+##
+# Execute exact command line on host
+#
+# The \a host may be on a local or remote node, which is determined at
+# the time the command is run. Does careful argument quotation to
+# ensure that the exact command line is executed without any globbing,
+# substitution, or shell interpretation on the remote side. Does not
+# support --verbose or --quiet. Does not include "$host: " prefixes on
+# output. See also do_facet_vp().
+#
+# usage: do_node_vp "$host" "$command" "$arg"...
+do_node_vp() {
+ local host="$1"
+ shift
+
+ if [[ "$host" == "$HOSTNAME" ]]; then
+ sh -c "$(printf -- ' %q' "$@")"
+ return $?
+ fi
+
+ if [[ "${PDSH}" != *pdsh* || "${PDSH}" != *-S* ]]; then
+ echo "cannot run '$*' on host '${host}' with PDSH='${PDSH}'" >&2
+ return 128
+ fi
+
+ # -N Disable hostname: prefix on lines of output.
+
+ $PDSH "${host}" -N "cd $RPWD; PATH=\$PATH:$RLUSTRE/utils:$RLUSTRE/tests:/sbin:/usr/sbin; export LUSTRE=$RLUSTRE; $(printf -- ' %q' "$@")"
+}
+