Overwriting a 4096 byte sector harddisk drive with random data

[Gilboa Davara]

On Thu, 2011-07-21 at 19:48 +1000, yudi v wrote:
> Hi
> From what  I understand, the first command above will write data in
> 512 byte blocks, the second one in 1MB blocks, and the third in 4096
> byte blocks. Right?

Yep.
The 1M should also yield considerably better performance. (Though the
random number generator may cap the performance in this case).

- Gilboa