Bug#678015: debian-installer: Guided partitioning took 26 hours to complete erasure of encripted LVM volume
On 18-06-2012 21:26, Touko Korpela wrote:
> If it is using /dev/urandom now, that is overkill.
> There exists many algorithms/programs using random output (many packaged
> in Debian) that are many times faster and they are safe enough for this.
If i interpreted if correctly crypto_do_wipe  calls blockdev-wipe 
to write 0s.
Melhores cumprimentos/Best regards,