Date: Sun, 7 Jun 2009 06:07:35 -0400 From: Glen Barber <glen.j.barber@gmail.com> To: "John ." <comp.john@googlemail.com> Cc: freebsd-questions@freebsd.org Subject: Re: please recommend a disk-exercising program? Message-ID: <4ad871310906070307o212f0a93x8e77faba1cebf97c@mail.gmail.com> In-Reply-To: <abc784790906070305k77a9f067p6f3f0d22cd94b74e@mail.gmail.com> References: <abc784790906070243t419d8ebbp59a68af23e902004@mail.gmail.com> <4ad871310906070300g5aa63988m370e6362829b2f28@mail.gmail.com> <abc784790906070305k77a9f067p6f3f0d22cd94b74e@mail.gmail.com>
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On Sun, Jun 7, 2009 at 6:05 AM, John .<comp.john@googlemail.com> wrote:
> Hi Glen, thanks for replying
>
>> You can use dd(1) to stress test disk I/O. =A0Something like this should=
work:
>>
>> dd if=3D/dev/${YOURDISK} of=3D/dev/null bs=3D1024k
>
> That will show me thruput. I need to see if bad blocks or similar are
> happening. Something like scandisk for instance.
>
> Maybe I'm thinking the wrong way. Maybe see if they have SMART and
> read from there?
>
Ah, I thought you wanted to stress test the throughput to get errors.
In that case, have a look at sysutils/smartmontools in ports.
--=20
Glen Barber
http://www.dev-urandom.com
http://www.linkedin.com/in/glenjbarber
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