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Date: Fri, 29 Apr 2005 12:40:53 +0300
From: Petri Helenius <pete@he.iki.fi>
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To: "Arne \"WXrner\"" <arne_woerner@yahoo.com>
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Subject: Re: Very low disk performance Highpoint 1820a
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Arne WXrner wrote:

>--- Petri Helenius <pete@he.iki.fi> wrote:
>  
>
>>Eric Anderson wrote:
>>I'm seeing similar sequential performance on RELENG_5_3 and
>>RELENG_5_4 
>>on dual-Xeons using 3ware controllers so it does not seem to be
>>a driver issue [...]
>>
>>    
>>
>Why?
>
>I can remember, that some people said some months before, that
>FreeBSD's R4 was much faster (maybe something in the kernel
>changed due to SMPng, so that the disc subsystem behaves funny?).
>  
>
I mean the issue does not seem to be specific to a controller, but 
generic in the way how kernel schedules requests.

Pete