[CentOS] Looking for a good disk exerciser

John R Pierce wrote:
> fredex wrote:
>> I'd guess that several passes with data from /dev/random might be
>> a good thing.
>>   
>
> I've tried that, tis kinda brutally slow.    dd if=/dev/random 
> of=/dev/sdb bs=1048576

You want to do "dd if=/dev/urandom of=...." for that... reading that 
much from random will deplete the entrophy pool.

//Morten