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git://sourceware.org/git/lvm2.git
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453 lines
10 KiB
Bash
453 lines
10 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2010-2013 Red Hat, Inc. All rights reserved.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions
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# of the GNU General Public License v.2.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# check.sh: assert various things about volumes
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# USAGE:
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# check linear VG LV
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# check lv_on VG LV PV
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# check mirror VG LV [LOGDEV|core]
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# check mirror_nonredundant VG LV
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# check mirror_legs VG LV N
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# check mirror_images_on VG LV DEV [DEV...]
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# ...
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test -z "$BASH" || set -e -o pipefail
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die() {
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rm -f debug.log
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echo -e "$@" >&2
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return 1
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}
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lvl() {
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lvs -a --noheadings "$@"
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}
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lvdevices() {
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get lv_devices "$@"
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}
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mirror_images_redundant() {
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local vg=$1
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local lv="$vg/$2"
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lvs -a "$vg" -o+devices
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for i in $(lvdevices "$lv"); do
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echo "# $i:"
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lvdevices "$vg/$i" | sort | uniq
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done > check.tmp.all
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(grep -v ^# check.tmp.all || true) | sort | uniq -d > check.tmp
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test "$(wc -l < check.tmp)" -eq 0 || \
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die "mirror images of $lv expected redundant, but are not:" \
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"$(cat check.tmp.all)"
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}
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lv_err_list_() {
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(echo "$2" | not grep -m 1 -q "$1") || \
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echo "$3 on [ $(echo "$2" | grep "$1" | cut -b3- | tr '\n' ' ')] "
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}
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lv_on_diff_() {
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declare -a xdevs=("${!1}") # pass in shell array
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local expect=( "${@:4}" ) # make an array starting from 4th args...
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local diff_e
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# Find diff between 2 shell arrays, print them as stdin files
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printf "%s\n" "${expect[@]}" | sort | uniq >_lv_on_diff1
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printf "%s\n" "${xdevs[@]}" >_lv_on_diff2
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diff_e=$(diff _lv_on_diff1 _lv_on_diff2) ||
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die "LV $2/$3 $(lv_err_list_ "^>" "${diff_e}" found)$(lv_err_list_ "^<" "${diff_e}" "not found")."
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}
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# list devices for given LV
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lv_on() {
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local devs
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devs=( $(lvdevices "$1/$2" | sort | uniq ) )
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lv_on_diff_ devs[@] "$@"
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}
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# list devices for given LV and all its subdevices
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lv_tree_on() {
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local devs
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# Get sorted list of devices
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devs=( $(get lv_tree_devices "$1" "$2") )
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lv_on_diff_ devs[@] "$@"
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}
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# Test if all mimage_X LV legs are sitting on given ordered list of PVs
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# When LV is composed of imagetmp, such leg is decomposed so only
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# real _mimage LVs are always checked
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mirror_images_on() {
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local vg=$1
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local lv=$2
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shift 2
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local mimages=()
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local line
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while IFS= read -r line ; do
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mimages+=( "$line" )
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done < <( get lv_field_lv_ "$vg" lv_name -a | grep "${lv}_mimage_" )
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for i in "${mimages[@]}"; do
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lv_on "$vg" "$i" "$1"
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shift
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done
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}
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mirror_log_on() {
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local vg=$1
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local lv=$2
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local where=$3
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if test "$where" = "core"; then
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get lv_field "$vg/$lv" mirror_log | not grep mlog
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else
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lv_on "$vg" "${lv}_mlog" "$where"
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fi
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}
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lv_is_contiguous() {
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local lv="$1/$2"
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test "$(lvl --segments "$lv" | wc -l)" -eq 1 || \
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die "LV $lv expected to be contiguous, but is not:" \
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"$(lvl --segments "$lv")"
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}
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lv_is_clung() {
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local lv="$1/$2"
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test "$(lvdevices "$lv" | sort | uniq | wc -l)" -eq 1 || \
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die "LV $lv expected to be clung, but is not:" \
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"$(lvdevices "$lv" | sort | uniq)"
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}
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mirror_images_contiguous() {
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for i in $(lvdevices "$1/$2"); do
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lv_is_contiguous "$1" "$i"
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done
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}
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mirror_images_clung() {
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for i in $(lvdevices "$1/$2"); do
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lv_is_clung "$1" "$i"
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done
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}
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mirror() {
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mirror_nonredundant "$@"
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mirror_images_redundant "$1" "$2"
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}
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mirror_nonredundant() {
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local lv="$1/$2"
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local attr
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attr=$(get lv_field "$lv" attr)
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(echo "$attr" | grep "^......m...$" >/dev/null) || {
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if (echo "$attr" | grep "^o.........$" >/dev/null) &&
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lvs -a | grep -F "[${2}_mimage" >/dev/null; then
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echo "TEST WARNING: $lv is a snapshot origin and looks like a mirror,"
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echo "assuming it is actually a mirror"
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else
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die "$lv expected a mirror, but is not:" \
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"$(lvs "$lv")"
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fi
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}
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test -z "$3" || mirror_log_on "$1" "$2" "$3"
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}
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mirror_legs() {
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local expect_legs=$3
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test "$expect_legs" -eq "$(lvdevices "$1/$2" | wc -w)"
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}
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mirror_no_temporaries() {
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local vg=$1
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local lv=$2
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(lvl -o name "$vg" | grep "$lv" | not grep "tmp") || \
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die "$lv has temporary mirror images unexpectedly:" \
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"$(lvl "$vg" | grep "$lv")"
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}
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linear() {
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local lv="$1/$2"
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test "$(get lv_field "$lv" stripes -a)" -eq 1 || \
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die "$lv expected linear, but is not:" \
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"$(lvl "$lv" -o+devices)"
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}
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# in_sync <VG> <LV> <ignore 'a'>
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# Works for "mirror" and "raid*"
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in_sync() {
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local a
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local b
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local c
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local idx
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local type
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local snap=""
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local lvm_name="$1/$2"
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local ignore_a=${3:-0}
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local dm_name="$1-$2"
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a=( $(dmsetup status "$dm_name") ) || \
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die "Unable to get sync status of $1"
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if [ "${a[2]}" = "snapshot-origin" ]; then
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a=( $(dmsetup status "${dm_name}-real") ) || \
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die "Unable to get sync status of $1"
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snap=": under snapshot"
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fi
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case "${a[2]}" in
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"raid")
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# 6th argument is the sync ratio for RAID
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idx=6
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type=${a[3]}
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if [ "${a[$(( idx + 1 ))]}" != "idle" ]; then
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echo "$lvm_name ($type$snap) is not in-sync"
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return 1
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fi
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;;
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"mirror")
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# 4th Arg tells us how far to the sync ratio
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idx=$(( a[3] + 4 ))
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type=${a[2]}
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;;
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*)
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die "Unable to get sync ratio for target type '${a[2]}'"
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;;
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esac
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b=${a[$idx]%%/*} # split ratio x/y
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c=${a[$idx]##*/}
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if [ "$b" -eq 0 ] || [ "$b" != "$c" ]; then
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echo "$lvm_name ($type$snap) is not in-sync"
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return 1
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fi
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if [[ ${a[$(( idx - 1 ))]} =~ a ]] ; then
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[ $ignore_a -eq 0 ] && \
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die "$lvm_name ($type$snap) in-sync, but 'a' characters in health status"
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echo "$lvm_name ($type$snap) is not in-sync"
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[ $ignore_a -eq 1 ] && return 0
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return 1
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fi
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echo "$lvm_name ($type$snap) is in-sync" "${a[@]}"
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}
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active() {
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local lv="$1/$2"
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(get lv_field "$lv" attr | grep "^....a.....$" >/dev/null) || \
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die "$lv expected active, but lvs says it's not:" \
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"$(lvl "$lv" -o+devices)"
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dmsetup info "$1-$2" >/dev/null ||
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die "$lv expected active, lvs thinks it is but there are no mappings!"
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}
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inactive() {
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local lv="$1/$2"
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(get lv_field "$lv" attr | grep "^....[-isd].....$" >/dev/null) || \
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die "$lv expected inactive, but lvs says it's not:" \
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"$(lvl "$lv" -o+devices)"
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not dmsetup info "$1-$2" 2>/dev/null || \
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die "$lv expected inactive, lvs thinks it is but there are mappings!"
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}
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# Check for list of LVs from given VG
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lv_exists() {
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local vg=$1
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declare -a list=()
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while [ $# -gt 1 ]; do
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shift
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list+=( "$vg/$1" )
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done
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test "${#list[@]}" -gt 0 || list=( "$vg" )
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lvl "${list[@]}" &>/dev/null || \
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die "${list[@]}" "expected to exist, but does not!"
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}
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lv_not_exists() {
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local vg=$1
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if test $# -le 1 ; then
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if lvl "$vg" &>/dev/null ; then
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die "$vg expected to not exist but it does!"
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fi
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else
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while [ $# -gt 1 ]; do
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shift
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not lvl "$vg/$1" &>/dev/null || die "$vg/$1 expected to not exist but it does!"
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done
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fi
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rm -f debug.log
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}
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pv_field() {
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local actual
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actual=$(get pv_field "$1" "$2" "${@:4}")
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test "$actual" = "$3" || \
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die "pv_field: PV=\"$1\", field=\"$2\", actual=\"$actual\", expected=\"$3\""
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}
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vg_field() {
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local actual
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actual=$(get vg_field "$1" "$2" "${@:4}")
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test "$actual" = "$3" || \
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die "vg_field: vg=$1, field=\"$2\", actual=\"$actual\", expected=\"$3\""
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}
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vg_attr_bit() {
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local actual
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local offset=$1
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actual=$(get vg_field "$2" vg_attr "${@:4}")
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case "$offset" in
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perm*) offset=0 ;;
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resiz*) offset=1 ;;
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export*) offset=2 ;;
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partial) offset=3 ;;
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alloc*) offset=4 ;;
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cluster*) offset=5 ;;
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esac
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test "${actual:$offset:1}" = "$3" || \
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die "vg_attr_bit: vg=$2, ${offset} bit of \"$actual\" is \"${actual:$offset:1}\", but expected \"$3\""
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}
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lv_field() {
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local actual
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actual=$(get lv_field "$1" "$2" "${@:4}")
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test "$actual" = "$3" || \
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die "lv_field: lv=$1, field=\"$2\", actual=\"$actual\", expected=\"$3\""
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}
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lv_first_seg_field() {
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local actual
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actual=$(get lv_first_seg_field "$1" "$2" "${@:4}")
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test "$actual" = "$3" || \
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die "lv_field: lv=$1, field=\"$2\", actual=\"$actual\", expected=\"$3\""
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}
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lvh_field() {
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local actual
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actual=$(get lvh_field "$1" "$2" "${@:4}")
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test "$actual" = "$3" || \
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die "lvh_field: lv=$1, field=\"$2\", actual=\"$actual\", expected=\"$3\""
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}
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lva_field() {
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local actual
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actual=$(get lva_field "$1" "$2" "${@:4}")
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test "$actual" = "$3" || \
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die "lva_field: lv=$1, field=\"$2\", actual=\"$actual\", expected=\"$3\""
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}
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lv_attr_bit() {
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local actual
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local offset=$1
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actual=$(get lv_field "$2" lv_attr "${@:4}")
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case "$offset" in
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type) offset=0 ;;
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perm*) offset=1 ;;
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alloc*) offset=2 ;;
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fixed*) offset=3 ;;
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state) offset=4 ;;
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open) offset=5 ;;
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target) offset=6 ;;
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zero) offset=7 ;;
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health) offset=8 ;;
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skip) offset=9 ;;
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esac
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test "${actual:$offset:1}" = "$3" || \
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die "lv_attr_bit: lv=$2, ${offset} bit of \"$actual\" is \"${actual:$offset:1}\", but expected \"$3\""
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}
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compare_fields() {
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local cmd1=$1
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local obj1=$2
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local field1=$3
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local cmd2=$4
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local obj2=$5
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local field2=$6
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local val1
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local val2
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val1=$("$cmd1" --noheadings -o "$field1" "$obj1")
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val2=$("$cmd2" --noheadings -o "$field2" "$obj2")
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test "$val1" = "$val2" || \
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die "compare_fields $obj1($field1): $val1 $obj2($field2): $val2"
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}
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compare_vg_field() {
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local vg1=$1
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local vg2=$2
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local field=$3
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local val1
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local val2
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val1=$(vgs --noheadings -o "$field" "$vg1")
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val2=$(vgs --noheadings -o "$field" "$vg2")
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test "$val1" = "$val2" || \
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die "compare_vg_field: $vg1: $val1, $vg2: $val2"
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}
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pvlv_counts() {
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local local_vg=$1
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local num_pvs=$2
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local num_lvs=$3
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local num_snaps=$4
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lvs -o+devices "$local_vg"
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vg_field "$local_vg" pv_count "$num_pvs"
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vg_field "$local_vg" lv_count "$num_lvs"
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vg_field "$local_vg" snap_count "$num_snaps"
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}
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# Compare md5 check generated from get dev_md5sum
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dev_md5sum() {
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md5sum -c "md5.$1-$2" || \
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(get lv_field "$1/$2" "name,size,seg_pe_ranges"
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die "LV $1/$2 has different MD5 check sum!")
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}
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sysfs() {
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# read maj min and also convert hex to decimal
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local maj
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local min
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local P="/sys/dev/block/$maj:$min/$2"
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local val
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maj=$(($(stat -L --printf=0x%t "$1")))
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min=$(($(stat -L --printf=0x%T "$1")))
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val=$(< "$P") || return 0 # no sysfs ?
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test "$val" -eq "$3" || \
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die "$1: $P = $val differs from expected value $3!"
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}
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# check raid_leg_status $vg $lv "Aaaaa"
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raid_leg_status() {
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local st
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local val
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st=$(dmsetup status "$1-$2")
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val=$(echo "$st" | cut -d ' ' -f 6)
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test "$val" = "$3" || \
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die "$1-$2 status $val != $3 ($st)"
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}
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grep_dmsetup() {
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dmsetup "$1" "$2" | tee out
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grep -q "${@:3}" out || die "Expected output \"" "${@:3}" "\" from dmsetup $1 not found!"
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}
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#set -x
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unset LVM_VALGRIND
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"$@"
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