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Date:      Sun, 28 Sep 2008 11:25:17 -0500
From:      "Diego F. Arias R." <dak.col@gmail.com>
To:        "Bill Moran" <wmoran@potentialtech.com>
Cc:        Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>, Danny Do <ai_quoc@hotmail.com>, freebsd-questions@freebsd.org
Subject:   Re: Hard disk bottle neck.
Message-ID:  <3b93bd110809280925i2a99efd7qf733658d7c23fd74@mail.gmail.com>
In-Reply-To: <20080928121713.5c905a40.wmoran@potentialtech.com>
References:  <00d101c92154$691f53c0$3b5dfb40$@com> <48DF78C3.9080401@infracaninophile.co.uk> <BAY139-DAV95C49C49907D7EFE01A0190410@phx.gbl> <20080928165534.X96877@wojtek.tensor.gdynia.pl> <20080928121713.5c905a40.wmoran@potentialtech.com>

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On Sun, Sep 28, 2008 at 11:17 AM, Bill Moran <wmoran@potentialtech.com> wrote:
> Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> wrote:
>>
>> after you recompile the kernel with that patch, check your disk
>> performance in some directory consisting of many large files
>>
>> cd that_dir
>> for x in *;do (cat $x >/dev/null &);done
>>
>> while running systat,:vmstat on another console
>
> More specifically, do this before and after you make the change, to
> demonstrate whether or not you actually fixed the problem.
>
> --
> Bill Moran
> http://www.potentialtech.com
> _______________________________________________
> freebsd-questions@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
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>

do you check gstat?

If the patch dont works, maybe yoy may try to split the raid (2 raid
5) or better use a raid 10. The raid 5 isnt a top performance raid.

-- 
mmm, interesante.....



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