problems with ext3 fs, kernels up to 2.6.6-rc2

[Paul P Komkoff Jr]

Hi.

For a long time I'm sorta have the following problem.

I have ext3 partition with dir_index turned on. I have programs, which
store many files on it (for example, Maildir mailboxes for 500+ users,
about 200k files).

Sometimes something going wrong. I am noticing it by rdiff-backup on
this partition producing the following output:
ListError goloub/Maildir/cur/1082623479.1763_0.ns:2,S [Errno 5]
Input/output error:
+'/mnt/mail/goloub/Maildir/cur/1082623479.1763_0.ns:2,S'

Yes, when I am doing strace ls -al (failed file), I am seeing -EIO

lstat64("/mnt/mail/goloub/Maildir/cur/1082623479.1763_0.ns:2,S",
0x806408c) = -1 EIO (Input/output error)

I know, so when I will e2fsck it it will be repaired. But how I can
help debug it?

Which on-disk structs I need to examine, maybe extract, and send to
someone?

-- 
Paul P 'Stingray' Komkoff Jr // http://stingr.net/key <- my pgp key
 This message represents the official view of the voices in my head
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