On 2013-08-19 08:33, Carruth, Rusty wrote:
One alternative to copying zeros to the drive is to copy from /dev/urandom (I think it's urandom
Yes. /dev/random gives you really high-quality randomness, which takes a lot longer to generate.
I had to wipe an older 250G disk a while back since I was donating the computer it was in. I wrote a chunk of C that wiped block devices in a slightly more efficient way than using dd from the shell. I'll post that code later if anyone's interested.
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