root@WinterFell:/mnt/backup/test# getfacl ./
# file: .
# owner: root
# group: root
user::rwx
group::rwx
group:storage:rwx
mask::rwx
other::r-x
default:user::rwx
default:group::rwx
default:group:storage:rwx
default:mask::rwx
default:other::r-x

root@WinterFell:/mnt/backup/test# getfacl o
# file: o
# owner: root
# group: root
user::rw-
group::rwx                      #effective:rw-
group:storage:rwx               #effective:rw-
mask::rw-
other::r--