6cb7ab069d
The function unused_loop_device in /usr/libexec/zfs/common.sh returns /dev/loop-control on the first call. This device is NOT a loop device (https://github.com/torvalds/linux/commit/770fe30) it is a control device. This in turn causes the script zconfig.sh to fail with: zpool-create.sh: Error 1 creating /tmp/zpool-vdev0 -> /dev/loop-control loopback The patch makes the function return /dev/loop[0-9]* which are loop devices. Signed-off-by: Andrew Reid <ColdCanuck@nailedtotheperch.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #797
722 lines
15 KiB
Bash
722 lines
15 KiB
Bash
#!/bin/bash
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#
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# Common support functions for testing scripts. If a script-config
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# files is available it will be sourced so in-tree kernel modules and
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# utilities will be used. If no script-config can be found then the
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# installed kernel modules and utilities will be used.
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basedir="$(dirname $0)"
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SCRIPT_CONFIG=zfs-script-config.sh
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if [ -f "${basedir}/../${SCRIPT_CONFIG}" ]; then
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. "${basedir}/../${SCRIPT_CONFIG}"
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else
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KERNEL_MODULES=(zlib_deflate zlib_inflate)
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MODULES=(spl splat zavl znvpair zunicode zcommon zfs)
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fi
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PROG="<define PROG>"
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CLEANUP=
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VERBOSE=
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VERBOSE_FLAG=
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FORCE=
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FORCE_FLAG=
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DUMP_LOG=
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ERROR=
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RAID0S=()
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RAID10S=()
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RAIDZS=()
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RAIDZ2S=()
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TESTS_RUN=${TESTS_RUN:-'*'}
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TESTS_SKIP=${TESTS_SKIP:-}
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prefix=@prefix@
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exec_prefix=@exec_prefix@
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libexecdir=@libexecdir@
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pkglibexecdir=${libexecdir}/@PACKAGE@
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bindir=@bindir@
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sbindir=@sbindir@
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udevdir=@udevdir@
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udevruledir=@udevruledir@
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sysconfdir=@sysconfdir@
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ETCDIR=${ETCDIR:-/etc}
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DEVDIR=${DEVDIR:-/dev/disk/zpool}
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ZPOOLDIR=${ZPOOLDIR:-${pkglibexecdir}/zpool-config}
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ZPIOSDIR=${ZPIOSDIR:-${pkglibexecdir}/zpios-test}
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ZPIOSPROFILEDIR=${ZPIOSPROFILEDIR:-${pkglibexecdir}/zpios-profile}
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ZDB=${ZDB:-${sbindir}/zdb}
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ZFS=${ZFS:-${sbindir}/zfs}
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ZINJECT=${ZINJECT:-${sbindir}/zinject}
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ZPOOL=${ZPOOL:-${sbindir}/zpool}
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ZPOOL_ID=${ZPOOL_ID:-${bindir}/zpool_id}
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ZTEST=${ZTEST:-${sbindir}/ztest}
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ZPIOS=${ZPIOS:-${sbindir}/zpios}
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COMMON_SH=${COMMON_SH:-${pkglibexecdir}/common.sh}
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ZFS_SH=${ZFS_SH:-${pkglibexecdir}/zfs.sh}
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ZPOOL_CREATE_SH=${ZPOOL_CREATE_SH:-${pkglibexecdir}/zpool-create.sh}
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ZPIOS_SH=${ZPIOS_SH:-${pkglibexecdir}/zpios.sh}
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ZPIOS_SURVEY_SH=${ZPIOS_SURVEY_SH:-${pkglibexecdir}/zpios-survey.sh}
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LDMOD=${LDMOD:-/sbin/modprobe}
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LSMOD=${LSMOD:-/sbin/lsmod}
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RMMOD=${RMMOD:-/sbin/rmmod}
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INFOMOD=${INFOMOD:-/sbin/modinfo}
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LOSETUP=${LOSETUP:-/sbin/losetup}
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MDADM=${MDADM:-/sbin/mdadm}
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PARTED=${PARTED:-/sbin/parted}
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BLOCKDEV=${BLOCKDEV:-/sbin/blockdev}
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LSSCSI=${LSSCSI:-/usr/bin/lsscsi}
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SCSIRESCAN=${SCSIRESCAN:-/usr/bin/scsi-rescan}
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SYSCTL=${SYSCTL:-/sbin/sysctl}
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UDEVADM=${UDEVADM:-/sbin/udevadm}
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AWK=${AWK:-/usr/bin/awk}
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COLOR_BLACK="\033[0;30m"
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COLOR_DK_GRAY="\033[1;30m"
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COLOR_BLUE="\033[0;34m"
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COLOR_LT_BLUE="\033[1;34m"
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COLOR_GREEN="\033[0;32m"
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COLOR_LT_GREEN="\033[1;32m"
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COLOR_CYAN="\033[0;36m"
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COLOR_LT_CYAN="\033[1;36m"
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COLOR_RED="\033[0;31m"
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COLOR_LT_RED="\033[1;31m"
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COLOR_PURPLE="\033[0;35m"
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COLOR_LT_PURPLE="\033[1;35m"
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COLOR_BROWN="\033[0;33m"
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COLOR_YELLOW="\033[1;33m"
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COLOR_LT_GRAY="\033[0;37m"
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COLOR_WHITE="\033[1;37m"
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COLOR_RESET="\033[0m"
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die() {
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echo -e "${PROG}: $1" >&2
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exit 1
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}
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msg() {
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if [ ${VERBOSE} ]; then
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echo "$@"
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fi
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}
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pass() {
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echo -e "${COLOR_GREEN}Pass${COLOR_RESET}"
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}
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fail() {
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echo -e "${COLOR_RED}Fail${COLOR_RESET} ($1)"
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exit $1
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}
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skip() {
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echo -e "${COLOR_BROWN}Skip${COLOR_RESET}"
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}
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init() {
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# Disable the udev rule 90-zfs.rules to prevent the zfs module
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# stack from being loaded due to the detection of a zfs device.
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# This is important because the test scripts require full control
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# over when and how the modules are loaded/unloaded. A trap is
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# set to ensure the udev rule is correctly replaced on exit.
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local RULE=${udevruledir}/90-zfs.rules
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if test -e ${RULE}; then
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trap "mv ${RULE}.disabled ${RULE}; exit $?" INT TERM EXIT
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mv ${RULE} ${RULE}.disabled
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fi
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}
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spl_dump_log() {
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${SYSCTL} -w kernel.spl.debug.dump=1 &>/dev/null
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local NAME=`dmesg | tail -n 1 | cut -f5 -d' '`
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${SPLBUILD}/cmd/spl ${NAME} >${NAME}.log
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echo
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echo "Dumped debug log: ${NAME}.log"
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tail -n1 ${NAME}.log
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echo
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return 0
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}
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check_modules() {
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local LOADED_MODULES=()
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local MISSING_MODULES=()
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for MOD in ${MODULES[*]}; do
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local NAME=`basename $MOD .ko`
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if ${LSMOD} | egrep -q "^${NAME}"; then
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LOADED_MODULES=(${NAME} ${LOADED_MODULES[*]})
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fi
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if [ ${INFOMOD} ${MOD} 2>/dev/null ]; then
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MISSING_MODULES=("\t${MOD}\n" ${MISSING_MODULES[*]})
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fi
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done
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if [ ${#LOADED_MODULES[*]} -gt 0 ]; then
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ERROR="Unload these modules with '${PROG} -u':\n"
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ERROR="${ERROR}${LOADED_MODULES[*]}"
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return 1
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fi
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if [ ${#MISSING_MODULES[*]} -gt 0 ]; then
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ERROR="The following modules can not be found,"
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ERROR="${ERROR} ensure your source trees are built:\n"
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ERROR="${ERROR}${MISSING_MODULES[*]}"
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return 1
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fi
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return 0
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}
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load_module() {
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local NAME=`basename $1 .ko`
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if [ ${VERBOSE} ]; then
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echo "Loading ${NAME} ($@)"
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fi
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${LDMOD} $* &>/dev/null || ERROR="Failed to load $1" return 1
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return 0
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}
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load_modules() {
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mkdir -p /etc/zfs
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for MOD in ${KERNEL_MODULES[*]}; do
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load_module ${MOD}
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done
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for MOD in ${MODULES[*]}; do
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local NAME=`basename ${MOD} .ko`
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local VALUE=
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for OPT in "$@"; do
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OPT_NAME=`echo ${OPT} | cut -f1 -d'='`
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if [ ${NAME} = "${OPT_NAME}" ]; then
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VALUE=`echo ${OPT} | cut -f2- -d'='`
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fi
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done
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load_module ${MOD} ${VALUE} || return 1
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done
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if [ ${VERBOSE} ]; then
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echo "Successfully loaded ZFS module stack"
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fi
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return 0
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}
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unload_module() {
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local NAME=`basename $1 .ko`
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if [ ${VERBOSE} ]; then
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echo "Unloading ${NAME} ($@)"
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fi
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${RMMOD} ${NAME} || ERROR="Failed to unload ${NAME}" return 1
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return 0
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}
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unload_modules() {
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local MODULES_REVERSE=( $(echo ${MODULES[@]} |
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${AWK} '{for (i=NF;i>=1;i--) printf $i" "} END{print ""}') )
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for MOD in ${MODULES_REVERSE[*]}; do
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local NAME=`basename ${MOD} .ko`
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local USE_COUNT=`${LSMOD} |
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egrep "^${NAME} "| ${AWK} '{print $3}'`
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if [ "${USE_COUNT}" = 0 ] ; then
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if [ "${DUMP_LOG}" -a ${NAME} = "spl" ]; then
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spl_dump_log
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fi
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unload_module ${MOD} || return 1
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fi
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done
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if [ ${VERBOSE} ]; then
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echo "Successfully unloaded ZFS module stack"
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fi
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return 0
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}
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#
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# Check that the mdadm utilities are installed.
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#
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check_loop_utils() {
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test -f ${LOSETUP} || die "${LOSETUP} utility must be installed"
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}
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#
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# Find and return an unused loopback device.
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#
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unused_loop_device() {
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for DEVICE in `ls -1 /dev/loop[0-9]* 2>/dev/null`; do
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${LOSETUP} ${DEVICE} &>/dev/null
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if [ $? -ne 0 ]; then
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echo ${DEVICE}
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return
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fi
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done
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die "Error: Unable to find unused loopback device"
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}
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#
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# This can be slightly dangerous because the loop devices we are
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# cleaning up may not be ours. However, if the devices are currently
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# in use we will not be able to remove them, and we only remove
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# devices which include 'zpool' in the name. So any damage we might
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# do should be limited to other zfs related testing.
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#
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cleanup_loop_devices() {
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local TMP_FILE=`mktemp`
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${LOSETUP} -a | tr -d '()' >${TMP_FILE}
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${AWK} -F":" -v losetup="$LOSETUP" \
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'/zpool/ { system("losetup -d "$1) }' ${TMP_FILE}
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${AWK} -F" " '/zpool/ { system("rm -f "$3) }' ${TMP_FILE}
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rm -f ${TMP_FILE}
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}
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#
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# Destroy the passed loopback devices, this is used when you know
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# the names of the loopback devices.
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#
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destroy_loop_devices() {
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local LODEVICES="$1"
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msg "Destroying ${LODEVICES}"
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${LOSETUP} -d ${LODEVICES} || \
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die "Error $? destroying ${FILE} -> ${DEVICE} loopback"
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rm -f ${FILES}
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return 0
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}
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#
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# Create a device label.
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#
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label() {
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local DEVICE=$1
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local LABEL=$2
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${PARTED} ${DEVICE} --script -- mklabel ${LABEL} || return 1
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return 0
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}
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#
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# Create a primary partition on a block device.
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#
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partition() {
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local DEVICE=$1
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local TYPE=$2
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local START=$3
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local END=$4
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${PARTED} --align optimal ${DEVICE} --script -- \
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mkpart ${TYPE} ${START} ${END} || return 1
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udev_trigger
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return 0
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}
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#
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# Create a filesystem on the block device
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#
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format() {
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local DEVICE=$1
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local FSTYPE=$2
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# Force 4K blocksize, else mkfs.ext2 tries to use 8K, which
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# won't mount
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/sbin/mkfs.${FSTYPE} -b 4096 -F -q ${DEVICE} || return 1
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return 0
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}
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#
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# Check that the mdadm utilities are installed.
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#
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check_md_utils() {
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test -f ${MDADM} || die "${MDADM} utility must be installed"
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test -f ${PARTED} || die "${PARTED} utility must be installed"
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}
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check_md_partitionable() {
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local LOFILE=`mktemp -p /tmp zpool-lo.XXXXXXXX`
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local LODEVICE=`unused_loop_device`
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local MDDEVICE=`unused_md_device`
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local RESULT=1
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check_md_utils
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rm -f ${LOFILE}
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dd if=/dev/zero of=${LOFILE} bs=1M count=0 seek=16 \
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&>/dev/null || return ${RESULT}
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msg "Creating ${LODEVICE} using ${LOFILE}"
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${LOSETUP} ${LODEVICE} ${LOFILE}
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if [ $? -ne 0 ]; then
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rm -f ${LOFILE}
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return ${RESULT}
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fi
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msg "Creating ${MDDEVICE} using ${LODEVICE}"
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${MDADM} --build ${MDDEVICE} --level=faulty \
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--raid-devices=1 ${LODEVICE} &>/dev/null
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if [ $? -ne 0 ]; then
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destroy_loop_devices ${LODEVICE}
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rm -f ${LOFILE}
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return ${RESULT}
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fi
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wait_udev ${MDDEVICE} 30
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${BLOCKDEV} --rereadpt ${MDDEVICE} 2>/dev/null
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RESULT=$?
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destroy_md_devices ${MDDEVICE}
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destroy_loop_devices ${LODEVICE}
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rm -f ${LOFILE}
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return ${RESULT}
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}
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#
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# Find and return an unused md device.
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#
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unused_md_device() {
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for (( i=0; i<32; i++ )); do
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MDDEVICE=md${i}
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# Skip active devicesudo in /proc/mdstat.
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grep -q "${MDDEVICE} " /proc/mdstat && continue
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# Device doesn't exist, use it.
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if [ ! -e $/dev/{MDDEVICE} ]; then
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echo /dev/${MDDEVICE}
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return
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fi
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# Device exists but may not be in use.
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if [ -b /dev/${MDDEVICE} ]; then
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${MDADM} --detail /dev/${MDDEVICE} &>/dev/null
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if [ $? -eq 1 ]; then
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echo /dev/${MDDEVICE}
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return
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fi
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fi
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done
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die "Error: Unable to find unused md device"
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}
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#
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# This can be slightly dangerous because it is possible the md devices
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# we are cleaning up may not be ours. However, if the devices are
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# currently in use we will not be able to remove them, and even if
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# we remove devices which were not out we do not zero the super block
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# so you should be able to reconstruct them.
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#
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cleanup_md_devices() {
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destroy_md_devices "`ls /dev/md* 2>/dev/null | grep -v p`"
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udev_trigger
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}
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#
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# Destroy the passed md devices, this is used when you know
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# the names of the md devices.
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#
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destroy_md_devices() {
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local MDDEVICES="$1"
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msg "Destroying ${MDDEVICES}"
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for MDDEVICE in ${MDDEVICES}; do
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${MDADM} --stop ${MDDEVICE} &>/dev/null
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${MDADM} --remove ${MDDEVICE} &>/dev/null
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${MDADM} --detail ${MDDEVICE} &>/dev/null
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done
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return 0
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}
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#
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# Check that the scsi utilities are installed.
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#
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check_sd_utils() {
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${INFOMOD} scsi_debug &>/dev/null || die "scsi_debug module required"
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test -f ${LSSCSI} || die "${LSSCSI} utility must be installed"
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}
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#
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# Rescan the scsi bus for scsi_debug devices. It is preferable to use the
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# scsi-rescan tool if it is installed, but if it's not we can fall back to
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# removing and readding the device manually. This rescan will only effect
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# the first scsi_debug device if scsi-rescan is missing.
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#
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scsi_rescan() {
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local AWK_SCRIPT="/scsi_debug/ { print \$1; exit }"
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if [ -f ${SCSIRESCAN} ]; then
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${SCSIRESCAN} --forcerescan --remove &>/dev/null
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else
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local SCSIID=`${LSSCSI} | ${AWK} "${AWK_SCRIPT}" | tr -d '[]'`
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local SCSIHOST=`echo ${SCSIID} | cut -f1 -d':'`
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echo 1 >"/sys/class/scsi_device/${SCSIID}/device/delete"
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udev_trigger
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echo "- - -" >/sys/class/scsi_host/host${SCSIHOST}/scan
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udev_trigger
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fi
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}
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#
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# Trigger udev and wait for it to settle.
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#
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udev_trigger() {
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if [ -f ${UDEVADM} ]; then
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${UDEVADM} trigger --action=change --subsystem-match=block
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${UDEVADM} settle
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else
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/sbin/udevtrigger
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/sbin/udevsettle
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fi
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}
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#
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# The following udev helper functions assume that the provided
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# udev rules file will create a /dev/disk/zpool/<CHANNEL><RANK>
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# disk mapping. In this mapping each CHANNEL is represented by
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# the letters a-z, and the RANK is represented by the numbers
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# 1-n. A CHANNEL should identify a group of RANKS which are all
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# attached to a single controller, each RANK represents a disk.
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# This provides a simply mechanism to locate a specific drive
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# given a known hardware configuration.
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#
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udev_setup() {
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local SRC_PATH=$1
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# When running in tree manually contruct symlinks in tree to
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# the proper devices. Symlinks are installed for all entires
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# in the config file regardless of if that device actually
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# exists. When installed as a package udev can be relied on for
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# this and it will only create links for devices which exist.
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if [ ${INTREE} ]; then
|
|
PWD=`pwd`
|
|
mkdir -p ${DEVDIR}/
|
|
cd ${DEVDIR}/
|
|
${AWK} '!/^#/ && /./ { system( \
|
|
"ln -f -s /dev/disk/by-path/"$2" "$1";" \
|
|
"ln -f -s /dev/disk/by-path/"$2"-part1 "$1"p1;" \
|
|
"ln -f -s /dev/disk/by-path/"$2"-part9 "$1"p9;" \
|
|
) }' $SRC_PATH
|
|
cd ${PWD}
|
|
else
|
|
DST_FILE=`basename ${SRC_PATH} | cut -f1-2 -d'.'`
|
|
DST_PATH=/etc/zfs/${DST_FILE}
|
|
|
|
if [ -e ${DST_PATH} ]; then
|
|
die "Error: Config ${DST_PATH} already exists"
|
|
fi
|
|
|
|
cp ${SRC_PATH} ${DST_PATH}
|
|
udev_trigger
|
|
fi
|
|
|
|
return 0
|
|
}
|
|
|
|
udev_cleanup() {
|
|
local SRC_PATH=$1
|
|
|
|
if [ ${INTREE} ]; then
|
|
PWD=`pwd`
|
|
cd ${DEVDIR}/
|
|
${AWK} '!/^#/ && /./ { system( \
|
|
"rm -f "$1" "$1"p1 "$1"p9") }' $SRC_PATH
|
|
cd ${PWD}
|
|
fi
|
|
|
|
return 0
|
|
}
|
|
|
|
udev_cr2d() {
|
|
local CHANNEL=`echo "obase=16; $1+96" | bc`
|
|
local RANK=$2
|
|
|
|
printf "\x${CHANNEL}${RANK}"
|
|
}
|
|
|
|
udev_raid0_setup() {
|
|
local RANKS=$1
|
|
local CHANNELS=$2
|
|
local IDX=0
|
|
|
|
RAID0S=()
|
|
for RANK in `seq 1 ${RANKS}`; do
|
|
for CHANNEL in `seq 1 ${CHANNELS}`; do
|
|
DISK=`udev_cr2d ${CHANNEL} ${RANK}`
|
|
RAID0S[${IDX}]="${DEVDIR}/${DISK}"
|
|
let IDX=IDX+1
|
|
done
|
|
done
|
|
|
|
return 0
|
|
}
|
|
|
|
udev_raid10_setup() {
|
|
local RANKS=$1
|
|
local CHANNELS=$2
|
|
local IDX=0
|
|
|
|
RAID10S=()
|
|
for RANK in `seq 1 ${RANKS}`; do
|
|
for CHANNEL1 in `seq 1 2 ${CHANNELS}`; do
|
|
let CHANNEL2=CHANNEL1+1
|
|
DISK1=`udev_cr2d ${CHANNEL1} ${RANK}`
|
|
DISK2=`udev_cr2d ${CHANNEL2} ${RANK}`
|
|
GROUP="${DEVDIR}/${DISK1} ${DEVDIR}/${DISK2}"
|
|
RAID10S[${IDX}]="mirror ${GROUP}"
|
|
let IDX=IDX+1
|
|
done
|
|
done
|
|
|
|
return 0
|
|
}
|
|
|
|
udev_raidz_setup() {
|
|
local RANKS=$1
|
|
local CHANNELS=$2
|
|
|
|
RAIDZS=()
|
|
for RANK in `seq 1 ${RANKS}`; do
|
|
RAIDZ=("raidz")
|
|
|
|
for CHANNEL in `seq 1 ${CHANNELS}`; do
|
|
DISK=`udev_cr2d ${CHANNEL} ${RANK}`
|
|
RAIDZ[${CHANNEL}]="${DEVDIR}/${DISK}"
|
|
done
|
|
|
|
RAIDZS[${RANK}]="${RAIDZ[*]}"
|
|
done
|
|
|
|
return 0
|
|
}
|
|
|
|
udev_raidz2_setup() {
|
|
local RANKS=$1
|
|
local CHANNELS=$2
|
|
|
|
RAIDZ2S=()
|
|
for RANK in `seq 1 ${RANKS}`; do
|
|
RAIDZ2=("raidz2")
|
|
|
|
for CHANNEL in `seq 1 ${CHANNELS}`; do
|
|
DISK=`udev_cr2d ${CHANNEL} ${RANK}`
|
|
RAIDZ2[${CHANNEL}]="${DEVDIR}/${DISK}"
|
|
done
|
|
|
|
RAIDZ2S[${RANK}]="${RAIDZ2[*]}"
|
|
done
|
|
|
|
return 0
|
|
}
|
|
|
|
run_one_test() {
|
|
local TEST_NUM=$1
|
|
local TEST_NAME=$2
|
|
|
|
printf "%-4d %-34s " ${TEST_NUM} "${TEST_NAME}"
|
|
test_${TEST_NUM}
|
|
}
|
|
|
|
skip_one_test() {
|
|
local TEST_NUM=$1
|
|
local TEST_NAME=$2
|
|
|
|
printf "%-4d %-34s " ${TEST_NUM} "${TEST_NAME}"
|
|
skip
|
|
}
|
|
|
|
run_test() {
|
|
local TEST_NUM=$1
|
|
local TEST_NAME=$2
|
|
|
|
for i in ${TESTS_SKIP[@]}; do
|
|
if [[ $i == ${TEST_NUM} ]] ; then
|
|
skip_one_test ${TEST_NUM} "${TEST_NAME}"
|
|
return 0
|
|
fi
|
|
done
|
|
|
|
if [ "${TESTS_RUN[0]}" = "*" ]; then
|
|
run_one_test ${TEST_NUM} "${TEST_NAME}"
|
|
else
|
|
for i in ${TESTS_RUN[@]}; do
|
|
if [[ $i == ${TEST_NUM} ]] ; then
|
|
run_one_test ${TEST_NUM} "${TEST_NAME}"
|
|
return 0
|
|
fi
|
|
done
|
|
|
|
skip_one_test ${TEST_NUM} "${TEST_NAME}"
|
|
fi
|
|
}
|
|
|
|
wait_udev() {
|
|
local DEVICE=$1
|
|
local DELAY=$2
|
|
local COUNT=0
|
|
|
|
udev_trigger
|
|
while [ ! -e ${DEVICE} ]; do
|
|
if [ ${COUNT} -gt ${DELAY} ]; then
|
|
return 1
|
|
fi
|
|
|
|
let COUNT=${COUNT}+1
|
|
sleep 1
|
|
done
|
|
|
|
return 0
|
|
}
|
|
|
|
stack_clear() {
|
|
local STACK_MAX_SIZE=/sys/kernel/debug/tracing/stack_max_size
|
|
local STACK_TRACER_ENABLED=/proc/sys/kernel/stack_tracer_enabled
|
|
|
|
if [ -e $STACK_MAX_SIZE ]; then
|
|
echo 1 >$STACK_TRACER_ENABLED
|
|
echo 0 >$STACK_MAX_SIZE
|
|
fi
|
|
}
|
|
|
|
stack_check() {
|
|
local STACK_MAX_SIZE=/sys/kernel/debug/tracing/stack_max_size
|
|
local STACK_TRACE=/sys/kernel/debug/tracing/stack_trace
|
|
local STACK_LIMIT=7000
|
|
|
|
if [ -e $STACK_MAX_SIZE ]; then
|
|
STACK_SIZE=`cat $STACK_MAX_SIZE`
|
|
|
|
if [ $STACK_SIZE -ge $STACK_LIMIT ]; then
|
|
echo
|
|
echo "Warning: max stack size $STACK_SIZE bytes"
|
|
cat $STACK_TRACE
|
|
fi
|
|
fi
|
|
}
|