please recommend a disk-exercising program?

Glen Barber glen.j.barber at
Sun Jun 7 10:07:37 UTC 2009

On Sun, Jun 7, 2009 at 6:05 AM, John .<comp.john at> wrote:
> Hi Glen, thanks for replying
>> 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
> 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.

Glen Barber

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