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    SubjectRe: Sharing SCSI disks
    On Tue, 25 Mar 1997, Illuminati Primus wrote:

    > Couldn't you just write data and call sync?

    No. One of the reasons is that the sync does not propagate
    down. Devices with own caches have no way to get this information
    and use it to flush their caches.

    Additionally you don't always want all and everything flushed.
    Some pieces of data always need to be on disk, others can be written
    delayed or even out of order. Those are patterns that you can't
    implement without RAW devices.


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