Re: ext2 problems in 2.4

Re: ext2 problems in 2.4

[David Ford]

Ok, the problem appears to have been fixed.  I venture the bug is likely 
in the e2fs tools for the simple reason that on the last time I took the 
machine down for maintenance, I ran e2fsck five times and got different 
results for the first three runs.  Now before everyone flys off the 
handle with their favorite flamethrower, the server was in single user 
mode with nothing else running but the kernel threads.  There weren't 
any processes left and lsof was also clean.  I have also been forcing 
fsck on boot every time.

The machine has been up for four days now without any errors and no 
unaccounted for disk space.

David

Re: ext2 problems in 2.4

[Theodore Tso]

On Thu, Aug 09, 2001 at 01:40:05PM -0400, David Ford wrote:
> Ok, the problem appears to have been fixed.  I venture the bug is likely 
> in the e2fs tools for the simple reason that on the last time I took the 
> machine down for maintenance, I ran e2fsck five times and got different 
> results for the first three runs.  Now before everyone flys off the 
> handle with their favorite flamethrower, the server was in single user 
> mode with nothing else running but the kernel threads.  There weren't 
> any processes left and lsof was also clean.  I have also been forcing 
> fsck on boot every time.

If you have a problem like this in the future, please download and
compile the latest e2fsprogs (1.23 WIP 9-Aug-2001), and use the
command "e2image -r /dev/xxx raw-image-file".  This will create a raw
image file which is a sparse file containing only the filesystem
metadata.  Try running fsck on that, and see if you are continuing to
get differing results between runs.  If so, then you've isolated away
from it being a hardware problem.  Then, if you don't mind letting me
see the directory names/hierarchy in your filesystem, bzip2 the
resulting filesystem and send it to me, along with an indication of
the size of the filesystem.

That will allow me to debug the problem at my end, without my needing
to see any of your file data, as well as making the compressed
filesystem image small enough that it should be feasible to ship it
over the net.

Many thanks,

						- Ted