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Date:      Fri, 20 Aug 2004 21:58:48 +0200
From:      "Poul-Henning Kamp" <phk@phk.freebsd.dk>
To:        Pawel Jakub Dawidek <pjd@FreeBSD.org>
Cc:        freebsd-performance@FreeBSD.org
Subject:   Re: RAID-3? (was: cvs commit: src MAINTAINERS) 
Message-ID:  <24879.1093031928@critter.freebsd.dk>
In-Reply-To: Your message of "Fri, 20 Aug 2004 21:35:47 %2B0200." <20040820193547.GZ30151@darkness.comp.waw.pl> 

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In message <20040820193547.GZ30151@darkness.comp.waw.pl>, Pawel Jakub Dawidek w
rites:

>As you can see RAID5 is only faster in READ tests for 15 and 100 processes
>working in parallel. As I can see, RAID3 is faster in all the rest tests.
>
>PS. I wonder about read optimization, so parity component can be also
>    used for reading in round-robin fashion...

I would far rather have an option to give me data-integrity checking ?

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.



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