Filesystem      Size  Used Avail Use% Mounted on
udev            126G   12K  126G   1% /dev
tmpfs            26G  1.4M   26G   1% /run
/dev/dm-0       177G  2.5G  165G   2% /
none            4.0K     0  4.0K   0% /sys/fs/cgroup
none            5.0M     0  5.0M   0% /run/lock
none            126G     0  126G   0% /run/shm
none            100M     0  100M   0% /run/user
/dev/sda3       196M   59M  128M  32% /boot
/dev/sda4       3.1T  2.2G  3.1T   1% /var/lib/ceph/osd/ceph-6
