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    SubjectRe: ext4 features
    On Mon, 2006-07-03 at 23:12 +0100, Alan Cox wrote:
    > Ar Llu, 2006-07-03 am 23:01 +0200, ysgrifennodd Arjan van de Ven:
    > > raid is great for protecting against individual disks or sectors going
    > > bad. But raid, especially high performance implementations, do not
    > > checksum data or detect corruptions.
    > >
    > > They're different purpose with almost zero overlap in purpose or even
    > > goal...
    > Same layer though - checksums are really a device mapper type problem
    > rather than an fs type problem.

    file payload checksums.. I'd agree
    filesystem metadata.. there checksums do provide value

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