1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
#!/usr/bin/env bash
# Copyright (C) 2010-2015 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
SKIP_WITH_LVMPOLLD=1
. lib/inittest
which mkfs.ext3 || skip
lvdev_() {
echo "$DM_DEV_DIR/$1/$2"
}
test_snapshot_mount() {
lvcreate -aey -L4M -n $lv1 $vg "$dev1"
mkfs.ext3 -b4096 "$(lvdev_ $vg $lv1)"
mkdir test_mnt
mount "$(lvdev_ $vg $lv1)" test_mnt
lvcreate -L4M -n $lv2 -s $vg/$lv1
umount test_mnt
aux udev_wait
# mount the origin
mount "$(lvdev_ $vg $lv1)" test_mnt
umount test_mnt
aux udev_wait
# mount the snapshot
mount "$(lvdev_ $vg $lv2)" test_mnt
umount test_mnt
rm -r test_mnt
vgchange -an $vg
lvremove -f $vg/$lv1
}
# FIXME add more topology-specific tests and validation (striped LVs, etc)
NUM_DEVS=1
PER_DEV_SIZE=34
DEV_SIZE=$(( NUM_DEVS * PER_DEV_SIZE ))
# ---------------------------------------------
# Create "desktop-class" 4K drive
# (logical_block_size=512, physical_block_size=4096, alignment_offset=0):
LOGICAL_BLOCK_SIZE=512
aux prepare_scsi_debug_dev $DEV_SIZE \
sector_size=$LOGICAL_BLOCK_SIZE physblk_exp=3
# Test that kernel supports topology
if [ ! -e "/sys/block/$(basename "$(< SCSI_DEBUG_DEV)")/alignment_offset" ] ; then
aux cleanup_scsi_debug_dev
skip
fi
check sysfs "$(< SCSI_DEBUG_DEV)" queue/logical_block_size "$LOGICAL_BLOCK_SIZE"
aux prepare_pvs $NUM_DEVS $PER_DEV_SIZE
get_devs
vgcreate $SHARED $vg "${DEVICES[@]}"
test_snapshot_mount
vgremove $vg
aux cleanup_scsi_debug_dev
# ---------------------------------------------
# Create "desktop-class" 4K drive w/ 63-sector DOS partition compensation
# (logical_block_size=512, physical_block_size=4096, alignment_offset=3584):
LOGICAL_BLOCK_SIZE=512
aux prepare_scsi_debug_dev $DEV_SIZE \
sector_size=$LOGICAL_BLOCK_SIZE physblk_exp=3 lowest_aligned=7
check sysfs "$(< SCSI_DEBUG_DEV)" queue/logical_block_size $LOGICAL_BLOCK_SIZE
aux prepare_pvs $NUM_DEVS $PER_DEV_SIZE
vgcreate $SHARED $vg "${DEVICES[@]}"
test_snapshot_mount
vgremove $vg
aux cleanup_scsi_debug_dev
# ---------------------------------------------
# Create "enterprise-class" 4K drive
# (logical_block_size=4096, physical_block_size=4096, alignment_offset=0):
LOGICAL_BLOCK_SIZE=4096
aux prepare_scsi_debug_dev $DEV_SIZE \
sector_size=$LOGICAL_BLOCK_SIZE
check sysfs "$(< SCSI_DEBUG_DEV)" queue/logical_block_size $LOGICAL_BLOCK_SIZE
aux prepare_pvs $NUM_DEVS $PER_DEV_SIZE
vgcreate $SHARED $vg "${DEVICES[@]}"
test_snapshot_mount
vgremove $vg
aux cleanup_scsi_debug_dev
# scsi_debug option opt_blks appeared in Oct 2010
aux kernel_at_least 2 6 37 || exit 0
# ---------------------------------------------
# Create "enterprise-class" 512 drive w/ HW raid stripe_size = 768K
# (logical_block_size=512, physical_block_size=512, alignment_offset=0):
# - tests case where optimal_io_size=768k < default PE alignment=1MB
LOGICAL_BLOCK_SIZE=512
aux prepare_scsi_debug_dev $DEV_SIZE \
sector_size=$LOGICAL_BLOCK_SIZE opt_blks=1536
check sysfs "$(< SCSI_DEBUG_DEV)" queue/logical_block_size $LOGICAL_BLOCK_SIZE
check sysfs "$(< SCSI_DEBUG_DEV)" queue/optimal_io_size 786432
aux prepare_devs 1 $PER_DEV_SIZE
pvcreate --metadatasize 255s "${DEVICES[@]}"
# Kernel (3.19) could provide wrong results - in this case skip
# test with incorrect result - lvm2 can't figure out good values.
SHOULD=""
check sysfs "$dev1" queue/optimal_io_size 786432 || SHOULD=should
$SHOULD check pv_field "${DEVICES[@]}" pe_start 768.00k
aux cleanup_scsi_debug_dev
|
