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:0.144 / U:0.132 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site