l...@zitta.fr wrote: > Le 02/03/2010 18:13, Daniel Lezcano a écrit : > >> l...@zitta.fr wrote: >> >>> hi, >>> >>> I'm trying to provide a crypted volume to a container : >>> - So i have added it to the container's fstab : >>> r...@ksxxx:~# cat /var/lib/lxc/newzer.ovh2.p.zitta.fr/fstab >>> /lxc/root/newzer.ovh2.p.zitta.fr >>> /var/lib/lxc/newzer.ovh2.p.zitta.fr/rootfs none rbind 0 0 >>> /dev/mapper/crypt_newzer >>> /var/lib/lxc/newzer.ovh2.p.zitta.fr/rootfs/home ext4 defaults 0 0 >>> - Looked which minor/major to allow >>> r...@ksxxx:~# ls -l /dev/mapper/ >>> total 0 >>> crw-rw---- 1 root root 10, 60 2010-02-13 14:22 control >>> brw-rw---- 1 root disk 252, 3 2010-03-02 12:51 crypt_newzer >>> brw-rw---- 1 root disk 252, 3 2010-03-02 12:51 >>> crypt_newzer_unformatted >>> brw-rw---- 1 root disk 252, 1 2010-02-13 14:22 >>> vg0-backup_restore >>> brw-rw---- 1 root disk 252, 2 2010-03-02 12:22 vg0-cr_newzer >>> brw-rw---- 1 root disk 252, 0 2010-02-13 14:22 vg0-lxc >>> - I have allowed it (i have deduced it from exemples) >>> r...@ksxxx:~# cat /var/lib/lxc/newzer.ovh2.p.zitta.fr/config | >>> grep 252:3 >>> lxc.cgroup.devices.allow = b 252:3 rwm >>> - And plouf, an error :( >>> r...@ksxxx:~# lxc-start -n newzer.ovh2.p.zitta.fr >>> lxc-start: Operation not permitted - failed to mount >>> '/dev/mapper/crypt_newzer' on >>> '/var/lib/lxc/newzer.ovh2.p.zitta.fr/rootfs/home' >>> lxc-start: failed to setup the mounts for >>> 'newzer.ovh2.p.zitta.fr' >>> lxc-start: failed to setup the container >>> >>> So I'm wondering if it is possible, if i have made a mistake... Voila >>> >>> Any idea? >>> Thanks >>> >>> >> You want to use an image to mount the rootfs, right ? >> This is partly implemented but disabled in the code right now. >> Do you have an example of the image I can download somewhere in the >> net, so I can finish this part and test ? >> >> In the meantime, you can mount the image somewhere in a directory and >> use it as the rootfs - I know this is not what you want to do but >> anyway ... :) >> >> >> >> > I have done a what you need, URL will follow in a private mail. > > For my problem, it is a crypted datadir for a backup server, not a rootfs. > I wanted to use /var/lib/lxc/container/fstab to have the block device > mounted at lxc startup whitout use any wrapper around lxc-start. > > For my education, is there any differences between these two solutions : > - using /var/lib/lxc/container/fstab > - mknod in the container + use his /etc/fstab > Do you mean rootfs in the container ?
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