Date: Sun, 7 Jun 2009 06:00:24 -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: <4ad871310906070300g5aa63988m370e6362829b2f28@mail.gmail.com> In-Reply-To: <abc784790906070243t419d8ebbp59a68af23e902004@mail.gmail.com> References: <abc784790906070243t419d8ebbp59a68af23e902004@mail.gmail.com>
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Hi, John
On Sun, Jun 7, 2009 at 5:43 AM, John .<comp.john@googlemail.com> wrote:
> Hello list,
>
> Can anyone please recommend to me a program that will stress-test a
> disk? If it matters, two are connected by firewire, another via usb.
> Filesystem is ufs. I think I have a disk that might be about to fail,
> but it only sometimes errors when under stress. I need to see if it
> was a fluke or to really make it fail, so that I can get rid of it.
>
You can use dd(1) to stress test disk I/O. Something like this should work:
dd if=/dev/${YOURDISK} of=/dev/null bs=1024k
--
Glen Barber
http://www.dev-urandom.com
http://www.linkedin.com/in/glenjbarber
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