mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-22 17:35:59 +03:00
758f674240
Actually restart was failing for different reason - so pass in proper location of dmeventd for restart from lvm command and avoid using the one from /sbin location. Update pv create test with "" around path.
150 lines
5.3 KiB
Bash
150 lines
5.3 KiB
Bash
#!/bin/sh
|
|
# Copyright (C) 2009 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
. lib/test
|
|
|
|
# skip this test if mdadm or sfdisk (or others) aren't available
|
|
which mdadm || skip
|
|
which sfdisk || skip
|
|
which perl || skip
|
|
which awk || skip
|
|
which cut || skip
|
|
|
|
test -f /proc/mdstat && grep -q raid0 /proc/mdstat || \
|
|
modprobe raid0 || skip
|
|
|
|
aux lvmconf 'devices/md_component_detection = 1'
|
|
aux lvmconf 'devices/filter = [ "a|/dev/md.*|", "a/dev\/mapper\/.*$/", "r/.*/" ]'
|
|
aux prepare_devs 2
|
|
|
|
# Have MD use a non-standard name to avoid colliding with an existing MD device
|
|
# - mdadm >= 3.0 requires that non-standard device names be in /dev/md/
|
|
# - newer mdadm _completely_ defers to udev to create the associated device node
|
|
mdadm_maj=$(mdadm --version 2>&1 | perl -pi -e 's|.* v(\d+).*|\1|')
|
|
[ $mdadm_maj -ge 3 ] && \
|
|
mddev=/dev/md/md_lvm_test0 || \
|
|
mddev=/dev/md_lvm_test0
|
|
|
|
cleanup_md() {
|
|
# sleeps offer hack to defeat: 'md: md127 still in use'
|
|
# see: https://bugzilla.redhat.com/show_bug.cgi?id=509908#c25
|
|
aux udev_wait
|
|
mdadm --stop "$mddev" || true
|
|
aux udev_wait
|
|
if [ -b "$mddev" ]; then
|
|
# mdadm doesn't always cleanup the device node
|
|
sleep 2
|
|
rm -f "$mddev"
|
|
fi
|
|
}
|
|
|
|
cleanup_md_and_teardown() {
|
|
cleanup_md
|
|
aux teardown
|
|
}
|
|
|
|
# create 2 disk MD raid0 array (stripe_width=128K)
|
|
test -b "$mddev" && skip
|
|
mdadm --create --metadata=1.0 "$mddev" --auto=md --level 0 --raid-devices=2 --chunk 64 "$dev1" "$dev2"
|
|
trap 'cleanup_md_and_teardown' EXIT # cleanup this MD device at the end of the test
|
|
test -b "$mddev" || skip
|
|
|
|
# Test alignment of PV on MD without any MD-aware or topology-aware detection
|
|
# - should treat $mddev just like any other block device
|
|
pv_align="1.00m"
|
|
pvcreate --metadatasize 128k \
|
|
--config 'devices {md_chunk_alignment=0 data_alignment_detection=0 data_alignment_offset_detection=0}' \
|
|
"$mddev"
|
|
check pv_field "$mddev" pe_start $pv_align
|
|
|
|
# Test md_chunk_alignment independent of topology-aware detection
|
|
pv_align="1.00m"
|
|
pvcreate --metadatasize 128k \
|
|
--config 'devices {data_alignment_detection=0 data_alignment_offset_detection=0}' \
|
|
"$mddev"
|
|
check pv_field "$mddev" pe_start $pv_align
|
|
|
|
|
|
# Test newer topology-aware alignment detection
|
|
# - first added to 2.6.31 but not "reliable" until 2.6.33
|
|
if kernel_at_least 2 6 33 ; then
|
|
pv_align="1.00m"
|
|
# optimal_io_size=131072, minimum_io_size=65536
|
|
pvcreate --metadatasize 128k \
|
|
--config 'devices { md_chunk_alignment=0 }' "$mddev"
|
|
check pv_field "$mddev" pe_start $pv_align
|
|
fi
|
|
|
|
# partition MD array directly, depends on blkext in Linux >= 2.6.28
|
|
if kernel_at_least 2 6 28 ; then
|
|
# create one partition
|
|
sfdisk "$mddev" <<EOF
|
|
,,83
|
|
EOF
|
|
# make sure partition on MD is _not_ removed
|
|
# - tests partition -> parent lookup via sysfs paths
|
|
not pvcreate --metadatasize 128k "$mddev"
|
|
|
|
# verify alignment_offset is accounted for in pe_start
|
|
# - topology infrastructure is available in Linux >= 2.6.31
|
|
# - also tests partition -> parent lookup via sysfs paths
|
|
|
|
# Oh joy: need to lookup /sys/block/md127 rather than /sys/block/md_lvm_test0
|
|
mddev_maj_min=$(ls -lL "$mddev" | awk '{ print $5 $6 }' | perl -pi -e 's|,|:|')
|
|
mddev_p_sysfs_name=$(echo /sys/dev/block/${mddev_maj_min}/*p1)
|
|
base_mddev_p=`basename $mddev_p_sysfs_name`
|
|
mddev_p=/dev/${base_mddev_p}
|
|
|
|
# in case the system is running without devtmpfs /dev
|
|
# wait here for created device node on tmpfs
|
|
aux udev_wait "$mddev_p"
|
|
test -b "$mddev_p" || skip
|
|
|
|
# Checking for 'alignment_offset' in sysfs implies Linux >= 2.6.31
|
|
# but reliable alignment_offset support requires kernel.org Linux >= 2.6.33
|
|
sysfs_alignment_offset=/sys/dev/block/${mddev_maj_min}/${base_mddev_p}/alignment_offset
|
|
[ -f $sysfs_alignment_offset ] && kernel_at_least 2 6 33 && \
|
|
alignment_offset=`cat $sysfs_alignment_offset` || \
|
|
alignment_offset=0
|
|
|
|
if [ $alignment_offset -gt 0 ]; then
|
|
# default alignment is 1M, add alignment_offset
|
|
pv_align=$((1048576+$alignment_offset))B
|
|
pvcreate --metadatasize 128k "$mddev_p"
|
|
check pv_field "$mddev_p" pe_start $pv_align --units b
|
|
pvremove "$mddev_p"
|
|
fi
|
|
fi
|
|
|
|
# Test newer topology-aware alignment detection w/ --dataalignment override
|
|
if kernel_at_least 2 6 33 ; then
|
|
cleanup_md
|
|
pvcreate -f "$dev1"
|
|
pvcreate -f "$dev2"
|
|
|
|
# create 2 disk MD raid0 array (stripe_width=2M)
|
|
test -b "$mddev" && skip
|
|
mdadm --create --metadata=1.0 "$mddev" --auto=md --level 0 --raid-devices=2 --chunk 1024 "$dev1" "$dev2"
|
|
test -b "$mddev" || skip
|
|
|
|
# optimal_io_size=2097152, minimum_io_size=1048576
|
|
pv_align="2.00m"
|
|
pvcreate --metadatasize 128k \
|
|
--config 'devices { md_chunk_alignment=0 }' "$mddev"
|
|
check pv_field "$mddev" pe_start $pv_align
|
|
|
|
# now verify pe_start alignment override using --dataalignment
|
|
pv_align="192.00k"
|
|
pvcreate --dataalignment 64k --metadatasize 128k \
|
|
--config 'devices { md_chunk_alignment=0 }' "$mddev"
|
|
check pv_field "$mddev" pe_start $pv_align
|
|
fi
|