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From: Rick Macklem <rmacklem@FreeBSD.org>
Date: Mon, 1 Jul 2013 21:41:13 +0000 (UTC)
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Subject: svn commit: r252483 - head/usr.sbin/nfsd
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Author: rmacklem
Date: Mon Jul  1 21:41:12 2013
New Revision: 252483
URL: http://svnweb.freebsd.org/changeset/base/252483

Log:
  Document the fact that an NFSv4 mount uses the host uuid to uniquely
  identify the client to the server. As such, NFSv4 mounts
  will break if host_enable="NO" is specified.
  This is a content change.
  
  Suggested by:	lars@netapp.com
  MFC after:	3 days

Modified:
  head/usr.sbin/nfsd/nfsv4.4

Modified: head/usr.sbin/nfsd/nfsv4.4
==============================================================================
--- head/usr.sbin/nfsd/nfsv4.4	Mon Jul  1 21:33:05 2013	(r252482)
+++ head/usr.sbin/nfsd/nfsv4.4	Mon Jul  1 21:41:12 2013	(r252483)
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd May 1, 2013
+.Dd July 1, 2013
 .Dt NFSV4 4
 .Os
 .Sh NAME
@@ -233,6 +233,20 @@ plus set ``tcp'' and
 The
 .Xr nfsuserd 8
 must be running, as above.
+Also, since an
+.Nm
+mount uses the host uuid to identify the client uniquely to the server,
+you cannot safely do an
+.Nm
+mount when
+.sp
+.Bd -literal -offset indent -compact
+hostid_enable="NO"
+.Ed
+.sp
+is set in
+.Xr rc.conf 5 .
+.sp
 If the
 .Nm
 server that is being mounted on supports delegations, you can start the