I created a new container with the following command:
lxc-create -n test2 -t ubuntu -- -r precise
When I start this container everything is working fine. However I don't
want my containers in /var/lib/lxc (ext4 fs) so I copy the rootfs to a
btrfs volume mounted to "/vm", into a subvolume that shares its name
with the container, "test2".
I copy the config and fstab files from /var/lib/lxc/test2 to /vm/conf
and make the appropriate edits to reference the new lxc.mount file
location and the new rootfs location.
I then run "lxc-destroy -n test2" to remove the container and run
"lxc-create -n test2 -f /vm/conf/test2.conf" to re-create the container
with the new rootfs location.
I can start the container and it comes up fine, but logging into the
container as any non-root user fails. Also, logging in as root and
attempting to "su - tjh" fails (tjh is a user account I created).
I ran strace on the su process and you can see that it proceeds fine all
the way though to the setuid() call, but then cannot chdir() to
"/home/tjh", or even to "/"!
setuid(1000) = 0
chdir("/home/tjh") = -1 EACCES (Permission denied)
chdir("/") = -1 EACCES (Permission denied)
write(2, "Unable to cd to '/home/tjh'\n", 28Unable to cd to '/home/tjh')
= 28
Any thoughts? I was banking on using a btrfs volume for my containers.
Thanks in advance!
-- Thaddeus
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