Very low disk performance on 5.x

Petri Helenius pete at he.iki.fi
Mon May 2 09:45:16 PDT 2005


Poul-Henning Kamp wrote:

>In message <427629CB.6060706 at he.iki.fi>, Petri Helenius writes:
>
>  
>
>>My tests were using RAID10 and just striping. (RAID0 might be the right 
>>name for it)
>>    
>>
>
>Same thing applies, and it depends on how the reqeust alignment/size and
>stripe alignment/size interacts.
>
>  
>
I'm using either 64k or 1M buffer size with dd if=/dev/zero and of=/dev/da1

Pete



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