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    SubjectRe: Mild filesystem corruption on ext4 (no journal)
    Alan Jenkins wrote:
    > Eric Sandeen wrote:

    >> Maybe you could try some things in your shutdown script, such as
    >> explicitly fsyncing the file, or bmapping it with filefrag, or dropping
    >> caches and rereading it... see what the state is just before the
    >> shutdown compared to after the reboot.
    >>
    >> -Eric
    >>
    >
    > Dropping caches (and running sync first) had no effect on the result of
    > md5sum. Hopefully that narrows it down a bit.

    And did the reread after dropping caches have the right data?

    Did the block numbers reported by filefrag -v change post-boot?

    -Eric


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