`rootfs`: `[volume=] [,acl=<1|0>] [,quota=<1|0>] [,ro=<1|0>] [,shared=<1|0>] [,size=]` :: Use volume as container root. See below for a detailed description of all options. `mp[n]`: `[volume=] ,mp= [,acl=<1|0>] [,backup=<1|0>] [,quota=<1|0>] [,ro=<1|0>] [,shared=<1|0>] [,size=]` :: Use volume as container mount point. `acl`=`` ;; Explicitly enable or disable ACL support. `backup`=`` ;; Whether to include the mount point in backups (only used for volume mount points). `mp`=`` ;; Path to the mount point as seen from inside the container. + NOTE: Must not contain any symlinks for security reasons. `quota`=`` ;; Enable user quotas inside the container (not supported with zfs subvolumes) `ro`=`` ;; Read-only mount point `shared`=`` ('default =' `0`);; Mark this non-volume mount point as available on all nodes. + WARNING: This option does not share the mount point automatically, it assumes it is shared already! `size`=`` ;; Volume size (read only value). `volume`=`` ;; Volume, device or directory to mount into the container.