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    SubjectRe: Sharing SCSI disks
    "David S. Miller" <> ,in message <199703202353.SAA0102
    6@jenolan.caipgeneral>, wrote:

    > I brought up this with Linus once, the conversation was in reference
    > to how we thought we could do on database benchmarks etc. which is
    > essentially all over raw block devices these days. (which we both
    > agreed was entirely stupid, the kernel should be doing buffer caching,
    > not some silly Oracle disk I/O layer)

    Not necessarily. A well-designed database probably has a better idea of
    its future disk usage pattern than the kernel does. Remember, LRU is just an
    approximation (and sometimes a very poor one) to the optimal FFU.

    Bob Forsman

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