Filesystem      Size  Used Avail Use% Mounted on
tmpfs           795M  4.1M  791M   1% /run
/dev/vda1        37G   20G   16G  56% /
tmpfs           3.9G  188K  3.9G   1% /dev/shm
tmpfs           5.0M     0  5.0M   0% /run/lock
tmpfs           795M  8.0K  795M   1% /run/user/1000
tmpfs           512M  123M  390M  24% /opt/stack/data/etcd
/dev/loop0      2.0G   91M  1.9G   5% /opt/stack/data/swift/drives/sdb1