Re: ext3 issue..

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Ok, I caught another machine doing it.. So here's the output of: df, unmount, fsck.ext3, mount, df

I don't know if it shows anything that would indicate the cause of the issue though.


#df
Filesystem Size Used Avail Use% Mounted on

/dev/ide/host0/bus0/target0/lun0/part1
                     2.0G  465M  1.5G  25% /
/dev/ide/host0/bus0/target0/lun0/part6
                      33G  -64Z   31G 101% /home



# umount /home


# fsck.ext3 -f -v /dev/ide/host0/bus0/target0/lun0/part6
e2fsck 1.34 (25-Jul-2003)
Pass 1: Checking inodes, blocks, and sizes
Inode 8, i_blocks is 65616, should be 65608.  Fix<y>? yes

Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
/lost+found not found.  Create<y>? yes

Pass 4: Checking reference counts
Pass 5: Checking group summary information
Free blocks count wrong for group #2 (47844, counted=30900).
Fix<y>? yes

Free blocks count wrong for group #4 (36926, counted=31744).
Fix<y>? yes

Free blocks count wrong (8435011, counted=8412885).
Fix<y>? yes


/dev/ide/host0/bus0/target0/lun0/part6: ***** FILE SYSTEM WAS MODIFIED *****

     13 inodes used (0%)
      2 non-contiguous inodes (15.4%)
        # of inodes with ind/dind/tind blocks: 2/0/0
 282288 blocks used (3%)
      0 bad blocks
      0 large files

      2 regular files
      1 directory
      0 character device files
      0 block device files
      0 fifos
      0 links
      0 symbolic links (0 fast symbolic links)
      0 sockets
--------
      3 files


# mount /home



# df
Filesystem            Size  Used Avail Use% Mounted on
/dev/ide/host0/bus0/target0/lun0/part1
                     2.0G  439M  1.5G  24% /
/dev/ide/host0/bus0/target0/lun0/part6
                      33G   39M   31G   1% /home


# uname -r
2.6.3-15mdk


# uptime
20:25:26 up 100 days, 12 min,  1 user,  load average: 0.01, 0.08, 0.04





Theodore Ts'o wrote:

On Thu, Apr 28, 2005 at 09:59:39AM -0500, Davy Durham wrote:
Crazy huh? Well, I unmounted /home and did an fsck -f on the partition and remounted it. Then everything looked okay.

What messages were displayed by e2fsck?  What version of the kernel
are you running?

No, I haven't heard of any such problems with ext2/3 filesystems.
This is the first time that someone was reported a specific problem
with the # of blocks used accounting.  There is the standard "file
held open so the number of blocks used is greater than blocks reported
by du", but that won't cause df to display negative numbers.

						- Ted
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