0 Sense Key : Hardware Error [current] [1021202.010196] sd 2:0:0:0: [sdb] tag#0 Add. Sense: Internal target failure [1021202.010202] sd 2:0:0:0: [sdb] tag#0 CDB: Write(10) 2a 00 00 1d cf 80 00 00 01 00 [1021202.010206] blk_update_request: I/O error, dev sdb, sector 1953664 * https://superuser.com/questions/1102566/hdd-io-errors-is-this-definitely-a-hdd-failure-or-could-it-be-something-else-k @TaG: AtA SmarT WdC