Make sure /etc/emulab/ismfs gets created in the BSD Frisbee MFS.

clientside/tmcc/freebsd/GNUmakefile.in

@@ -122,6 +122,9 @@ frisbee-mfs-install:	destdircheck
 	$(INSTALL) -m 755 -s ../findif $(SYSETCDIR)/testbed
 	rm -f $(BINDIR)/rc/rc.mkelab
 	rm -f $(RCDIR)/elvind.sh
+	@if [ ! -f $(ISMFS) ]; then \
+	    echo >$(ISMFS) "This file indicates its the MFS. DO NOT DELETE!"; \
+	fi
 
 cdboot-install:	destdircheck common-install etc-install \
 			script-install bin-install

clientside/tmcc/freebsd/rc.frisbee

@@ -557,9 +557,6 @@ case $STATUS in
 			dd if=/dev/zero of=/dev/$d bs=512 count=16
 		done
 
-		# XXX rc.nodecheck expects this
-		cp /dev/null $ETCDIR/ismfs
-
 		# XXX tmp, gather HW info (including disk speed tests)
 		if [ -x $BINDIR/rc.nodecheck ]; then
 		    $BINDIR/rc.nodecheck boot gather