zfs/scripts/zpool-config/lo-raidz2.sh

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2009-01-27 00:59:02 +00:00
#!/bin/bash
#
# 4 Device Loopback Raid-0 Configuration
#
FILES="/tmp/zpool-vdev0 \
/tmp/zpool-vdev1 \
/tmp/zpool-vdev2 \
/tmp/zpool-vdev3"
DEVICES=""
zpool_create() {
for FILE in ${FILES}; do
DEVICE=`unused_loop_device`
2009-01-27 00:59:02 +00:00
msg "Creating ${FILE} using loopback device ${DEVICE}"
rm -f ${FILE} || exit 1
dd if=/dev/zero of=${FILE} bs=1024k count=256 &>/dev/null ||
die "Error $? creating ${FILE}"
losetup ${DEVICE} ${FILE} ||
die "Error $? creating ${FILE} -> ${DEVICE} loopback"
DEVICES="${DEVICES} ${DEVICE}"
done
msg ${CMDDIR}/zpool/zpool create ${ZPOOL_NAME} raidz2 ${DEVICES}
${CMDDIR}/zpool/zpool create ${ZPOOL_NAME} raidz2 ${DEVICES} || exit 1
}
zpool_destroy() {
msg ${CMDDIR}/zpool/zpool destroy ${ZPOOL_NAME}
${CMDDIR}/zpool/zpool destroy ${ZPOOL_NAME}
for FILE in ${FILES}; do
DEVICE=`/sbin/losetup -a | grep ${FILE} | head -n1|cut -f1 -d:`
msg "Removing ${FILE} using loopback device ${DEVICE}"
losetup -d ${DEVICE} ||
die "Error $? destroying ${FILE} -> ${DEVICE} loopback"
rm -f ${FILE} || exit 1
done
}