lkml.org 
[lkml]   [2008]   [Feb]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    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:
    >
    > http://kernelnewbies.org/LinuxChanges#head-92340ffcec39e7c2a09fd933243fb18eda57f1b4
    > http://lwn.net/Articles/245600/

    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.

    Thanks
    Andre
    --
    The only person who always got his work done by Friday was Robinson Crusoe
    [unhandled content-type:application/pgp-signature]
    \
     
     \ /
      Last update: 2008-02-27 18:11    [W:0.044 / U:0.704 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site