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b869a6ff7a
blkid_get_tag_value() is not a reliable way to query the fs BLOCK_SIZE, so use the "probe" functions instead.
252 lines
6.4 KiB
Bash
252 lines
6.4 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2018 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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# Test dm-writecache and dm-cache with different block size combinations
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SKIP_WITH_LVMPOLLD=1
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. lib/inittest
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aux have_writecache 1 0 0 || skip
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which mkfs.xfs || skip
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mnt="mnt"
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mkdir -p $mnt
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awk 'BEGIN { while (z++ < 16384) printf "A" }' > fileA
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awk 'BEGIN { while (z++ < 16384) printf "B" }' > fileB
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awk 'BEGIN { while (z++ < 16384) printf "C" }' > fileC
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# generate random data
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dd if=/dev/urandom of=randA bs=512K count=2
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dd if=/dev/urandom of=randB bs=512K count=3
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dd if=/dev/urandom of=randC bs=512K count=4
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_add_new_data_to_mnt() {
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mount "$DM_DEV_DIR/$vg/$lv1" $mnt
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# add original data
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cp randA $mnt
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cp randB $mnt
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cp randC $mnt
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mkdir $mnt/1
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cp fileA $mnt/1
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cp fileB $mnt/1
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cp fileC $mnt/1
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mkdir $mnt/2
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cp fileA $mnt/2
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cp fileB $mnt/2
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cp fileC $mnt/2
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sync
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}
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_add_more_data_to_mnt() {
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mkdir $mnt/more
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cp fileA $mnt/more
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cp fileB $mnt/more
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cp fileC $mnt/more
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cp randA $mnt/more
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cp randB $mnt/more
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cp randC $mnt/more
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sync
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}
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_verify_data_on_mnt() {
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diff randA $mnt/randA
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diff randB $mnt/randB
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diff randC $mnt/randC
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diff fileA $mnt/1/fileA
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diff fileB $mnt/1/fileB
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diff fileC $mnt/1/fileC
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diff fileA $mnt/2/fileA
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diff fileB $mnt/2/fileB
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diff fileC $mnt/2/fileC
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}
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_verify_more_data_on_mnt() {
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diff randA $mnt/more/randA
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diff randB $mnt/more/randB
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diff randC $mnt/more/randC
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diff fileA $mnt/more/fileA
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diff fileB $mnt/more/fileB
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diff fileC $mnt/more/fileC
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}
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_verify_data_on_lv() {
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lvchange -ay $vg/$lv1
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mount "$DM_DEV_DIR/$vg/$lv1" $mnt
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_verify_data_on_mnt
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rm $mnt/randA
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rm $mnt/randB
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rm $mnt/randC
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rm -rf $mnt/1
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rm -rf $mnt/2
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umount $mnt
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lvchange -an $vg/$lv1
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}
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# Check that the LBS/PBS that were set up is accurately reported for the devs.
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_check_env() {
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check sysfs "$(< SCSI_DEBUG_DEV)" queue/logical_block_size "$1"
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check sysfs "$(< SCSI_DEBUG_DEV)" queue/physical_block_size "$2"
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blockdev --getss "$dev1"
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blockdev --getpbsz "$dev1"
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blockdev --getss "$dev2"
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blockdev --getpbsz "$dev2"
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}
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#
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# _run_test $BS1 $BS2 $type $optname "..."
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#
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# $BS1: the xfs sectsz is verified to match $BS1, after mkfs
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# $BS2: the lv1 LBS is verified to match $BS2, after cache is added to lv1
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# $type is cache or writecache to use in lvconvert --type $type
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# $optname is either --cachevol or --cachepool to use in lvconvert
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# "..." a sector size option to use in mkfs.xfs
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#
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_run_test() {
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vgcreate $SHARED $vg "$dev1"
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vgextend $vg "$dev2"
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lvcreate -n $lv1 -L 300 -an $vg "$dev1"
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lvcreate -n $lv2 -l 4 -an $vg "$dev2"
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lvchange -ay $vg/$lv1
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mkfs.xfs -f $5 "$DM_DEV_DIR/$vg/$lv1" |tee out
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grep "sectsz=$1" out
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_add_new_data_to_mnt
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lvconvert --yes --type $3 $4 $lv2 $vg/$lv1
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blockdev --getss "$DM_DEV_DIR/$vg/$lv1" |tee out
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grep "$2" out
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blockdev --getpbsz "$DM_DEV_DIR/$vg/$lv1"
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_add_more_data_to_mnt
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_verify_data_on_mnt
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lvconvert --splitcache $vg/$lv1
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check lv_field $vg/$lv1 segtype linear
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blockdev --getss "$DM_DEV_DIR/$vg/$lv1"
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blockdev --getpbsz "$DM_DEV_DIR/$vg/$lv1"
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_verify_data_on_mnt
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_verify_more_data_on_mnt
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umount $mnt
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lvchange -an $vg/$lv1
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lvchange -an $vg/$lv2
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_verify_data_on_lv
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lvremove $vg/$lv1
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lvremove $vg/$lv2
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vgremove $vg
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}
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# Setup: LBS 512, PBS 512
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aux prepare_scsi_debug_dev 602 || skip
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aux prepare_devs 2 301
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# Tests with fs block sizes require a libblkid version that shows BLOCK_SIZE
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vgcreate $vg "$dev1"
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lvcreate -n $lv1 -L300 $vg
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mkfs.xfs -f "$DM_DEV_DIR/$vg/$lv1"
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blkid -p "$DM_DEV_DIR/$vg/$lv1" | grep BLOCK_SIZE || skip
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lvchange -an $vg
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vgremove -ff $vg
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_check_env "512" "512"
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# lbs 512, pbs 512, xfs 512, wc bs 512
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_run_test 512 512 "writecache" "--cachevol" ""
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# lbs 512, pbs 512, xfs 512, cache bs 512
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_run_test 512 512 "cache" "--cachevol" ""
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_run_test 512 512 "cache" "--cachepool" ""
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# lbs 512, pbs 512, xfs -s 4096, wc bs 4096
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_run_test 4096 4096 "writecache" "--cachevol" "-s size=4096"
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# lbs 512, pbs 512, xfs -s 4096, cache bs 512
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_run_test 4096 512 "cache" "--cachevol" "-s size=4096"
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_run_test 4096 512 "cache" "--cachepool" "-s size=4096"
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aux cleanup_scsi_debug_dev
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# Setup: LBS 512, PBS 4096
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aux prepare_scsi_debug_dev 602 sector_size=512 physblk_exp=3
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aux prepare_devs 2 301
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_check_env "512" "4096"
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# lbs 512, pbs 4k, xfs 4k, wc bs 4k
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_run_test 4096 4096 "writecache" "--cachevol" ""
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# lbs 512, pbs 4k, xfs 4k, cache bs 512
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_run_test 4096 512 "cache" "--cachevol" ""
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_run_test 4096 512 "cache" "--cachepool" ""
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# lbs 512, pbs 4k, xfs -s 512, wc bs 512
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_run_test 512 512 "writecache" "--cachevol" "-s size=512"
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# lbs 512, pbs 4k, xfs -s 512, cache bs 512
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_run_test 512 512 "cache" "--cachevol" "-s size=512"
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_run_test 512 512 "cache" "--cachepool" "-s size=512"
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aux cleanup_scsi_debug_dev
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# Setup: LBS 4096, PBS 4096
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# NOTE: Here we actually need PV of size 304M to get 300M ??
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aux prepare_scsi_debug_dev 608 sector_size=4096 || skip
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aux prepare_devs 2 304
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_check_env "4096" "4096"
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# lbs 4k, pbs 4k, xfs 4k, wc bs 4k
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_run_test 4096 4096 "writecache" "--cachevol" ""
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# lbs 4k, pbs 4k, xfs 4k, cache bs 4k
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_run_test 4096 4096 "cache" "--cachevol" ""
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_run_test 4096 4096 "cache" "--cachepool" ""
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aux cleanup_scsi_debug_dev
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# Setup: LBS 512, PBS 512
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aux prepare_scsi_debug_dev 602 || skip
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aux prepare_devs 2 301
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_check_env "512" "512"
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vgcreate $SHARED $vg "$dev1"
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vgextend $vg "$dev2"
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lvcreate -n $lv1 -L 300 -an $vg "$dev1"
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lvcreate -n $lv2 -l 4 -an $vg "$dev2"
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lvconvert --yes --type writecache --cachevol $lv2 --cachesettings "block_size=4096" $vg/$lv1
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lvs -o writecacheblocksize $vg/$lv1 |tee out
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grep 4096 out
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lvchange -ay $vg/$lv1
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mkfs.xfs -f "$DM_DEV_DIR/$vg/$lv1" |tee out
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grep "sectsz=4096" out
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_add_new_data_to_mnt
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blockdev --getss "$DM_DEV_DIR/$vg/$lv1" |tee out
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grep 4096 out
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blockdev --getpbsz "$DM_DEV_DIR/$vg/$lv1"
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_add_more_data_to_mnt
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_verify_data_on_mnt
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lvconvert --splitcache $vg/$lv1
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check lv_field $vg/$lv1 segtype linear
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check lv_field $vg/$lv2 segtype linear
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blockdev --getss "$DM_DEV_DIR/$vg/$lv1"
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blockdev --getpbsz "$DM_DEV_DIR/$vg/$lv1"
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_verify_data_on_mnt
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_verify_more_data_on_mnt
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umount $mnt
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lvchange -an $vg/$lv1
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lvchange -an $vg/$lv2
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_verify_data_on_lv
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lvremove $vg/$lv1
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lvremove $vg/$lv2
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vgremove $vg
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aux cleanup_scsi_debug_dev
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