[lxc-users] lxc-snapshot with btrfs on debian 8.1

[Serge Hallyn]

Quoting Matthias Leopold (matthias at leopold.priv.at):
> Hi,
> 
> i'm very new to lxc and btrfs. i'm just playing around and can't use
> lxc-snapshot like it's being described.
> 
> error looks like this
> 
> root at debian:~# lxc-snapshot -n c001
> lxc_container: failed getting pathnames for cloned storage:
> /var/lib/lxc/c001/rootfs
> lxc_container: Error copying storage
> lxc_container: clone of /var/lib/lxc:c001 failed
> lxc_container: Error creating a snapshot
> 
> some questions below. i admit to having rtfm'ed only quickly ;-)
> 
> do /var/lib/lxc and /var/lib/lxcsnaps have to reside on the _same_

What version of lxc are you on?  Since quite some time ago lxc
should by default be using /var/lib/lxc/$container/snaps, which
certainly should be on the same btrfs

> btrfs filesystem for lxc-snaphot to work? currentyl i have two
> separate btrfs filesystems
> 
> is /var/lib/lxcsnaps used at all when doing snapshots on a btrfs
> /var/lib/lxc?
> 
> do btrfs snapshots have to reside below the snapshotted root?
> 
> is this related to
> https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1414771 ?
> 
> thx
> matthias
> 
> 
> 
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