doc: cephfs/fs-nfs-exports: command requires enabled orch module

Clarify that the "ceph nfs cluster create" command requires an
enabled ceph-mgr orchestrator module.

Signed-off-by: Nathan Cutler <ncutler@suse.com>
(cherry picked from commit 42a1194872a5bf003a1c80a7df952dacde82cbec)

diff --git a/doc/cephfs/fs-nfs-exports.rst b/doc/cephfs/fs-nfs-exports.rst
index c82a29d43d5a9160ee7378521a70c560af2db0f5..25e5c5798a65ada9199d141669122e7a76328aee 100644 (file)
--- a/doc/cephfs/fs-nfs-exports.rst
+++ b/doc/cephfs/fs-nfs-exports.rst
@@ -20,9 +20,11 @@ Create NFS Ganesha Cluster
     $ ceph nfs cluster create <type> <clusterid> [<placement>]
 
 This creates a common recovery pool for all NFS Ganesha daemons, new user based on
-cluster_id, and a common NFS Ganesha config RADOS object. It can also bring up
-NFS Ganesha daemons using the enabled ceph-mgr orchestrator module (see
-:doc:`/mgr/orchestrator`), e.g. cephadm.
+cluster_id, and a common NFS Ganesha config RADOS object.
+
+NOTE: Since this command also brings up NFS Ganesha daemons using a ceph-mgr
+orchestrator module (see :doc:`/mgr/orchestrator`) such as "mgr/cephadm", at
+least one such module must be enabled for it to work.
 
 <type> signifies the export type, which corresponds to the NFS Ganesha file
 system abstraction layer (FSAL). Permissible values are "cephfs" or "rgw", but