please recommend a disk-exercising program?

[John .]

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?

cheers
-- 
John