软件是如何检测磁盘坏道以及扇区的损坏
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: Unhandled sense code
[ 1062.685778] sd 2:0:0:0: Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 1062.685781] sd 2:0:0:0: Sense Key : Medium Error
[ 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: Add. Sense: Unrecovered read error - auto reallocate failed
[ 1062.685841] sd 2:0:0:0: 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
看不懂呢
开网店的步骤北京夜场招聘 最彻底的办法，确实是将所有的扇区都读或者写一遍
低格/慢格的原理就是测出坏道后，标记为不可用将其隐藏 回复 3# pingfan2
那确实，就是耗时太久了
我也想知道 神秘
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