add module 90multipath

modules.d/90multipath/install

@@ -0,0 +1,14 @@
+if [[ $hostonly ]]; then
+    inst /etc/multipath.conf
+fi
+
+for f in  \
+    /sbin/multipath  \
+    /sbin/multipathd \
+    /lib/libmultipath*  \
+    /lib/multipath/* ;do 
+    inst $f
+done
+
+inst_hook pre-trigger 02 "$moddir/multipathd.sh"
+inst_hook pre-pivot   02 "$moddir/multipathd-stop.sh"

modules.d/90multipath/installkernel

@@ -0,0 +1 @@
+instmods dm-multipath dm-round-robin

modules.d/90multipath/multipathd-stop.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+if [ -e /etc/multipath.conf ]; then
+    HARD=""
+    while pidof multipathd >/dev/null 2>&1; do 
+        for pid in $(pidof multipathd); do
+            kill $HARD $pid >/dev/null 2>&1
+        done
+        HARD="-9"
+    done
+fi
+

modules.d/90multipath/multipathd.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+if [ -e /etc/multipath.conf ]; then
+	multipathd
+fi
+