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硬盘杯具了,如何恢复?

时间:2010-11-19

来源:互联网

一个硬盘,原来好好的挂载在系统上,那天闲来无事,将系统从7.1升级到8.1,用freebsd-update方式来升级,结果升级完,别的3个盘没问题,有一个盘出问题了,这是一个500G的盘。
我觉得跟系统升级没有关系,但是也找不出原因;现在怎么才能重新挂载回来呢?
  1. # fdisk /dev/ad7
  2. ******* Working on device /dev/ad7 *******
  3. parameters extracted from in-core disklabel are:
  4. cylinders=969021 heads=16 sectors/track=63 (1008 blks/cyl)

  5. Figures below won't work with BIOS for partitions not in cyl 1
  6. parameters to be used for BIOS calculations are:
  7. cylinders=969021 heads=16 sectors/track=63 (1008 blks/cyl)

  8. Media sector size is 512
  9. Warning: BIOS sector numbering starts with sector 1
  10. Information from DOS bootblock is:
  11. The data for partition 1 is:
  12. sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
  13.     start 63, size 976768002 (476937 Meg), flag 80 (active)
  14.    beg: cyl 0/ head 1/ sector 1;
  15.    end: cyl 1023/ head 254/ sector 63
  16. The data for partition 2 is:
  17. <UNUSED>
  18. The data for partition 3 is:
  19. <UNUSED>
  20. The data for partition 4 is:
  21. <UNUSED>

  22. # fsck /dev/ad7
  23. fsck: Could not determine filesystem type
  24. # fsck_ffs /dev/ad7
  25. ** /dev/ad7
  26. Cannot find file system superblock
  27. ioctl (GCINFO): Inappropriate ioctl for device
  28. fsck_ffs: /dev/ad7: can't read disk label
  29. # fsck_ffs /dev/ad7s1
  30. Can't stat /dev/ad7s1: No such file or directory
  31. Can't stat /dev/ad7s1: No such file or directory
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作者: NetDC   发布时间: 2010-11-19

欧也,是不是操作的问题呢

作者: wjpl11   发布时间: 2010-11-21