lkml.org 
[lkml]   [2004]   [Aug]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: High CPU usage (up to server hang) under heavy I/O load
    Tom Sightler wrote:

    >On Fri, 2004-08-13 at 11:46, Sylvain COUTANT wrote:
    >
    >
    >During heavy writes to the drives attached to the PERC4/Di the system
    >becomes practically unusable. I've been wanting to try the 'megaraid2'
    >driver to see if this gets rid of the issue but I haven't been able to
    >try that yet.
    >
    >
    Can confirm same symptoms. But I can say that megaraid2 driver gets rid
    of this slowdown
    (during heavy writing). Only problem you can't use dellmgr or megamon
    with this driver it seems.

    >We have some older systems with PERC2/DC cards which also use the
    >'megaraid' driver but they don't seem to experience this issue so I'm a
    >little suspicious that perhaps this driver simply doesn't work that well
    >with the newer megaraid-like controllers.
    >
    >
    It's PERC3/QC here.

    Lenar

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 14:05    [W:0.032 / U:0.292 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site