[root@antlet53 ~]# setfacl -m d:o:rx /usr/uv
setfacl: /usr/uv: Operation not supported
[root@antlet53 ~]# mount | grep acl
antlets/centos.uv on / type zfs (rw,noatime,xattr,noacl)
[root@antlet53 ~]# cat /etc/fstab
/dev/root / rootfs defaults,acl 0 0
How do I enable acl support for a directory under /usr