`rootfs`: `[volume=]<volume> [,acl=<acl>] [,backup=<[1|0]>] [,quota=<[0|1]>] [,ro=<ro>] [,size=<DiskSize>]`

`mp[n]`: `mp=<Path>, [volume=]<volume> [,acl=<acl>] [,backup=<[1|0]>] [,quota=<[0|1]>] [,ro=<ro>] [,size=<DiskSize>]`

`acl`: `<acl>` ::

Explicitly enable or disable ACL support.

`backup`: `<[1|0]>` ::

Whether to include the mountpoint in backups.

`mp`: `<Path>` ::

Path to the mountpoint as seen from inside the container.

`quota`: `<[0|1]>` ::

Enable user quotas inside the container (not supported with zfs subvolumes)

`ro`: `<ro>` ::

Read-only mountpoint (not supported with bind mounts)

`size`: `<DiskSize>` ::

Volume size (read only value).

`volume`: `<volume>` ::

Volume, device or directory to mount into the container.