On 04/08/2013 10:07 AM, Daniel P. Berrange wrote:
From: "Daniel P. Berrange" <berrange@redhat.com>
If the user requests a mount for /run, this may hide any existing mounts that are lower down in /run. The result is that the container still sees the mounts in /proc/mounts, but cannot access them
sh-4.2# df df: '/run/user/501/gvfs': No such file or directory df: '/run/media/berrange/LIVE': No such file or directory df: '/run/media/berrange/SecureDiskA1': No such file or directory df: '/run/libvirt/lxc/sandbox': No such file or directory Filesystem 1K-blocks Used Available Use% Mounted on /dev/mapper/vg_t500wlan-lv_root 151476396 135390200 8384900 95% / tmpfs 1970888 3204 1967684 1% /run /dev/sda1 194241 155940 28061 85% /boot devfs 64 0 64 0% /dev tmpfs 64 0 64 0% /sys/fs/cgroup tmpfs 1970888 1200 1969688 1% /etc/libvirt-sandbox/scratch
Before mounting any filesystem at a particular location, we must recursively unmount anything at or below the target mount point
Signed-off-by: Daniel P. Berrange <berrange@redhat.com> --- src/lxc/lxc_container.c | 4 ++++ 1 file changed, 4 insertions(+)
ACK. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org