[ale] How do I fill a new hard drive with random data to burn it in?
Phil Turmel
philip at turmel.org
Mon Dec 31 09:51:50 EST 2012
On 12/30/2012 10:48 PM, Ron Frazier (ALE) wrote:
> Hi Phil,
>
> Thanks for the note. I was trying something very similar, except for the bs=1M. It appeared to be working ok, but was very slow. I haven't had a chance to try shred. I think I've found a better tactic below.
The "bs=1M" is there for speed. Without it, dd reads/writes individual
256 byte sectors. With such short requests, the OS can't max out the link.
For just a random wipe, dd or shred are simplest. You want verification
of successful writes, so I concur with your choice of badblocks.
Phil
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