Arch Linux

train

Member

Registered: 2007-03-17

Posts: 38

Hibernate to dm_crypt swap

Is it possible to hibernate to a dm_crypt volume? On my Thinkpad R60 i got suspension working with pm-utlis, but i am not sure if hibernation is possible, because of the encrypted disk.

I started the installation as follows:
- created a small unencrypted ext2/3 partion
- created a large primary partion.
- created a dm_crypt on that partion
- created several logical volumes and a swap on the dm_crypt volume

Profjim

Member

From: NYC

Registered: 2008-03-24

Posts: 658

Re: Hibernate to dm_crypt swap

Yes, it is possible. I'm doing it. You'll need the encrypt hook in your /etc/mkinitcpio.conf, and you'll need to supply the right arguments on your kernel boot line in /boot/grub/menu.lst. But yes, it does work.

Dieter@be

Forum Fellow

From: Belgium

Registered: 2006-11-05

Posts: 2,000

Website

Re: Hibernate to dm_crypt swap

i use 'filesystems on top of lvm on top of dm_crypt' works fine for me. i found it to be explained well on the wiki page about dm_crypt

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< Daenyth> and he works prolifically
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train

Member

Registered: 2007-03-17

Posts: 38

Re: Hibernate to dm_crypt swap

It works now thanks.

My problem was: i forgot the 'resume' hook in HOOKS in mkinitcpio.conf
right now my HOOKS looks like:
HOOKS="base udev autodetect pata scsi sata usbinput keymap encrypt lvm2 resume openswap filesystems"

This is cool. Thanks.

aline

Member

Registered: 2009-12-17

Posts: 22

Re: Hibernate to dm_crypt swap

Great! It also works for me. Thanks!