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    SubjectRe: bio too big device
    On Wed, Mar 12 2003, Alan Cox wrote:
    > On Wed, 2003-03-12 at 15:11, Jens Axboe wrote:
    > > Then go with 128. I'd like to stress again that _if_ you get worse
    > > performance it's not due to the request being a bit smaller, but indeed
    > > because 248 can cause badly aligned requests.
    > >
    > > > got the IDE layer using 256 block writes even if we have to limit it
    > > > to more modern drives by some handwaving (8Gb+ say)
    > >
    > > Does Windows use 256 sector requests or not? If not, then I'd sure don't
    > > want to do it in Linux, the handwaving doesn't mean anything then.
    > I am told it does, Andre can you confirm this either way. If not then its
    > time to ask vendors to confirm and any vendor who says "our drives are fine"
    > we put on the ok list.

    Well I can hook an analyzer to such a bastard and verify it for sure,
    that's one way :)

    If Windows does, then we have nothing to worry about.

    Jens Axboe

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