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    SubjectRE: raid over sata - write barrier
    On Sunday December 18, slobo@t-online.hu wrote:
    > with kernel 2.6.15, raid1
    > do I have to use the
    > -o barrier=1
    > mount option (or something else) when I mount the md device?

    You don't have to do anything special to the raid1.

    If the filesystem requires "-o barrier=1" (which I believe it does),
    then you need to use that no-matter what device the filesystem is
    mounted from.

    NeilBrown
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