Re: [coLinux-users] LVM over DM-CRYPT ??

[Wael N. <wa...@na...>]

This One Time, at Band Camp, Henry Nestler <Hen...@Ar...> said, On Thu, Feb 28, 2008 at 09:41:11PM +0100:
> Wael Nasreddine wrote:
> > I currently dual or actually tripple boot Windows XP with Gentoo linux
> > and Arch Linux, my hard disk is partitioned as following:

> > /dev/sda1       10G         Fat32       Windows XP
> > /dev/sda2       100M        ext2        /boot partition
> > /dev/sda3       110G        DM-CRYPT

> > the /dev/sda3 is an encrypted partition ( LUKS Encrypted.. ), over it
> > I have an LVM array with 12 LVs 2 of them are gentoo and arch roots, I
> > have home, 2 swap etc...

> > is there a way I can boot Gentoo or Arch from the LVM array ( that is
> > over DM-CRYPT ) with coLinux.... it would be excellent if I could boot
> > it because I'm really annoyed that I can't access any of LVMed
> > partition from windows, I have to reboot If I want one file... I also
> > miss Mutt...

> Yes, this should go. Some user have a raid setup running. So your LVM is
> similar.

> You need colinux with LVM and DM-Crypt supprt (as module or kernel build
> in). I not know, what modules you need. Please check the kernel config
> [1]. "CONFIG_DM_CRYPT=m" I can see there. But not know what else you need.

> You need manualy change the initrd for this. Basic steps are:
> - unpack (gunzip and cpio) the boot/initrd from your native Gentoo boot
> - View into th file linuxrc, and check how an what modules are
> installed. (modprobe or insmod)
> - Locate the modules path inside the initrd (lib/modules/...)
> - Remove all non coLinux modules. Replace/Add all modules you need with
> coLinux version.
> - create the gzipped cpio initrd from the tree now.
> - Use the new initrd as "initrd=..." for colinux boot.
> - For the first start should run with non graphical runlevel, add "init
> 2" into the colinux config as kernel command line.

> The partition should configure as alias in coLinux config, for example:
>   sda3=\Device\Harddisk0\Partition3

> [1]
> http://colinux.svn.sourceforge.net/svnroot/colinux/branches/devel/conf/linux-2.6.22.18-config

Okay I see what I should do, but What if I used the Gentoo
kernel/initrd I have in gentoo for coLinux, would it work?? I'm going
to try it but tonight when I'll be home, I'll try it and report back
the results....

Thanks

-- 
Wael Nasreddine
http://wael.nasreddine.com
PGP: 1024D/C8DD18A2 06F6 1622 4BC8 4CEB D724  DE12 5565 3945 C8DD 18A2

.: An infinite number of monkeys typing into GNU emacs,
   would never make a good program. (L. Torvalds 1995) :.