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files missing



I have a 1 TB ext3 filesystem mounted via iscsi on a redhat 9 system w/ kernel version - 2.4.20-30.9.  I'm not sure when it happened, but today there appears to be about 7,000 files (600GB) missing.  The output from df implies that the files are still there.  It shows 861 GB utilized.  But du shows only 300 GB of data.  I'm sure that there are no processes holding onto deleted files because I have unmounted/mounted the filesystem several times, synced, etc.  Here's an excerpt from e2fsck -nf /dev/sdf ...
 
e2fsck 1.32 (09-Nov-2002)
Pass 1: Checking inodes, blocks, and sizes
Inode 674 has illegal block(s).  Clear? no
 
Illegal block #32780 (2552928151) in inode 674.  IGNORED.
Illegal block #32781 (443979519) in inode 674.  IGNORED.
Illegal block #32782 (2730682564) in inode 674.  IGNORED.
Illegal block #32783 (1341333000) in inode 674.  IGNORED.
Illegal block #32784 (864228082) in inode 674.  IGNORED.
Illegal block #32785 (1637408843) in inode 674.  IGNORED.
Illegal block #32786 (2702337062) in inode 674.  IGNORED.
Illegal block #32787 (399755839) in inode 674.  IGNORED.
Illegal block #32788 (2350927161) in inode 674.  IGNORED.
Illegal block #32789 (972130738) in inode 674.  IGNORED.
Illegal block #32790 (726004907) in inode 674.  IGNORED.
Too many illegal blocks in inode 674.
Clear inode? no
 
[ This message basically repeats itself and eventually e2fsck errors out with... ]
 
Error while iterating over blocks in inode 675: Illegal indirect block found
e2fsck: aborted
 
/dev/sdf: ********** WARNING: Filesystem still has errors **********
 
Things look pretty grim right now.  As soon as I run e2fsck -p, these inodes will be deleted and I will lose data, correct?  I suspect the cause of this issue was multiple hosts mounting this filesystem r/w.  Does anyone know of any method that could be used to recover this data?  Any help would be greatly appreciated.
 
 - Jeff

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