2009年06月07日(日)


Cannot find file system superblock

PC Arbeit:

# fsck -t ufs -p /dev/md9.bde
Cannot find file system superblock

# newfs -N  /dev/md9.bde
/dev/md9.bde: 4064.0MB (8323072 sectors) block size 16384, fragment size 2048
        using 23 cylinder groups of 183.77MB, 11761 blks, 23552 inodes.
super-block backups (for fsck -b #) at:
 160, 376512, 752864, 1129216, 1505568, 1881920, 2258272, 2634624, 3010976, 3387328, 3763680,
 4140032, 4516384, 4892736, 5269088, 5645440, 6021792, 6398144, 6774496, 7150848, 7527200,
 7903552, 8279904

# fsck_ufs -y -b 752864 /dev/md9.bde
Alternate super block location: 752864
** /dev/md9.bde
** Last Mounted on
** Phase 1 - Check Blocks and Sizes
** Phase 2 - Check Pathnames
** Phase 3 - Check Connectivity
** Phase 4 - Check Reference Counts
** Phase 5 - Check Cyl groups
FREE BLK COUNT(S) WRONG IN SUPERBLK
SALVAGE? yes

SUMMARY INFORMATION BAD
SALVAGE? yes

BLK(S) MISSING IN BIT MAPS
SALVAGE? yes

2694 files, 371245 used, 1641402 free (1586 frags, 204977 blocks, 0.1% fragmentation)

UPDATE STANDARD SUPERBLOCK? yes


***** FILE SYSTEM MARKED CLEAN *****

***** FILE SYSTEM WAS MODIFIED *****

# fsck -t ufs -p /dev/md9.bde
/dev/md9.bde: FILE SYSTEM CLEAN; SKIPPING CHECKS
/dev/md9.bde: clean, 1641402 free (1586 frags, 204977 blocks, 0.1% fragmentation)



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