Filesystem      Size  Used Avail Use% Mounted on
/dev/vda2       400G   29G  372G   8% /
devtmpfs        7.7G     0  7.7G   0% /dev
tmpfs           7.7G  104K  7.7G   1% /dev/shm
tmpfs           3.1G  310M  2.8G  10% /run
tmpfs           1.0M     0  1.0M   0% /run/credentials/serial-getty@ttyS0.service
tmpfs           1.0M     0  1.0M   0% /run/credentials/getty@tty1.service
tmpfs           1.6G  4.0K  1.6G   1% /run/user/1000
tmpfs           1.0M     0  1.0M   0% /run/credentials/systemd-journald.service
tmpfs           512M  123M  390M  24% /opt/stack/data/etcd
/dev/loop0      6.0G  216M  5.8G   4% /opt/stack/data/swift/drives/sdb1
tmpfs           1.6G  4.0K  1.6G   1% /run/user/0