Re: ext3 issue..

[Davy Durham]

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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