lkml.org 
[lkml]   [2007]   [Aug]   [30]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateThu, 30 Aug 2007 03:26:22 -0700 (PDT)
FromMartin Knoblauch <>
SubjectRe: Understanding I/O behaviour - next try
--- Robert Hancock <hancockr@shaw.ca> wrote:
> 
> I saw a bulletin from HP recently that sugggested disabling the 
> write-back cache on some Smart Array controllers as a workaround
> because 
> it reduced performance in applications that did large bulk writes. 
> Presumably they are planning on releasing some updated firmware that 
> fixes this eventually..
> 
> -- 
> Robert Hancock      Saskatoon, SK, Canada
> To email, remove "nospam" from hancockr@nospamshaw.ca
> Home Page: http://www.roberthancock.com/
> 
Robert,

 just checked it out. At least with the "6i", you do not want to
disable the WBC :-) Performance really goes down the toilet for all
cases.

 Do you still have a pointer to that bulletin?

Cheers
Martin

------------------------------------------------------
Martin Knoblauch
email: k n o b i AT knobisoft DOT de
www:   http://www.knobisoft.de
-
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: 2007-08-30 12:29    [from the cache]
©2003-2008