[lkml]   [2001]   [Nov]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: Tuning Linux for high-speed disk subsystems
    On Tue, Nov 13, 2001 at 03:29:13PM +0100, Roy Sigurd Karlsbakk wrote:
    > After some testing at Compaq's lab in Oslo, I've come to the conclusion
    > that Linux cannot scale higher than about 30-40MB/sec in or out of a
    > hardware or software RAID-0 set with several stripe/chunk sizes tried out.

    Eh, we do 60-70 MB/s reads and 110-120 MB/s writes on our RAIDs... from

    > Does anyone know this stuff good enough to help me how to tune the system?
    > PS: The CPUs were almost idle during the test. Tested file system was
    > ext2.

    I'd say you should get rid of your compaq raid controller and use a
    regular SCSI-controller - 66Mhz 64 bit. (e.g. an adaptec)

    Ragnar Kjørstad
    Big Storage
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2005-03-22 13:13    [W:0.021 / U:1.212 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site