zfs/scripts/zpool-config/scsi_debug-noraid.sh

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#!/bin/bash
#
# 1 scsi_debug devices on top of which is layered no raid.
#
SDSIZE=${SDSIZE:-128}
SDHOSTS=${SDHOSTS:-1}
SDTGTS=${SDTGTS:-1}
SDLUNS=${SDLUNS:-1}
LDMOD=/sbin/modprobe
zpool_create() {
check_sd_utils
test `${LSMOD} | grep -c scsi_debug` -gt 0 && \
(echo 0 >/sys/module/scsi_debug/parameters/every_nth && \
${RMMOD} scsi_debug || exit 1)
udev_trigger
msg "${LDMOD} scsi_debug dev_size_mb=${SDSIZE} " \
"add_host=${SDHOSTS} num_tgts=${SDTGTS} " \
"max_luns=${SDLUNS}"
${LDMOD} scsi_debug \
dev_size_mb=${SDSIZE} \
add_host=${SDHOSTS} \
num_tgts=${SDTGTS} \
max_luns=${SDLUNS} || \
die "Error $? creating scsi_debug devices"
udev_trigger
SDDEVICE=`${LSSCSI}|${AWK} '/scsi_debug/ { print $6; exit }'`
msg "${PARTED} -s ${SDDEVICE} mklabel gpt"
${PARTED} -s ${SDDEVICE} mklabel gpt || \
(${RMMOD} scsi_debug && die "Error $? creating gpt label")
msg "${ZPOOL} create ${ZPOOL_FLAGS} ${ZPOOL_NAME} ${SDDEVICE}"
${ZPOOL} create ${ZPOOL_FLAGS} ${ZPOOL_NAME} ${SDDEVICE} || \
(${RMMOD} scsi_debug && exit 1)
}
zpool_destroy() {
msg ${ZPOOL} destroy ${ZPOOL_NAME}
${ZPOOL} destroy ${ZPOOL_NAME}
msg "${RMMOD} scsi_debug"
${RMMOD} scsi_debug || die "Error $? removing scsi_debug devices"
}