[root@oslo-1 /]# fsck
** /dev/ad4s1a (NO WRITE)
** Last Mounted on /
** Root file system
** Phase 1 - Check Blocks and Sizes
** Phase 2 - Check Pathnames
** Phase 3 - Check Connectivity
** Phase 4 - Check Reference Counts
UNREF FILE I=9968521  OWNER=root MODE=140666
SIZE=0 MTIME=Aug 23 22:04 2006
CLEAR? no

** Phase 5 - Check Cyl groups
SUMMARY INFORMATION BAD
SALVAGE? no

BLK(S) MISSING IN BIT MAPS
SALVAGE? no

325653 files, 1920019 used, 101101532 free (102396 frags, 12624892 blocks, 0.1% fragmentation)