On 5/10/19 5:54 PM, Jeff Layton wrote: > From: Jeff Layton <jlayton@xxxxxxxxxx> > > I occasionally see people that expect valid info when running showmount > against a server that may export some or all filesystems via NFSv4. > Let's make it clear that it only works by talking to the remote MNT > service, and that that may not be available from a v4-only server. > > Cc: Jan Fajerski <jfajerski@xxxxxxxx> > Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx> Committed... steved. > --- > utils/showmount/showmount.man | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/utils/showmount/showmount.man b/utils/showmount/showmount.man > index a2f510fb5617..35818e1b61c5 100644 > --- a/utils/showmount/showmount.man > +++ b/utils/showmount/showmount.man > @@ -56,5 +56,10 @@ Because > .B showmount > sorts and uniqs the output, it is impossible to determine from > the output whether a client is mounting the same directory more than once. > +.P > +.B showmount > +works by contacting the server's MNT service directly. NFSv4-only servers have > +no need to advertise their exported root filehandles via this method, and may > +not expose their MNT service to clients. > .SH AUTHOR > Rick Sladkey <jrs@xxxxxxxxxxxxx> > -- 2.21.0 >