--- elwix/config/etc/default/rc.flash	2017/10/13 00:01:12	1.1
+++ elwix/config/etc/default/rc.flash	2017/10/13 00:01:12	1.1.2.1
@@ -0,0 +1,32 @@
+#!/bin/sh
+#
+# Update ELWIX OS flash images
+#
+# $Id: rc.flash,v 1.1.2.1 2017/10/13 00:01:12 misho Exp $
+
+die() { echo -n "ERROR:: " >&2; echo "$@" >&2; exit 1; }
+
+case "$1" in
+	primary|first|main|A|1)
+		CFG_NAND_MAP=`gpart show -p | awk '(NR == 1) { disk = $4; } ($3 == disk"a") { printf("/dev/%s", $3); }'`
+		CFG_NAND_SIZE=`gpart show -p | awk '(NR == 1) { disk = $4; } ($3 == disk"a") { printf("%s", $2 * 512); }'`
+
+		sysctl -w kern.geom.debugflags=16
+		imgupd -is $CFG_NAND_SIZE -f $CFG_NAND_MAP
+		tunefs -L elwix $CFG_NAND_MAP
+		/etc/rc.cfg boot
+		reboot
+		;;
+	secondary|second|backup|B|2)
+		CFG_NAND_MAP=`gpart show -p | awk '(NR == 1) { disk = $4; } ($3 == disk"f") { printf("/dev/%s", $3); }'`
+		CFG_NAND_SIZE=`gpart show -p | awk '(NR == 1) { disk = $4; } ($3 == disk"f") { printf("%s", $2 * 512); }'`
+
+		imgupd -is $CFG_NAND_SIZE -f $CFG_NAND_MAP
+		tunefs -L elwix2 $CFG_NAND_MAP
+		/etc/rc.cfg boot2
+		reboot
+		;;
+	*)
+		die "Unknown $1 image ..."
+		;;
+esac