Live CD - luks - lvm2 -- Can't mount encrypted lvm2 logical volume via Live CD
Michael Schwendt
mschwendt at gmail.com
Wed Nov 10 09:58:34 UTC 2010
On Tue, 9 Nov 2010 21:47:04 -0500, John wrote:
> Good evening,
>
> While running rawhide, I can no longer boot using rawhide packages from
> 11/06/2010. I keep getting asked for the LUKS passphrase. After I enter
> two characters, it says the passphrase is invalid. My passphrase is about
> 30 characters in length.
>
> In my efforts to "keep all the pieces", I'm trying to access the lvm logical
> volume that is encrypted to save at least some of the pieces. :-)
>
> I perform the following steps:
> 1) Boot the live CD (F14) (X64)
> 2) Open a terminal window
> 3) su -l root
> 4) modprobe dm-crypt
> 5) sudo cryptsetup luksOpen /dev/sda6 crypt1 (sda6 is the encrypted LVM)
/dev/sda6 is a logical partition, not a LV.
> 6) modprobe dm-mod
> 7) [root at localhost async_tx]# vgscan
> Reading all physical volumes. This may take a while...
> Found volume group "vg_dubby" using metadata type lvm2
> 8) [root at localhost async_tx]# vgchange -a y vg_dubby
> 3 logical volume(s) in volume group "vg_dubby" now active
> 9) [root at localhost async_tx]# lvscan
> ACTIVE '/dev/vg_dubby/lv_root' [50.00 GiB] inherit
> ACTIVE '/dev/vg_dubby/lv_swap' [9.81 GiB] inherit
> ACTIVE '/dev/vg_dubby/lv_home' [664.25 GiB] inherit
> 10) [root at localhost async_tx]# ls -ld /media/*
> drwxr-xr-x. 2 root root 4096 Nov 8 22:14 /media/home
> drwxr-xr-x. 2 root root 4096 Nov 8 22:14 /media/root
> 11) [root at localhost async_tx]# mount /dev/vg_dubby/lv_root /media/root
> mount: unknown filesystem type 'crypto_LUKS'
>
> I'm at wits end. Any suggestions?
You would need to luksOpen /dev/vg_dubby/lv_root and mount the new
mapper device /dev/mapper/crypt1 on /media/root
More information about the test
mailing list