Re: pitiful performance of an SATA150 drive

From: Steven Hartland <killing_at_multiplay.co.uk>
Date: Wed, 1 Mar 2006 23:18:39 -0000
I had something similar on a highpoint controller and the problem
was the block size the array was created ( no the fs block size ).

Have you tried changing the block size? Changing here increased
from 8Mb/s -> 150Mb/s iirc when moving to the lowest available
block size option.

    Steve
----- Original Message ----- 
From: "Mikhail Teterin" <mi+mx_at_aldan.algebra.com>


> середа 01 березень 2006 14:03, Julian Elischer Ви написали:
>> I believe that linux uses bufferring in their 'raw' disks so that you
>> may be actually doing larger
>> reads and writes than you know.. (of course my knowledge of Linux is a
>> bit old so
>> they may have changed that)
>
> Let's not get distracted. dd using bs=1m is still limited to 7Mb/s on writing.



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Received on Wed Mar 01 2006 - 22:19:24 UTC

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