[其他] 软件是如何检测磁盘坏道以及扇区的损坏 [复制链接]

chengmao2010

论坛徽章:: 0

发表于 2012-05-20 19:49 |显示全部楼层

如题
磁盘检测工具是如何检测到磁盘有问题的？
是将所有的扇区都读写一遍吗？不太可能吧

现在有一块硬盘坏了，但是用smart以及badblock检测后提示没有任何故障。
磁盘错误的部分提示信息如下:
[ 1062.566854] ata3.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
[ 1062.583330] ata3.00: irq_stat 0x40000008
[ 1062.599791] ata3.00: failed command: READ FPDMA QUEUED
[ 1062.616334] ata3.00: cmd 60/00:00:3f:6c:f5/04:00:00:00:00/40 tag 0 ncq 524288 in
[ 1062.616335]       res 41/40:00:19:70:f5/00:00:00:00:00/40 Emask 0x409 (media error) <F>
[ 1062.649281] ata3.00: status: { DRDY ERR }
[ 1062.665398] ata3.00: error: { UNC }
[ 1062.685739] ata3.00: configured for UDMA/133
[ 1062.685776] sd 2:0:0:0: [sdc] Unhandled sense code
[ 1062.685778] sd 2:0:0:0: [sdc]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 1062.685781] sd 2:0:0:0: [sdc]  Sense Key : Medium Error [current] [descriptor]
[ 1062.685821] Descriptor sense data with sense descriptors (in hex):
[ 1062.685823]       72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
[ 1062.685836]       00 f5 70 19
[ 1062.685838] sd 2:0:0:0: [sdc]  Add. Sense: Unrecovered read error - auto reallocate failed
[ 1062.685841] sd 2:0:0:0: [sdc] CDB: Read(10): 28 00 00 f5 6c 3f 00 04 00 00
[ 1062.685846] end_request: I/O error, dev sdc, sector 16085017
[ 1062.702327] ata3: EH complete