I have a dual-boot machine, where I already set up Ubuntu in an encrypted lvm. I want to use the same lvm for Crunchbang (a debian derivative), since I designed that lvm with two root-Volumes, a swap-area and a data-volume.
I managed to get the lvm mounted in the Debian-installer (through the shell with cryptsetup and vgchange - that seemed the only possible way, since partman seems not able to do so on it's own) and I could install Crunchbang doing that.
Now the only proble I am having now is, that my Debian is not finding the lvm-group (thus not the root-Volume) - which seems only logical, because apparently it does not know it is behind an encrypted partition.
So the question is: How do I get my Debian to work now?
It seems to me that the bootloader (grub in this case) just does not know about the encryption, so if I could get it to know about it, everything would work fine. How would I achieve that?
Or - to be more to the thread-question - is there another (simpler) way of installing a Debian system onto an existing encrypted lvm?