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ed5686d981
lvm-utils.sh. Clears up lots of unused code, should have little observable impact (it does change test directory layout slightly).
63 lines
1.7 KiB
Bash
Executable File
63 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) 2008 Red Hat, Inc. All rights reserved.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions
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# of the GNU General Public License v.2.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# tests basic functionality of read-ahead and ra regressions
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#
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test_description='Test read-ahead functionality'
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. ./test-utils.sh
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get_lvs_() {
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lvs --units s --nosuffix --noheadings -o $1 "$vg"/"$lv"
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}
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check_lvs_() {
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case $(get_lvs_ $1) in
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*$2) true ;;
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*) false ;;
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esac
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}
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aux prepare_vg 5
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#COMM "test various read ahead settings (bz450922)"
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lvcreate -n "$lv" -l 100%FREE -i5 -I256 "$vg"
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ra="$(get_lvs_ lv_kernel_read_ahead)"
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test "$(( ( $ra / 5 ) * 5 ))" -eq $ra
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lvdisplay "$vg"/"$lv"
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not lvchange -r auto "$vg"/"$lv" 2>&1 | grep auto
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check_lvs_ lv_read_ahead auto
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check_lvs_ lv_kernel_read_ahead 5120
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lvchange -r 640 "$vg/$lv"
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check_lvs_ lv_read_ahead 640
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lvremove -ff "$vg"
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#COMM "read ahead is properly inherited from underlying PV"
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blockdev --setra 768 $dev1
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vgscan
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lvcreate -n $lv -L4m $vg $dev1
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test $(blockdev --getra $DM_DEV_DIR/$vg/$lv) -eq 768
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lvremove -ff $vg
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# Check default, active/inactive values for read_ahead / kernel_read_ahead
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lvcreate -n $lv -l 50%FREE $vg
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lvchange -an $vg/$lv
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check_lv_field_ $vg/$lv lv_read_ahead auto
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check_lv_field_ $vg/$lv lv_kernel_read_ahead -1
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lvchange -r 512 $vg/$lv
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lvchange -ay $vg/$lv
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check_lv_field_ $vg/$lv lv_read_ahead 256.00k
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check_lv_field_ $vg/$lv lv_kernel_read_ahead 256.00k
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lvremove -ff $vg
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