主数据驱动器产生I/O错误

Question

我的主要数据驱动器出现了各种奇怪的I/O错误：

(tail of dmesg output)
[ 7081.267852] sd 4:0:0:0: [sdb] Unhandled error code
[ 7081.267856] sd 4:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[ 7081.267860] sd 4:0:0:0: [sdb] CDB: Read(10): 28 00 36 c4 48 d0 00 00 08 00
[ 7081.267870] end_request: I/O error, dev sdb, sector 918833360
[ 7081.270431] sd 4:0:0:0: [sdb] Unhandled error code
[ 7081.270435] sd 4:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[ 7081.270439] sd 4:0:0:0: [sdb] CDB: Read(10): 28 00 36 c4 48 d0 00 00 08 00
[ 7081.270449] end_request: I/O error, dev sdb, sector 918833360
[ 7081.468662] sd 4:0:0:0: [sdb] Unhandled error code
[ 7081.468667] sd 4:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[ 7081.468671] sd 4:0:0:0: [sdb] CDB: Read(10): 28 00 36 c4 48 d0 00 00 08 00
[ 7081.468681] end_request: I/O error, dev sdb, sector 918833360
saad@Home-Server:~$ tail /var/log/syslog
Mar 15 14:23:19 Home-Server kernel: [ 7081.270431] sd 4:0:0:0: [sdb] Unhandled error code
Mar 15 14:23:19 Home-Server kernel: [ 7081.270435] sd 4:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
Mar 15 14:23:19 Home-Server kernel: [ 7081.270439] sd 4:0:0:0: [sdb] CDB: Read(10): 28 00 36 c4 48 d0 00 00 08 00
Mar 15 14:23:19 Home-Server kernel: [ 7081.270449] end_request: I/O error, dev sdb, sector 918833360
Mar 15 14:23:19 Home-Server kernel: [ 7081.468662] sd 4:0:0:0: [sdb] Unhandled error code
Mar 15 14:23:19 Home-Server kernel: [ 7081.468667] sd 4:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
Mar 15 14:23:19 Home-Server kernel: [ 7081.468671] sd 4:0:0:0: [sdb] CDB: Read(10): 28 00 36 c4 48 d0 00 00 08 00
Mar 15 14:23:19 Home-Server kernel: [ 7081.468681] end_request: I/O error, dev sdb, sector 918833360

车坏了吗？还是mbr腐败问题？

Answer 1

它不太可能是MBR这么远-要么是一个驱动器问题或随机腐败，支持它快速如果你还没有！

然后，您会想要运行fsck & badblocks在它之上：

sudo -i
fsck -t ext4 /dev/sdb1 # or whatever partition it is..
e2fsck -c /dev/sdb

badblocks手册页建议这样做，而不是直接这样做。如果它有智能监控，那么查看日志，并为此运行测试。