Re: Understanding I/O behaviour - next try

From: Martin Knoblauch
Date: Thu Aug 30 2007 - 06:26:37 EST



--- Robert Hancock <hancockr@xxxxxxx> 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@xxxxxxxxxxxxx
> 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
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