mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-22 17:35:59 +03:00
28c8e95d19
If scanning fails to open any devices, refresh the device paths in dev cache, and retry the opens.
135 lines
4.4 KiB
Bash
135 lines
4.4 KiB
Bash
#!/usr/bin/env bash
|
|
|
|
# Copyright (C) 2009-2015 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_LVMLOCKD=1
|
|
SKIP_WITH_LVMPOLLD=1
|
|
|
|
. lib/inittest
|
|
|
|
# skip this test if mdadm or sfdisk (or others) aren't available
|
|
which sfdisk || skip
|
|
|
|
test -f /proc/mdstat && grep -q raid0 /proc/mdstat || \
|
|
modprobe raid0 || skip
|
|
|
|
aux lvmconf 'devices/md_component_detection = 1'
|
|
aux extend_filter_LVMTEST
|
|
aux extend_filter "a|/dev/md.*|"
|
|
|
|
aux prepare_devs 2
|
|
|
|
# create 2 disk MD raid0 array (stripe_width=128K)
|
|
aux prepare_md_dev 0 64 2 "$dev1" "$dev2"
|
|
|
|
mddev=$(< MD_DEV)
|
|
pvdev=$(< MD_DEV_PV)
|
|
|
|
# Test alignment of PV on MD without any MD-aware or topology-aware detection
|
|
# - should treat $mddev just like any other block device
|
|
pvcreate --metadatasize 128k \
|
|
--config 'devices {md_chunk_alignment=0 data_alignment_detection=0 data_alignment_offset_detection=0}' \
|
|
"$pvdev"
|
|
|
|
check pv_field "$pvdev" pe_start "1.00m"
|
|
|
|
# Test md_chunk_alignment independent of topology-aware detection
|
|
pvcreate --metadatasize 128k \
|
|
--config 'devices {data_alignment_detection=0 data_alignment_offset_detection=0}' \
|
|
"$pvdev"
|
|
check pv_field "$pvdev" pe_start "1.00m"
|
|
|
|
# Test newer topology-aware alignment detection
|
|
# - first added to 2.6.31 but not "reliable" until 2.6.33
|
|
if aux kernel_at_least 2 6 33 ; then
|
|
# optimal_io_size=131072, minimum_io_size=65536
|
|
pvcreate --metadatasize 128k \
|
|
--config 'devices { md_chunk_alignment=0 }' "$pvdev"
|
|
check pv_field "$pvdev" pe_start "1.00m"
|
|
pvremove "$pvdev"
|
|
fi
|
|
|
|
# partition MD array directly, depends on blkext in Linux >= 2.6.28
|
|
if aux kernel_at_least 2 6 28 ; then
|
|
# create one partition
|
|
sfdisk "$mddev" <<EOF
|
|
,,83
|
|
EOF
|
|
# Wait till all partition links in udev are created
|
|
aux udev_wait
|
|
|
|
# Skip test if udev rule has not created proper links for partitions
|
|
test -b "${mddev}p1" || { ls -laR /dev ; skip "Missing partition link" ; }
|
|
|
|
pvscan
|
|
# make sure partition on MD is _not_ removed
|
|
# - tests partition -> parent lookup via sysfs paths
|
|
not pvcreate --metadatasize 128k "$pvdev"
|
|
|
|
# verify alignment_offset is accounted for in pe_start
|
|
# - topology infrastructure is available in Linux >= 2.6.31
|
|
# - also tests partition -> parent lookup via sysfs paths
|
|
|
|
# Checking for 'alignment_offset' in sysfs implies Linux >= 2.6.31
|
|
# but reliable alignment_offset support requires kernel.org Linux >= 2.6.33
|
|
if aux kernel_at_least 2 6 33 ; then
|
|
# in case the system is running without devtmpfs /dev
|
|
# wait here for created device node on tmpfs
|
|
test "$DM_DEV_DIR" = "/dev" || cp -LR "${mddev}p1" "${pvdev%/*}"
|
|
|
|
pvcreate --metadatasize 128k "${pvdev}p1"
|
|
|
|
maj=$(($(stat -L --printf=0x%t "${mddev}p1")))
|
|
min=$(($(stat -L --printf=0x%T "${mddev}p1")))
|
|
|
|
ls /sys/dev/block/$maj:$min/
|
|
ls /sys/dev/block/$maj:$min/holders/
|
|
cat /sys/dev/block/$maj:$min/dev
|
|
cat /sys/dev/block/$maj:$min/stat
|
|
cat /sys/dev/block/$maj:$min/size
|
|
|
|
sysfs_alignment_offset="/sys/dev/block/$maj:$min/alignment_offset"
|
|
[ -f "$sysfs_alignment_offset" ] && \
|
|
alignment_offset=$(< "$sysfs_alignment_offset") || \
|
|
alignment_offset=0
|
|
|
|
# default alignment is 1M, add alignment_offset
|
|
pv_align=$(( 1048576 + alignment_offset ))
|
|
check pv_field "${pvdev}p1" pe_start $pv_align --units b --nosuffix
|
|
|
|
pvremove "${pvdev}p1"
|
|
test "$DM_DEV_DIR" = "/dev" || rm -f "${pvdev}p1"
|
|
fi
|
|
fi
|
|
|
|
# Test newer topology-aware alignment detection w/ --dataalignment override
|
|
if aux kernel_at_least 2 6 33 ; then
|
|
# make sure we're clean for another test
|
|
dd if=/dev/zero of="$mddev" bs=512 count=4 conv=fdatasync
|
|
partprobe -s "$mddev"
|
|
aux prepare_md_dev 0 1024 2 "$dev1" "$dev2"
|
|
pvdev=$(< MD_DEV_PV)
|
|
|
|
# optimal_io_size=2097152, minimum_io_size=1048576
|
|
pvcreate --metadatasize 128k \
|
|
--config 'devices { md_chunk_alignment=0 }' "$pvdev"
|
|
|
|
# to see the processing of scanning
|
|
pvs -vvvv
|
|
|
|
check pv_field "$pvdev" pe_start "2.00m"
|
|
|
|
# now verify pe_start alignment override using --dataalignment
|
|
pvcreate --dataalignment 64k --metadatasize 128k \
|
|
--config 'devices { md_chunk_alignment=0 }' "$pvdev"
|
|
check pv_field "$pvdev" pe_start "192.00k"
|
|
fi
|