执行fsck失败！

meiaolibrary

电脑启动时检测后显示
Warning 1 Logical drive(s) critical

Warning 1 Online drive(s) defunct
执行fsck（执行此命令修复文件系统失败）。以下是详细信息：
/dev/root
Htfs file system ：volum：
** Root file system
Can not read：BLK
36803782
Continue？ (y)
**The following disk sectors could not be read: 36803782，36803783,
cannot read block bitmap
**Phase 1—Check Blocks and sizes
Danger： Filesystem being checked is largerer than the device in which it is stored(/dev/root)。The filesystem is 70077430K，while the device is 18397441K。Backup filesystem and recreate as soon as possible。
**Phase 2—Check pathnames
**Phase 3—Check Connectivity
**Phase 4—Check reference counts
Free inode count wrong in superblock。 Fix ? (y)
**Phase 5 --Check synchronous writelog.
**Phase 6 --Check free list bitmap.
Cannot read : BLK 36803782，
Continue?
(y)
The following disk sectors could not be read : 36803782 , 36803783 ，disk error reading logical block 18401891
/dev/u
Htfs file system : u Volume : u
No Partial transactions pending 2523 files 2464481 blocks 47600505 free

sdccf

运行fsck -ofull试一下