mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-22 17:35:59 +03:00
0c409a58ee
(So the tests can run under cluster locking and do not require cluster mirror or snapshots.) Add vgscan before block device readahead change (flush long running process - clvmd - dev cache.)
63 lines
1.7 KiB
Bash
Executable File
63 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
|
|
# Copyright (C) 2008 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
|
|
|
|
#
|
|
# tests basic functionality of read-ahead and ra regressions
|
|
#
|
|
|
|
test_description='Test read-ahead functionality'
|
|
|
|
. ./test-utils.sh
|
|
|
|
|
|
get_lvs_() {
|
|
lvs --units s --nosuffix --noheadings -o $1 "$vg"/"$lv"
|
|
}
|
|
|
|
check_lvs_() {
|
|
case $(get_lvs_ $1) in
|
|
*$2) true ;;
|
|
*) false ;;
|
|
esac
|
|
}
|
|
|
|
aux prepare_vg 5
|
|
|
|
#COMM "test various read ahead settings (bz450922)"
|
|
lvcreate -n "$lv" -l 100%FREE -i5 -I256 "$vg"
|
|
ra="$(get_lvs_ lv_kernel_read_ahead)"
|
|
test "$(( ( $ra / 5 ) * 5 ))" -eq $ra
|
|
lvdisplay "$vg"/"$lv"
|
|
lvchange -r auto "$vg"/"$lv" 2>&1 | grep auto
|
|
check_lvs_ lv_read_ahead auto
|
|
check_lvs_ lv_kernel_read_ahead 5120
|
|
lvchange -r 640 "$vg/$lv"
|
|
check_lvs_ lv_read_ahead 640
|
|
lvremove -ff "$vg"
|
|
|
|
#COMM "read ahead is properly inherited from underlying PV"
|
|
blockdev --setra 768 $dev1
|
|
vgscan
|
|
lvcreate -n $lv -L4m $vg $dev1
|
|
test $(blockdev --getra $G_dev_/$vg/$lv) -eq 768
|
|
lvremove -ff $vg
|
|
|
|
# Check default, active/inactive values for read_ahead / kernel_read_ahead
|
|
lvcreate -n $lv -l 50%FREE $vg
|
|
lvchange -an $vg/$lv
|
|
check_lv_field_ $vg/$lv lv_read_ahead auto
|
|
check_lv_field_ $vg/$lv lv_kernel_read_ahead -1
|
|
lvchange -r 512 $vg/$lv
|
|
lvchange -ay $vg/$lv
|
|
check_lv_field_ $vg/$lv lv_read_ahead 256.00k
|
|
check_lv_field_ $vg/$lv lv_kernel_read_ahead 256.00k
|
|
lvremove -ff $vg
|