1 files changed, 72 insertions, 0 deletions
diff --git a/scripts/zpool-config/lo-faulty-raidz2.sh b/scripts/zpool-config/lo-faulty-raidz2.sh
new file mode 100644
index 000000000..2522fa7e7
--- /dev/null
+++ b/scripts/zpool-config/lo-faulty-raidz2.sh
@@ -0,0 +1,72 @@
+#!/bin/bash
+#
+# 4 loopback devices using the md faulty level for easy
+# fault injection on top of which is layered raidz2.
+#
+#     zpool-vdev0    zpool-vdev1    zpool-vdev2    zpool-vdev3
+#     loop0          loop1          loop2          loop3
+#     md0 (faulty)   md1 (faulty)   md2 (faulty)   md3 (faulty)
+#     <--------------------- raidz2 zpool -------------------->
+#
+
+FILES="/tmp/zpool-vdev0  \
+       /tmp/zpool-vdev1  \
+       /tmp/zpool-vdev2  \
+       /tmp/zpool-vdev3"
+LODEVICES=""
+MDDEVICES=""
+
+zpool_create() {
+	check_loop_utils
+	check_md_utils
+	check_md_partitionable || die "Error non-partitionable md devices"
+
+	for FILE in ${FILES}; do
+		LODEVICE=`unused_loop_device`
+		MDDEVICE=`unused_md_device`
+
+		rm -f ${FILE} || exit 1
+		dd if=/dev/zero of=${FILE} bs=1M count=0 seek=256 \
+			&>/dev/null || die "Error $? creating ${FILE}"
+
+		# Setup the loopback device on the file.
+		msg "Creating ${LODEVICE} using ${FILE}"
+		${LOSETUP} ${LODEVICE} ${FILE} || \
+			die "Error $? creating ${LODEVICE} using ${FILE}"
+
+		LODEVICES="${LODEVICES} ${LODEVICE}"
+
+		# Setup the md device on the loopback device.
+		msg "Creating ${MDDEVICE} using ${LODEVICE}"
+		${MDADM} --build ${MDDEVICE} --level=faulty                  \
+			--raid-devices=1 ${LODEVICE} &>/dev/null ||          \
+			(destroy_md_devices "${MDDEVICES}" &&                \
+			destroy_loop_devices "${LODEVICES}" &&               \
+			die "Error $? creating ${MDDEVICE} using ${LODEVICE}")
+		wait_udev ${MDDEVICE} 30 ||                                  \
+			(destroy_md_devices "${MDDEVICES}" &&                \
+			destroy_loop_devices "${LODEVICES}" &&               \
+			die "Error udev never created ${MDDEVICE}")
+
+		# Create empty GPT/EFI partition table.
+		${PARTED} --script ${MDDEVICE} mklabel gpt
+		MDDEVICES="${MDDEVICES} ${MDDEVICE}"
+	done
+
+	msg ${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} raidz2 ${MDDEVICES}
+	${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} raidz2 ${MDDEVICES} ||   \
+		(destroy_md_devices "${MDDEVICES}" &&                        \
+		destroy_loop_devices "${LODEVICES}" && exit 1)
+
+	echo "$LODEVICES" >/tmp/zpool-lo.txt
+	echo "$MDDEVICES" >/tmp/zpool-md.txt
+}
+
+zpool_destroy() {
+	msg ${ZPOOL} destroy ${ZPOOL_NAME}
+	${ZPOOL} destroy ${ZPOOL_NAME}
+	destroy_md_devices "`cat /tmp/zpool-md.txt`"
+	destroy_loop_devices "`cat /tmp/zpool-lo.txt`"
+
+	rm -f /tmp/zpool-md.txt /tmp/zpool-lo.txt
+}