[lvm-devel] master - tests: writecache-blocksize

[David Teigland]

Gitweb:        https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=48c1a295a294fefa0886885f13604f134ceaf406
Commit:        48c1a295a294fefa0886885f13604f134ceaf406
Parent:        a7b2fc8f5791747ff3326997a07743eeebbd3ef7
Author:        David Teigland <teigland at redhat.com>
AuthorDate:    Wed Apr 8 15:33:30 2020 -0500
Committer:     David Teigland <teigland at redhat.com>
CommitterDate: Wed Jun 10 12:16:31 2020 -0500

tests: writecache-blocksize

---
 test/shell/writecache-blocksize.sh | 343 +++++++++++++++++++++++++++++++++++++
 1 file changed, 343 insertions(+)

diff --git a/test/shell/writecache-blocksize.sh b/test/shell/writecache-blocksize.sh
new file mode 100644
index 000000000..42c963c29
--- /dev/null
+++ b/test/shell/writecache-blocksize.sh
@@ -0,0 +1,343 @@
+#!/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 writecache usage
+
+SKIP_WITH_LVMPOLLD=1
+
+. lib/inittest
+
+aux have_writecache 1 0 0 || skip
+which mkfs.xfs || skip
+
+# Tests with fs block sizes require a libblkid version that shows BLOCK_SIZE
+aux prepare_devs 1
+vgcreate $vg "$dev1"
+lvcreate -n $lv1 -l8 $vg
+mkfs.xfs -f "$DM_DEV_DIR/$vg/$lv1"
+blkid "$DM_DEV_DIR/$vg/$lv1" | grep BLOCK_SIZE || skip
+lvchange -an $vg
+vgremove -ff $vg
+aux cleanup_scsi_debug_dev
+
+mnt="mnt"
+mkdir -p $mnt
+
+for i in `seq 1 16384`; do echo -n "A" >> fileA; done
+for i in `seq 1 16384`; do echo -n "B" >> fileB; done
+for i in `seq 1 16384`; do echo -n "C" >> fileC; done
+
+# generate random data
+dd if=/dev/urandom of=randA bs=512K count=2
+dd if=/dev/urandom of=randB bs=512K count=3
+dd if=/dev/urandom of=randC bs=512K count=4
+
+_add_new_data_to_mnt() {
+	mount "$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
+}
+
+# the default is brd ram devs with 512 LBS 4K PBS
+aux prepare_devs 2 64
+
+blockdev --getss "$dev1"
+blockdev --getpbsz "$dev1"
+blockdev --getss "$dev2"
+blockdev --getpbsz "$dev2"
+
+# lbs 512, pbs 4k, xfs 4k, wc 4k
+vgcreate $SHARED $vg "$dev1"
+vgextend $vg "$dev2"
+lvcreate -n $lv1 -l 8 -an $vg "$dev1"
+lvcreate -n $lv2 -l 4 -an $vg "$dev2"
+lvchange -ay $vg/$lv1
+mkfs.xfs -f "$DM_DEV_DIR/$vg/$lv1" |tee out
+grep sectsz=4096 out
+_add_new_data_to_mnt
+lvconvert --yes --type writecache --cachevol $lv2 $vg/$lv1
+blockdev --getss "$DM_DEV_DIR/$vg/$lv1" |tee out
+grep 4096 out
+blockdev --getpbsz "$DM_DEV_DIR/$vg/$lv1"
+_add_more_data_to_mnt
+_verify_data_on_mnt
+lvconvert --splitcache $vg/$lv1
+check lv_field $vg/$lv1 segtype linear
+check lv_field $vg/$lv2 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
+
+# lbs 512, pbs 4k, xfs -s 512, wc 512
+vgcreate $SHARED $vg "$dev1"
+vgextend $vg "$dev2"
+lvcreate -n $lv1 -l 8 -an $vg "$dev1"
+lvcreate -n $lv2 -l 4 -an $vg "$dev2"
+lvchange -ay $vg/$lv1
+mkfs.xfs -f -s size=512 "$DM_DEV_DIR/$vg/$lv1" |tee out
+grep sectsz=512 out
+_add_new_data_to_mnt
+lvconvert --yes --type writecache --cachevol $lv2 $vg/$lv1
+blockdev --getss "$DM_DEV_DIR/$vg/$lv1" |tee out
+grep 512 out
+blockdev --getpbsz "$DM_DEV_DIR/$vg/$lv1"
+_add_more_data_to_mnt
+_verify_data_on_mnt
+lvconvert --splitcache $vg/$lv1
+check lv_field $vg/$lv1 segtype linear
+check lv_field $vg/$lv2 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 $vg
+
+aux cleanup_scsi_debug_dev
+sleep 1
+
+
+# scsi_debug devices with 512 LBS 512 PBS
+aux prepare_scsi_debug_dev 256
+check sysfs "$(< SCSI_DEBUG_DEV)" queue/logical_block_size "512"
+check sysfs "$(< SCSI_DEBUG_DEV)" queue/physical_block_size "512"
+aux prepare_devs 2 64
+
+blockdev --getss "$dev1"
+blockdev --getpbsz "$dev1"
+blockdev --getss "$dev2"
+blockdev --getpbsz "$dev2"
+
+# lbs 512, pbs 512, xfs 512, wc 512
+vgcreate $SHARED $vg "$dev1"
+vgextend $vg "$dev2"
+lvcreate -n $lv1 -l 8 -an $vg "$dev1"
+lvcreate -n $lv2 -l 4 -an $vg "$dev2"
+lvchange -ay $vg/$lv1
+mkfs.xfs -f "$DM_DEV_DIR/$vg/$lv1" |tee out
+grep sectsz=512 out
+_add_new_data_to_mnt
+lvconvert --yes --type writecache --cachevol $lv2 $vg/$lv1
+blockdev --getss "$DM_DEV_DIR/$vg/$lv1" |tee out
+grep 512 out
+blockdev --getpbsz "$DM_DEV_DIR/$vg/$lv1"
+_add_more_data_to_mnt
+_verify_data_on_mnt
+lvconvert --splitcache $vg/$lv1
+check lv_field $vg/$lv1 segtype linear
+check lv_field $vg/$lv2 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
+
+# lbs 512, pbs 512, xfs -s 4096, wc 4096
+vgcreate $SHARED $vg "$dev1"
+vgextend $vg "$dev2"
+lvcreate -n $lv1 -l 8 -an $vg "$dev1"
+lvcreate -n $lv2 -l 4 -an $vg "$dev2"
+lvchange -ay $vg/$lv1
+mkfs.xfs -s size=4096 -f "$DM_DEV_DIR/$vg/$lv1" |tee out
+grep sectsz=4096 out
+_add_new_data_to_mnt
+lvconvert --yes --type writecache --cachevol $lv2 $vg/$lv1
+blockdev --getss "$DM_DEV_DIR/$vg/$lv1" |tee out
+grep 4096 out
+blockdev --getpbsz "$DM_DEV_DIR/$vg/$lv1"
+_add_more_data_to_mnt
+_verify_data_on_mnt
+lvconvert --splitcache $vg/$lv1
+check lv_field $vg/$lv1 segtype linear
+check lv_field $vg/$lv2 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 $vg
+
+aux cleanup_scsi_debug_dev
+sleep 1
+
+
+# scsi_debug devices with 512 LBS and 4K PBS
+aux prepare_scsi_debug_dev 256 sector_size=512 physblk_exp=3
+check sysfs "$(< SCSI_DEBUG_DEV)" queue/logical_block_size "512"
+check sysfs "$(< SCSI_DEBUG_DEV)" queue/physical_block_size "4096"
+aux prepare_devs 2 64
+
+blockdev --getss "$dev1"
+blockdev --getpbsz "$dev1"
+blockdev --getss "$dev2"
+blockdev --getpbsz "$dev2"
+
+# lbs 512, pbs 4k, xfs 4k, wc 4k
+vgcreate $SHARED $vg "$dev1"
+vgcreate $SHARED $vg "$dev1"
+vgextend $vg "$dev2"
+lvcreate -n $lv1 -l 8 -an $vg "$dev1"
+lvcreate -n $lv2 -l 4 -an $vg "$dev2"
+lvchange -ay $vg/$lv1
+mkfs.xfs -f "$DM_DEV_DIR/$vg/$lv1" |tee out
+grep sectsz=4096 out
+_add_new_data_to_mnt
+lvconvert --yes --type writecache --cachevol $lv2 $vg/$lv1
+blockdev --getss "$DM_DEV_DIR/$vg/$lv1" |tee out
+grep 4096 out
+blockdev --getpbsz "$DM_DEV_DIR/$vg/$lv1"
+_add_more_data_to_mnt
+_verify_data_on_mnt
+lvconvert --splitcache $vg/$lv1
+check lv_field $vg/$lv1 segtype linear
+check lv_field $vg/$lv2 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 $vg
+
+aux cleanup_scsi_debug_dev
+sleep 1
+
+
+# scsi_debug devices with 4K LBS and 4K PBS
+aux prepare_scsi_debug_dev 256 sector_size=4096
+check sysfs "$(< SCSI_DEBUG_DEV)" queue/logical_block_size "4096"
+check sysfs "$(< SCSI_DEBUG_DEV)" queue/physical_block_size "4096"
+aux prepare_devs 2 64
+
+blockdev --getss "$dev1"
+blockdev --getpbsz "$dev1"
+blockdev --getss "$dev2"
+blockdev --getpbsz "$dev2"
+
+# lbs 4k, pbs 4k, xfs 4k, wc 4k
+vgcreate $SHARED $vg "$dev1"
+vgextend $vg "$dev2"
+lvcreate -n $lv1 -l 8 -an $vg "$dev1"
+lvcreate -n $lv2 -l 4 -an $vg "$dev2"
+lvchange -ay $vg/$lv1
+mkfs.xfs -f "$DM_DEV_DIR/$vg/$lv1" |tee out
+grep sectsz=4096 out
+_add_new_data_to_mnt
+lvconvert --yes --type writecache --cachevol $lv2 $vg/$lv1
+blockdev --getss "$DM_DEV_DIR/$vg/$lv1" |tee out
+grep 4096 out
+blockdev --getpbsz "$DM_DEV_DIR/$vg/$lv1"
+_add_more_data_to_mnt
+_verify_data_on_mnt
+lvconvert --splitcache $vg/$lv1
+check lv_field $vg/$lv1 segtype linear
+check lv_field $vg/$lv2 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
+
+aux cleanup_scsi_debug_dev
+
+