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    SubjectRe: Performance problems with 3ware 9500S-4LP and 2.6.25-rc3
    On 09:26, Tony Battersby wrote:
    > > Thanks, this helped a lot. However, there does not seem to be a way
    > > to make the system more responsive, which is really the problem we
    > > are experiencing.
    > >
    > > Andre
    > >
    > This is not 3ware-specific, but kernel 2.6.24 has new per-device write
    > throttling that might help with the responsiveness issue:

    Yes, but we tried both 2.6.24 and 2.6.25-rc, so Peter's new
    write-throttling code doesn't seem to help much in our situtation. I'll
    play a bit with the various /proc/sys/vm/* knobs to see if that makes
    the system more responsive.

    > Also, check to see if the 3ware controller has a background initialize
    > or verify in progress, since that will obviously slow things down until
    > it is complete.

    That's certainly not the case.

    The only person who always got his work done by Friday was Robinson Crusoe
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