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    SubjectRe: XFS corruption during power-blackout
    On Fri, Jul 01 2005, David Masover wrote:
    > Chris Wedgwood wrote:
    > >On Wed, Jun 29, 2005 at 07:53:09AM +0300, Al Boldi wrote:
    > >
    > >
    > >>What I found were 4 things in the dest dir:
    > >>1. Missing Dirs,Files. That's OK.
    > >>2. Files of size 0. That's acceptable.
    > >>3. Corrupted Files. That's unacceptable.
    > >>4. Corrupted Files with original fingerprint. That's ABSOLUTELY
    > >>unacceptable.
    > >
    > >
    > >disk usually default to caching these days and can lose data as a
    > >result, disable that
    >
    > Not always possible. Some disks lie and leave caching on anyway.

    And the same (and others) disks will not honor a flush anyways. Moral of
    that story - avoid bad hardware.

    --
    Jens Axboe

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