SERVER:/home/ruben# fsck -y /dev/md0
fsck 1.37 (21-Mar-2005)
e2fsck 1.37 (21-Mar-2005)
/dev/md0 is mounted.

WARNING!!!  Running e2fsck on a mounted filesystem may cause
SEVERE filesystem damage.

Do you really want to continue (y/n)? yes

/dev/md0 was not cleanly unmounted, check forced.
Pass 1: Checking inodes, blocks, and sizes
Root inode is not a directory.  Clear? yes

Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Root inode not allocated.  Allocate? yes

/lost+found not found.  Create? yes

Pass 4: Checking reference counts
Pass 5: Checking group summary information
Block bitmap differences:  +(0--552)
Fix? yes

Free blocks count wrong for group #0 (24007, counted=32213).
Fix? yes

Free blocks count wrong (153824878, counted=153833084).
Fix? yes

Inode bitmap differences:  +1 +(3--10)
Fix? yes

Free inodes count wrong for group #0 (16372, counted=16373).
Fix? yes

Directories count wrong for group #0 (3, counted=2).
Fix? yes

Free inodes count wrong (78151668, counted=78151669).
Fix? yes


/dev/md0: ***** FILE SYSTEM WAS MODIFIED *****
/dev/md0: 11/78151680 files (0.0% non-contiguous), 2452484/156285568 blocks