vbackup(8): explain +refreshconfig, vmount address (Brian L. Stuart)
diff --git a/man/man8/vbackup.8 b/man/man8/vbackup.8
index 3fc07e1..89da1da 100644
--- a/man/man8/vbackup.8
+++ b/man/man8/vbackup.8
@@ -225,6 +225,11 @@
.I vmount
must be run by the user
.BR root .
+Because
+.I address
+is passed to the host OS kernel rather than interpreted by
+.IR dial (3),
+it must be only an IP address, not a full dial address.
.PP
.I Vnfs
serves, using the
@@ -344,6 +349,16 @@
rules are given, the default action is to reject the request.
In the absence of any rules, the default action is to accept all requests.
.PD
+.PP
+Reading the special file
+.B /dump/+refreshconfig
+causes
+.I vnfs
+to reload
+.IR config .
+The read returns either the string
+.B ok
+or an error message.
.SH EXAMPLES
.PP
Running on the server
