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    SubjectRe: ext4 features
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    On Sat, Jul 01, 2006 at 08:17:02PM +0200, Tomasz Torcz wrote:
    > On Sat, Jul 01, 2006 at 07:47:16PM +0200, Thomas Glanzmann wrote:
    > > Hello,
    > >
    > > > Checksums are not very useful for themselves. They are useful when we
    > > > have other copy of data (think raid mirroring) so data can be
    > > > reconstructed from working copy.
    > >
    > > it would be possible to identify data corruption.
    > >
    >
    > Yes, but what good is identification? We could only return I/O error.
    > Ability to fix corruption (like ZFS) is the real killer.

    Isn't that what we have RAID-1/5/6 for?

    Helge Hafting

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