3 # 4 Device Loopback Raid-0 Configuration
6 FILES="/tmp/zpool-vdev0 \
15 for FILE in ${FILES}; do
16 DEVICE=`unused_loop_device`
17 msg "Creating ${FILE} using loopback device ${DEVICE}"
18 rm -f ${FILE} || exit 1
19 dd if=/dev/zero of=${FILE} bs=1024k count=0 seek=256 \
20 &>/dev/null || die "Error $? creating ${FILE}"
21 ${LOSETUP} ${DEVICE} ${FILE} ||
22 die "Error $? creating ${FILE} -> ${DEVICE} loopback"
23 DEVICES="${DEVICES} ${DEVICE}"
26 msg ${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} raidz2 ${DEVICES}
27 ${ZPOOL} create ${FORCE_FLAG} ${ZPOOL_NAME} raidz2 ${DEVICES} || exit 1
31 msg ${ZPOOL} destroy ${ZPOOL_NAME}
32 ${ZPOOL} destroy ${ZPOOL_NAME}
34 # Delay to ensure device is closed before removing loop device
37 for FILE in ${FILES}; do
38 DEVICE=`${LOSETUP} -a | grep ${FILE} | head -n1|cut -f1 -d:`
39 msg "Removing ${FILE} using loopback device ${DEVICE}"
40 ${LOSETUP} -d ${DEVICE} ||
41 die "Error $? destroying ${FILE} -> ${DEVICE} loopback"
42 rm -f ${FILE} || exit 1