Filesystem      Size  Used Avail Use% Mounted on
tmpfs           6.3G  4.5M  6.3G   1% /run
/dev/vda1       300G   41G  247G  15% /
tmpfs            32G  992K   32G   1% /dev/shm
tmpfs           5.0M     0  5.0M   0% /run/lock
tmpfs           6.3G  8.0K  6.3G   1% /run/user/1000
overlay         300G   41G  247G  15% /var/lib/docker/rootfs/overlayfs/15f7c28dbc221d2949ce2e76ba779abbf4dde9097bd4e6bda3f6c4abd6f87d41
tmpfs           512M  123M  390M  24% /opt/stack/data/etcd