ext2 FS Corruption

Richard B. Johnson (root@chaos.analogic.com)
Thu, 18 Jun 1998 12:24:08 -0400 (EDT)

This is an example of the reported file-system corruption. The
script was written to a seperate file-system, mounted off from
'/mnt' with the -n option. The root file-system is R/O. Init
is really bash.

Script started on Thu Jun 18 08:00:25 1998
(none):/mnt# /sbin/fsck -f /
Parallelizing fsck version 1.04 (16-May-96)
e2fsck 1.04, 16-May-96 for EXT2 FS 0.5b, 95/08/09
Pass 1: Checking inodes, blocks, and sizes
Deleted inode 10413 has zero dtime.
Set dtime<y>? yes

Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Fix summary information<y>? yes

Block bitmap differences: -45853 -45854 -45855 -45856 -45857 -45858. FIXED
Free blocks count wrong for group 5 (3073, counted=3079). FIXED
Free blocks count wrong (514691, counted=514697). FIXED
Inode bitmap differences: -10413. FIXED
Free inodes count wrong for group #5 (1638, counted=1639). FIXED
Free inodes count wrong (400970, counted=400971). FIXED

/dev/sdc1: ***** FILE SYSTEM WAS MODIFIED *****
/dev/sdc1: 113029/514000 files (6.2% non-contiguous), 1533304/2048001 blocks
(none):/mnt# exit
exit

Script done on Thu Jun 18 08:04:58 1998

Cheers,
Dick Johnson
***** FILE SYSTEM MODIFIED *****
Penguin : Linux version 2.1.105 on an i586 machine (66.15 BogoMips).
Warning : It's hard to remain at the trailing edge of technology.

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