mirror of
git://sourceware.org/git/lvm2.git
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329 lines
7.9 KiB
Bash
Executable File
329 lines
7.9 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) 2007 Red Hat, Inc. All rights reserved.
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# Copyright (C) 2007 NEC Corporation
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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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test_description="ensure that basic operations on mirrored LV works"
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privileges_required_=1
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. ./test-lib.sh
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dmsetup_has_dm_devdir_support_ ||
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{
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say "Your version of dmsetup lacks support for changing DM_DEVDIR."
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say "Skipping this test"
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exit 0
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}
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cleanup_()
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{
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test -n "$vg" && {
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lvremove -ff $vg
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vgremove $vg
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} > /dev/null
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test -n "$pvs" && {
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pvremove $pvs > /dev/null
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for d in $pvs; do
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dmsetup remove $(basename $d)
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done
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}
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losetup -d $lodev
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rm -f $lofile
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}
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# ---------------------------------------------------------------------
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# config
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nr_pvs=5
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pvsize=$((80 * 1024 * 2))
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vg=mirror-basic-vg-$$
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lv1=lv1
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lv2=lv2
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lv3=lv3
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# ---------------------------------------------------------------------
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# Utilities
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pv_()
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{
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echo "$G_dev_/mapper/pv$1"
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}
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lvdev_()
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{
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echo "$G_dev_/$1/$2"
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}
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mimages_are_redundant_ ()
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{
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local vg=$1
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local lv=$vg/$2
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local i
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rm -f out
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for i in $(lvs -odevices --noheadings $lv | sed 's/([^)]*)//g; s/,/ /g'); do
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lvs -a -odevices --noheadings $vg/$i | sed 's/([^)]*)//g; s/,/ /g' | \
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sort | uniq >> out
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done
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# if any duplication is found, it's not redundant
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sort out | uniq -d | grep . && return 1
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return 0
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}
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lv_is_contiguous_ ()
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{
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local lv=$1
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# if the lv has multiple segments, it's not contiguous
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[ $(lvs -a --segments --noheadings $lv | wc -l) -ne 1 ] && return 1
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return 0
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}
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lv_is_clung_ ()
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{
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local lv=$1
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# if any duplication is found, it's not redundant
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[ $(lvs -a -odevices --noheadings $lv | sed 's/([^)]*)//g' | \
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sort | uniq | wc -l) -ne 1 ] && return 1
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return 0
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}
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mimages_are_contiguous_ ()
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{
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local vg=$1
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local lv=$vg/$2
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local i
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for i in $(lvs -odevices --noheadings $lv | sed 's/([^)]*)//g; s/,/ /g'); do
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lv_is_contiguous_ $vg/$i || return 1
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done
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return 0
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}
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mimages_are_clung_ ()
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{
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local vg=$1
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local lv=$vg/$2
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local i
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for i in $(lvs -odevices --noheadings $lv | sed 's/([^)]*)//g; s/,/ /g'); do
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lv_is_clung_ $vg/$i || return 1
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done
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return 0
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}
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mirrorlog_is_on_()
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{
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local lv="$1"_mlog
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shift 1
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lvs -a -odevices --noheadings $lv | sed 's/,/\n/g' > out
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for d in $*; do grep "$d(" out || return 1; done
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for d in $*; do grep -v "$d(" out > out2; mv out2 out; done
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grep . out && return 1
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return 0
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}
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save_dev_sum_()
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{
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mkfs.ext3 $1 > /dev/null &&
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md5sum $1 > md5.$(basename $1)
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}
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check_dev_sum_()
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{
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md5sum $1 > md5.tmp && cmp md5.$(basename $1) md5.tmp
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}
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# ---------------------------------------------------------------------
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# Initialize PVs and VGs
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test_expect_success \
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'set up temp file and loopback device' \
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'lofile=$(pwd)/lofile && lodev=$(loop_setup_ "$lofile")'
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offset=0
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pvs=
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for n in $(seq 1 $nr_pvs); do
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test_expect_success \
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"create pv$n" \
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'echo "0 $pvsize linear $lodev $offset" > in &&
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dmsetup create pv$n < in'
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offset=$(($offset + $pvsize))
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done
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for n in $(seq 1 $nr_pvs); do
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pvs="$pvs $(pv_ $n)"
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done
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test_expect_success \
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"Run this: pvcreate $pvs" \
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'pvcreate $pvs'
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test_expect_success \
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'set up a VG' \
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'vgcreate $vg $pvs'
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# ---------------------------------------------------------------------
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# Common environment setup/cleanup for each sub testcases
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prepare_lvs_()
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{
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lvremove -ff $vg;
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:
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}
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check_and_cleanup_lvs_()
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{
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lvs -a -o+devices $vg &&
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lvremove -ff $vg
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}
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test_expect_success "check environment setup/cleanup" \
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'prepare_lvs_ &&
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check_and_cleanup_lvs_'
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# ---------------------------------------------------------------------
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# mirrored LV tests
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# ---
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# create
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test_expect_success "create 2-way mirror with disklog from 3 PVs" \
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'prepare_lvs_ &&
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lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3):0-1 &&
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mimages_are_redundant_ $vg $lv1 &&
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mirrorlog_is_on_ $vg/$lv1 $(pv_ 3) &&
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check_and_cleanup_lvs_'
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test_expect_success "create 2-way mirror with corelog from 2 PVs" \
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'prepare_lvs_ &&
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lvcreate -l2 -m1 --mirrorlog core -n $lv1 $vg $(pv_ 1) $(pv_ 2) &&
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mimages_are_redundant_ $vg $lv1 &&
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check_and_cleanup_lvs_'
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test_expect_success "create 3-way mirror with disklog from 4 PVs" \
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'prepare_lvs_ &&
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lvcreate -l2 -m2 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 4) $(pv_ 3):0-1 &&
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mimages_are_redundant_ $vg $lv1 &&
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mirrorlog_is_on_ $vg/$lv1 $(pv_ 3) &&
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check_and_cleanup_lvs_'
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# ---
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# convert
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test_expect_success "convert from linear to 2-way mirror" \
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'prepare_lvs_ &&
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lvcreate -l2 -n $lv1 $vg $(pv_ 1) &&
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lvconvert -m+1 $vg/$lv1 $(pv_ 2) $(pv_ 3):0-1 &&
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mimages_are_redundant_ $vg $lv1 &&
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mirrorlog_is_on_ $vg/$lv1 $(pv_ 3) &&
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check_and_cleanup_lvs_'
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test_expect_success "convert from 2-way mirror to linear" \
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'prepare_lvs_ &&
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lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3):0-1 &&
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lvconvert -m-1 $vg/$lv1 &&
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mimages_are_redundant_ $vg $lv1 &&
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check_and_cleanup_lvs_'
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test_expect_success "convert from disklog to corelog" \
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'prepare_lvs_ &&
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lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3):0-1 &&
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lvconvert --mirrorlog core $vg/$lv1 &&
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mimages_are_redundant_ $vg $lv1 &&
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check_and_cleanup_lvs_'
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test_expect_success "convert from corelog to disklog" \
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'prepare_lvs_ &&
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lvcreate -l2 -m1 --mirrorlog core -n $lv1 $vg $(pv_ 1) $(pv_ 2) &&
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lvconvert --mirrorlog disk $vg/$lv1 $(pv_ 3):0-1 &&
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mimages_are_redundant_ $vg $lv1 &&
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mirrorlog_is_on_ $vg/$lv1 $(pv_ 3) &&
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check_and_cleanup_lvs_'
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# ---
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# resize
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test_expect_success "extend 2-way mirror" \
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'prepare_lvs_ &&
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lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3):0-1 &&
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lvchange -an $vg/$lv1 &&
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lvextend -l+2 $vg/$lv1 &&
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mimages_are_redundant_ $vg $lv1 &&
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mimages_are_contiguous_ $vg $lv1 &&
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check_and_cleanup_lvs_'
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test_expect_success "reduce 2-way mirror" \
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'prepare_lvs_ &&
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lvcreate -l4 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3):0-1 &&
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lvchange -an $vg/$lv1 &&
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lvreduce -l-2 $vg/$lv1 &&
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check_and_cleanup_lvs_'
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test_expect_success "extend 2-way mirror (cling if not contiguous)" \
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'prepare_lvs_ &&
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lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3):0-1 &&
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lvcreate -l1 -n $lv2 $vg $(pv_ 1) &&
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lvcreate -l1 -n $lv3 $vg $(pv_ 2) &&
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lvchange -an $vg/$lv1 &&
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lvextend -l+2 $vg/$lv1 &&
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mimages_are_redundant_ $vg $lv1 &&
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mimages_are_clung_ $vg $lv1 &&
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check_and_cleanup_lvs_'
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# ---
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# failure cases
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test_expect_failure "create 2-way mirror with disklog from 2 PVs" \
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'prepare_lvs_ &&
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lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2)'
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test_expect_success "(cleanup previous test)" \
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'check_and_cleanup_lvs_'
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test_expect_failure "convert linear to 2-way mirror with 1 PV" \
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'prepare_lvs_ &&
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lvcreate -l2 -n $lv1 $vg $(pv_ 1) &&
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lvconvert -m+1 --mirrorlog core $vg/$lv1 $(pv_ 1)'
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test_expect_success "(cleanup previous test)" \
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'check_and_cleanup_lvs_'
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# ---
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# resync
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# FIXME: using dm-delay to properly check whether the resync really started
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test_expect_success "force resync 2-way active mirror" \
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'prepare_lvs_ &&
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lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3):0-1 &&
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mirrorlog_is_on_ $vg/$lv1 $(pv_ 3) &&
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yes | lvchange --resync $vg/$lv1 &&
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mirrorlog_is_on_ $vg/$lv1 $(pv_ 3) &&
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check_and_cleanup_lvs_'
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test_expect_success "force resync 2-way inactive mirror" \
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'prepare_lvs_ &&
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lvcreate -l2 -m1 -n $lv1 $vg $(pv_ 1) $(pv_ 2) $(pv_ 3):0-1 &&
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lvchange -an $vg/$lv1 &&
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mirrorlog_is_on_ $vg/$lv1 $(pv_ 3) &&
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lvchange --resync $vg/$lv1 &&
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mirrorlog_is_on_ $vg/$lv1 $(pv_ 3) &&
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check_and_cleanup_lvs_'
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# ---------------------------------------------------------------------
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test_done
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