Using encrypted disks

[Bruno Wolff III]

On Sun, Apr 13, 2008 at 14:17:44 +0100,
  Anne Wilson <cannewilson at googlemail.com> wrote:
> On Thursday 10 April 2008 10:56:16 pm Andrew Farris wrote:
> > Ok so you do have the default partitioning scheme with a single / and
> > /boot.  So you are being asked for your LUKS passphrase twice?  This may be
> > because the LVM spans two disks, but thats just a guess because I'm not
> > familiar with how that is handled.  When you have a single encrypted LVM on
> > a single disk that does not happen.
> 
> The other oddity is that on entering the passphrase, both times result in the 
> identical message, something like 'slot 0 unlocked'.  Definitely 'slot0' in 
> both cases.
> 
> This isn't really causing me any pain, but I'm really curious about it.

Each device can have multiple passphrases that can be used to unlock the
device they can be deleted or added later. This allows two people to each
be able to mount the device but use their own passphrase.