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285 lines
6.7 KiB
Bash
Executable File
285 lines
6.7 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) 2008 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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. ./test-utils.sh
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dmsetup_has_dm_devdir_support_ || exit 200
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# ---------------------------------------------------------------------
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# Utilities
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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; done
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for d in $*; do ! grep -v "$d(" out; done
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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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aux prepare_vg 5 80
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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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if dmsetup table|grep $vg; then
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echo "ERROR: lvremove did leave some some mappings in DM behind!"
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return 1
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fi
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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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if dmsetup table|grep $vg; then
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echo "ERROR: lvremove did leave some some mappings in DM behind!"
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return 1
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fi
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}
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#COMM "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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#COMM "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 $dev1 $dev2 $dev3:0-1
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mimages_are_redundant_ $vg $lv1
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mirrorlog_is_on_ $vg/$lv1 $dev3
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check_and_cleanup_lvs_
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#COMM "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 $dev1 $dev2
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mimages_are_redundant_ $vg $lv1
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check_and_cleanup_lvs_
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#COMM "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 $dev1 $dev2 $dev4 $dev3:0-1
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mimages_are_redundant_ $vg $lv1
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mirrorlog_is_on_ $vg/$lv1 $dev3
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check_and_cleanup_lvs_
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#COMM "lvcreate --nosync is in 100% sync after creation (bz429342)"
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prepare_lvs_
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lvcreate -l2 -m1 --nosync -n $lv1 $vg $dev1 $dev2 $dev3:0-1 2>out
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grep "New mirror won't be synchronised." out
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lvs -o copy_percent --noheadings $vg/$lv1 |grep 100.00
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check_and_cleanup_lvs_
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# ---
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# convert
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#COMM "convert from linear to 2-way mirror"
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prepare_lvs_
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lvcreate -l2 -n $lv1 $vg $dev1
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lvconvert -m+1 $vg/$lv1 $dev2 $dev3:0-1
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mimages_are_redundant_ $vg $lv1
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mirrorlog_is_on_ $vg/$lv1 $dev3
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check_and_cleanup_lvs_
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#COMM "convert from 2-way mirror to linear"
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prepare_lvs_
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lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev3:0-1
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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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for status in active inactive; do
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# bz192865 lvconvert log of an inactive mirror lv
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#COMM "convert from disklog to corelog"
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prepare_lvs_
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lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev3:0-1
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test $status = "inactive" && lvchange -an $vg/$lv1
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yes | 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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#COMM "convert from corelog to disklog"
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prepare_lvs_
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lvcreate -l2 -m1 --mirrorlog core -n $lv1 $vg $dev1 $dev2
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test $status = "inactive" && lvchange -an $vg/$lv1
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lvconvert --mirrorlog disk $vg/$lv1 $dev3:0-1
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mimages_are_redundant_ $vg $lv1
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mirrorlog_is_on_ $vg/$lv1 $dev3
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check_and_cleanup_lvs_
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done
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# ---
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# resize
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#COMM "extend 2-way mirror"
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prepare_lvs_
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lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev3:0-1
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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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#COMM "reduce 2-way mirror"
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prepare_lvs_
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lvcreate -l4 -m1 -n $lv1 $vg $dev1 $dev2 $dev3:0-1
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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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#COMM "extend 2-way mirror (cling if not contiguous)"
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prepare_lvs_
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lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev3:0-1
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lvcreate -l1 -n $lv2 $vg $dev1
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lvcreate -l1 -n $lv3 $vg $dev2
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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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#COMM "create 2-way mirror with disklog from 2 PVs"
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prepare_lvs_
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not lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2
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# "(cleanup previous test)"
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check_and_cleanup_lvs_
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#COMM "convert linear to 2-way mirror with 1 PV"
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prepare_lvs_
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lvcreate -l2 -n $lv1 $vg $dev1
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not lvconvert -m+1 --mirrorlog core $vg/$lv1 $dev1
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# "(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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#COMM "force resync 2-way active mirror"
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prepare_lvs_
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lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev3:0-1
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mirrorlog_is_on_ $vg/$lv1 $dev3
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yes | lvchange --resync $vg/$lv1
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mirrorlog_is_on_ $vg/$lv1 $dev3
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check_and_cleanup_lvs_
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#COMM "force resync 2-way inactive mirror"
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prepare_lvs_
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lvcreate -l2 -m1 -n $lv1 $vg $dev1 $dev2 $dev3:0-1
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lvchange -an $vg/$lv1
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mirrorlog_is_on_ $vg/$lv1 $dev3
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lvchange --resync $vg/$lv1
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mirrorlog_is_on_ $vg/$lv1 $dev3
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check_and_cleanup_lvs_
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# ---------------------------------------------------------------------
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