--- title: "I/O error, dev sdb, sector xxxx" date: "2010-11-26" path: "/62-i-o-error,-dev-sdb,-sector-xxxx.html" section: "/ramblings" aliases: - "/62" - "/62-i-o-error,-dev-sdb,-sector-xxxx" - "/62.html" - "/blog/ioerrordevsdbsectorxxxx" - "/ramblings/62-i-o-error,-dev-sdb,-sector-xxxx.html" --- One server started showing the following error: ``` Nov 26 06:26:40 apple kernel: [212946.496906] sd 1:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK Nov 26 06:26:40 apple kernel: [212946.496938] end_request: I/O error, dev sdb, sector 1642332223 Nov 26 06:26:40 apple kernel: [212946.496960] sd 1:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK ``` Various search's in Google reveal this is a common sign of drive failure... luckily, in this case, this is a drive with no importance! Ref: