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Re: [libvirt] With different libvirt version, lxc-enter-namespace return Different Execution results.



On Thu, Aug 08, 2013 at 03:56:35PM +0800, hzguanqiang corp netease com wrote:
> But when I did the same thing under libvirt of version 1.1.0 with debian host OS, the execution result changed:
> 
> #disk info of host
> hzguanqiang debian:~$ df -hl
> Filesystem                                              Size  Used Avail Use% Mounted on
> rootfs                                                  4.0G  1.6G  2.2G  42% /
> udev                                                     10M     0   10M   0% /dev
> tmpfs                                                   4.8G  468K  4.8G   1% /run
> /dev/disk/by-uuid/12bb656b-4f80-4386-aa07-4bf90a3111b4  4.0G  1.6G  2.2G  42% /
> tmpfs                                                   5.0M  4.0K  5.0M   1% /run/lock
> tmpfs                                                   9.9G     0  9.9G   0% /run/shm
> /dev/sda8                                               428G  112G  313G  27% /home
> /dev/sda6                                               7.9G  159M  7.8G   2% /tmp
> /dev/sda5                                                16G  2.7G   14G  17% /var
> cgroup_root                                              24G     0   24G   0% /sys/fs/cgroup
> /dev/nbd5                                               1.4G  851M  466M  65% /home/openstack/stack/data/nova/instances/eed45ccb-3707-4815-9ae4-c7a2f56adb64/rootfs


> hzguanqiang debian:~$ vir lxc-enter-namespace  instance-00000037 --noseclabel /bin/df -hl
> Filesystem                                              Size  Used Avail Use% Mounted on
> rootfs                                                  4.0G  1.6G  2.2G  42% /
> udev                                                     10M     0   10M   0% /dev
> tmpfs                                                   4.8G  468K  4.8G   1% /run
> /dev/disk/by-uuid/12bb656b-4f80-4386-aa07-4bf90a3111b4  4.0G  1.6G  2.2G  42% /
> tmpfs                                                   5.0M  4.0K  5.0M   1% /run/lock
> tmpfs                                                   9.9G     0  9.9G   0% /run/shm
> /dev/sda8                                               428G  112G  313G  27% /home
> /dev/sda6                                               7.9G  159M  7.8G   2% /tmp
> /dev/sda5                                                16G  2.7G   14G  17% /var
> cgroup_root                                              24G     0   24G   0% /sys/fs/cgroup
> /dev/nbd5                                               1.4G  851M  466M  65% /home/openstack/stack/data/nova/instances/eed45ccb-3707-4815-9ae4-c7a2f56adb64/rootfs

What does  'ls /proc/self/ns' show on the host ?

Also what is your guest XML configuration for 'intsance-0000000037' ?

Daniel
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