wipe /dev/sda

[Joep L. Blom]

Kent Borg wrote:
> Joep L. Blom wrote:
>> Well, sure it's radical. However, after wiping with a - not too strong - 
>> magnet, you only have to do a low-level format. Not so difficult as all 
>> disk companies has the software on their sites 
> 
> There might be a confusion here. I am talking about servo data that the
> disk uses to dynamically steer the heads as the disk is running. It is a
> lower level kind of formatting than "low level formatting". I don't
> think modern disks can write their own servo data, this information
> needs to be written more precisely than the heads are capable of doing
> If a disk is ever completely erased of all magnetic everything, the
> servo data will also be erased. And at that point I think your disk is
> worthless.
> 
> 
> -kb
> 
> 
Thanks, I didn't know that.
Joep