please recommend a disk-exercising program?

[John .]

Hi everyone

2009/6/7 Wojciech Puchar <wojtek at wojtek.tensor.gdynia.pl>:
>> Check the downloads section at the disk manufacturer's website.  All the
>> disk vendors have utilities that can test their disks.
>
> by doing the same as dd of=/dev/null :)
>
> as least seagate one.

:D

okok, dd it is. I'll remove all data beforehand just in case. Thank
you all for your replies.
-- 
John