55 lines
1.5 KiB
Bash
55 lines
1.5 KiB
Bash
#!/bin/bash
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#
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# 4 Device Loopback Raid-0 Configuration
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#
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FILES_M1="/tmp/zpool-vdev0 \
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/tmp/zpool-vdev1"
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FILES_M2="/tmp/zpool-vdev2 \
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/tmp/zpool-vdev3"
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FILES="${FILES_M1} ${FILES_M2}"
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DEVICES_M1=""
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DEVICES_M2=""
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zpool_create() {
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for FILE in ${FILES_M1}; do
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DEVICE=`unused_loop_device`
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msg "Creating ${FILE} using loopback device ${DEVICE}"
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rm -f ${FILE} || exit 1
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dd if=/dev/zero of=${FILE} bs=1024k count=256 &>/dev/null ||
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die "Error $? creating ${FILE}"
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losetup ${DEVICE} ${FILE} ||
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die "Error $? creating ${FILE} -> ${DEVICE} loopback"
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DEVICES_M1="${DEVICES_M1} ${DEVICE}"
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done
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for FILE in ${FILES_M2}; do
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DEVICE=`/sbin/losetup -f`
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msg "Creating ${FILE} using loopback device ${DEVICE}"
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rm -f ${FILE} || exit 1
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dd if=/dev/zero of=${FILE} bs=1024k count=256 &>/dev/null ||
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die "Error $? creating ${FILE}"
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losetup ${DEVICE} ${FILE} ||
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die "Error $? creating ${FILE} -> ${DEVICE} loopback"
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DEVICES_M2="${DEVICES_M2} ${DEVICE}"
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done
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msg ${CMDDIR}/zpool/zpool create ${ZPOOL_NAME} \
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mirror ${DEVICES_M1} mirror ${DEVICES_M2}
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${CMDDIR}/zpool/zpool create ${ZPOOL_NAME} \
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mirror ${DEVICES_M1} mirror ${DEVICES_M2}
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}
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zpool_destroy() {
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msg ${CMDDIR}/zpool/zpool destroy ${ZPOOL_NAME}
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${CMDDIR}/zpool/zpool destroy ${ZPOOL_NAME}
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for FILE in ${FILES}; do
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DEVICE=`/sbin/losetup -a | grep ${FILE} | head -n1|cut -f1 -d:`
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msg "Removing ${FILE} using loopback device ${DEVICE}"
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losetup -d ${DEVICE} ||
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die "Error $? destroying ${FILE} -> ${DEVICE} loopback"
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rm -f ${FILE} || exit 1
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done
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}
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