diff options
Diffstat (limited to 'test/shell/writecache-cache-blocksize-2.sh')
| -rw-r--r-- | test/shell/writecache-cache-blocksize-2.sh | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/test/shell/writecache-cache-blocksize-2.sh b/test/shell/writecache-cache-blocksize-2.sh new file mode 100644 index 0000000..d50b369 --- /dev/null +++ b/test/shell/writecache-cache-blocksize-2.sh @@ -0,0 +1,242 @@ +#!/usr/bin/env bash + +# Copyright (C) 2018 Red Hat, Inc. All rights reserved. +# +# This copyrighted material is made available to anyone wishing to use, +# modify, copy, or redistribute it subject to the terms and conditions +# of the GNU General Public License v.2. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software Foundation, +# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + +# Test dm-writecache and dm-cache with different block size combinations + +SKIP_WITH_LVMPOLLD=1 + +. lib/inittest + +aux have_writecache 1 0 0 || skip +which mkfs.xfs || skip + +mnt="mnt" +mkdir -p $mnt + +awk 'BEGIN { while (z++ < 16384) printf "A" }' > fileA +awk 'BEGIN { while (z++ < 16384) printf "B" }' > fileB +awk 'BEGIN { while (z++ < 16384) printf "C" }' > fileC + +# generate random data +dd if=/dev/urandom of=randA bs=512K count=2 +dd if=/dev/urandom of=randB bs=512K count=3 +dd if=/dev/urandom of=randC bs=512K count=4 + +_add_new_data_to_mnt() { + mount "$DM_DEV_DIR/$vg/$lv1" $mnt + + # add original data + cp randA $mnt + cp randB $mnt + cp randC $mnt + mkdir $mnt/1 + cp fileA $mnt/1 + cp fileB $mnt/1 + cp fileC $mnt/1 + mkdir $mnt/2 + cp fileA $mnt/2 + cp fileB $mnt/2 + cp fileC $mnt/2 + sync +} + +_add_more_data_to_mnt() { + mkdir $mnt/more + cp fileA $mnt/more + cp fileB $mnt/more + cp fileC $mnt/more + cp randA $mnt/more + cp randB $mnt/more + cp randC $mnt/more + sync +} + +_verify_data_on_mnt() { + diff randA $mnt/randA + diff randB $mnt/randB + diff randC $mnt/randC + diff fileA $mnt/1/fileA + diff fileB $mnt/1/fileB + diff fileC $mnt/1/fileC + diff fileA $mnt/2/fileA + diff fileB $mnt/2/fileB + diff fileC $mnt/2/fileC +} + +_verify_more_data_on_mnt() { + diff randA $mnt/more/randA + diff randB $mnt/more/randB + diff randC $mnt/more/randC + diff fileA $mnt/more/fileA + diff fileB $mnt/more/fileB + diff fileC $mnt/more/fileC +} + +_verify_data_on_lv() { + lvchange -ay $vg/$lv1 + mount "$DM_DEV_DIR/$vg/$lv1" $mnt + _verify_data_on_mnt + rm $mnt/randA + rm $mnt/randB + rm $mnt/randC + rm -rf $mnt/1 + rm -rf $mnt/2 + umount $mnt + lvchange -an $vg/$lv1 +} + +# Check that the LBS ($1) and PBS ($2) are accurately reported. +_check_env() { + + check sysfs "$(< SCSI_DEBUG_DEV)" queue/logical_block_size "$1" + check sysfs "$(< SCSI_DEBUG_DEV)" queue/physical_block_size "$2" + + blockdev --getss "$dev1" + blockdev --getpbsz "$dev1" + blockdev --getss "$dev2" + blockdev --getpbsz "$dev2" +} + +# +# _run_test $BD1 $BD2 $type $optname "..." +# +# $BD1: device to place the main LV on +# $BD2: device to place the cache on +# $type is cache or writecache to use in lvconvert --type $type +# $optname is either --cachevol or --cachepool to use in lvconvert +# "..." a sector size option to use in mkfs.xfs +# + +_run_test() { + vgcreate $SHARED $vg "$1" + vgextend $vg "$2" + lvcreate -n $lv1 -L 300 -an $vg "$1" + lvcreate -n $lv2 -l 4 -an $vg "$2" + lvchange -ay $vg/$lv1 + mkfs.xfs -f $5 "$DM_DEV_DIR/$vg/$lv1" |tee out + _add_new_data_to_mnt + lvconvert --yes --type $3 $4 $lv2 $vg/$lv1 + + # TODO: check expected LBS of LV1 + # blockdev --getss "$DM_DEV_DIR/$vg/$lv1" |tee out + # grep "$N" out + # TODO: check expected PBS of LV1 + # blockdev --getpbsz "$DM_DEV_DIR/$vg/$lv1" |tee out + # grep "$N" out + + _add_more_data_to_mnt + _verify_data_on_mnt + lvconvert --splitcache $vg/$lv1 + check lv_field $vg/$lv1 segtype linear + blockdev --getss "$DM_DEV_DIR/$vg/$lv1" + blockdev --getpbsz "$DM_DEV_DIR/$vg/$lv1" + _verify_data_on_mnt + _verify_more_data_on_mnt + umount $mnt + lvchange -an $vg/$lv1 + lvchange -an $vg/$lv2 + _verify_data_on_lv + lvremove $vg/$lv1 + lvremove $vg/$lv2 + vgremove $vg +} + +# Setup: dev1 LBS 512, PBS 4096 (using scsi-debug) +# dev2 LBS 512, PBS 4096 (using scsi-debug) +# dev3 LBS 512, PBS 512 (using loop) +# dev4 LBS 512, PBS 512 (using loop) +# + +# On scsi debug 2 PVs has to fit! +aux prepare_scsi_debug_dev 602 sector_size=512 physblk_exp=3 || skip +aux prepare_devs 2 301 + +# Tests with fs block sizes require a libblkid version that shows BLOCK_SIZE +vgcreate $vg "$dev1" +lvcreate -n $lv1 -L300 $vg +mkfs.xfs -f "$DM_DEV_DIR/$vg/$lv1" +blkid -p "$DM_DEV_DIR/$vg/$lv1" | grep BLOCK_SIZE || skip +lvchange -an $vg +vgremove -ff $vg + +# loopa/loopb have LBS 512 PBS 512 +which fallocate || skip +fallocate -l 301M loopa +fallocate -l 301M loopb + +for i in {1..5}; do + LOOP1=$(losetup -f loopa --show || true) + test -n "$LOOP1" && break +done +for i in {1..5} ; do + LOOP2=$(losetup -f loopb --show || true) + test -n "$LOOP2" && break +done + +# prepare devX mapping so it works for real & fake dev dir +d=3 +for i in "$LOOP1" "$LOOP2"; do + echo "$i" + m=${i##*loop} + test -e "$DM_DEV_DIR/loop$m" || mknod "$DM_DEV_DIR/loop$m" b 7 "$m" + eval "dev$d=\"$DM_DEV_DIR/loop$m\"" + d=$(( d + 1 )) +done + +# verify dev1/dev2 have LBS 512 PBS 4096 +_check_env "512" "4096" + +# verify dev3/dev4 have LBS 512 PBS 512 +blockdev --getss "$LOOP1" | grep 512 +blockdev --getss "$LOOP2" | grep 512 +blockdev --getpbsz "$LOOP1" | grep 512 +blockdev --getpbsz "$LOOP2" | grep 512 + +aux extend_filter "a|$dev3|" "a|$dev4|" +aux extend_devices "$dev3" "$dev4" + +# place main LV on dev1 with LBS 512, PBS 4096 +# and the cache on dev3 with LBS 512, PBS 512 + +_run_test "$dev1" "$dev3" "writecache" "--cachevol" "" +_run_test "$dev1" "$dev3" "cache" "--cachevol" "" +_run_test "$dev1" "$dev3" "cache" "--cachepool" "" + +# place main LV on dev3 with LBS 512, PBS 512 +# and the cache on dev1 with LBS 512, PBS 4096 + +_run_test "$dev3" "$dev1" "writecache" "--cachevol" "" +_run_test "$dev3" "$dev1" "cache" "--cachevol" "" +_run_test "$dev3" "$dev1" "cache" "--cachepool" "" + +# place main LV on dev1 with LBS 512, PBS 4096 +# and the cache on dev3 with LBS 512, PBS 512 +# and force xfs sectsz 512 + +_run_test "$dev1" "$dev3" "writecache" "--cachevol" "-s size=512" +_run_test "$dev1" "$dev3" "cache" "--cachevol" "-s size=512" +_run_test "$dev1" "$dev3" "cache" "--cachepool" "-s size=512" + +# place main LV on dev3 with LBS 512, PBS 512 +# and the cache on dev1 with LBS 512, PBS 4096 +# and force xfs sectsz 4096 + +_run_test "$dev3" "$dev1" "writecache" "--cachevol" "-s size=4096" +_run_test "$dev3" "$dev1" "cache" "--cachevol" "-s size=4096" +_run_test "$dev3" "$dev1" "cache" "--cachepool" "-s size=4096" + + +losetup -d "$LOOP1" || true +losetup -d "$LOOP2" || true +rm loopa loopb + +aux cleanup_scsi_debug_dev |