mirror of
git://sourceware.org/git/lvm2.git
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d68e5d5ab9
Replace some in-test use of lvs commands with their check and get equivalent. Advantage is these 'checking' commands are not necessarily always valiadated via extensive valgrind testing and also the output noice is significantly reduces since the output of check/get is suppressed.
360 lines
11 KiB
Bash
360 lines
11 KiB
Bash
#!/bin/sh
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# Copyright (C) 2013 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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. lib/test
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THIN_POSTFIX=""
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# Writemostly has been in every version since the begining
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# Device refresh in 1.5.1 upstream and 1.3.4 < x < 1.4.0 in RHEL6
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# Sync action in 1.5.0 upstream and 1.3.3 < x < 1.4.0 in RHEL6
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# Proper mismatch count 1.5.2 upstream,1.3.5 < x < 1.4.0 in RHEL6
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#
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# We will simplify and simple test for 1.5.2 and 1.3.5 < x < 1.4.0
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aux target_at_least dm-raid 1 3 5 &&
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! aux target_at_least dm-raid 1 4 0 ||
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aux target_at_least dm-raid 1 5 2 || skip
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# DEVICE "$dev6" is reserved for non-RAID LVs that
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# will not undergo failure
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aux prepare_vg 6
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# run_writemostly_check <VG> <LV>
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run_writemostly_check() {
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local vg=$1
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local lv=${2}${THIN_POSTFIX}
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local segtype=$(get lv_field $vg/$lv segtype -a)
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local d0=$(get lv_devices $vg/${lv}_rimage_0)
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local d1=$(get lv_devices $vg/${lv}_rimage_1)
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printf "#\n#\n#\n# %s/%s (%s): run_writemostly_check\n#\n#\n#\n" \
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$vg $lv $segtype
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# No writemostly flag should be there yet.
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get lv_field $vg/${lv}_rimage_0 lv_attr -a | grep '.*-.$'
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get lv_field $vg/${lv}_rimage_1 lv_attr -a | grep '.*-.$'
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if [ "$segtype" != "raid1" ]; then
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not lvchange --writemostly $d0 $vg/$lv
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return
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fi
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# Set the flag
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lvchange --writemostly $d0 $vg/$lv
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get lv_field $vg/${lv}_rimage_0 lv_attr -a | grep '.*w.$'
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# Running again should leave it set (not toggle)
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lvchange --writemostly $d0 $vg/$lv
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get lv_field $vg/${lv}_rimage_0 lv_attr -a | grep '.*w.$'
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# Running again with ':y' should leave it set
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lvchange --writemostly $d0:y $vg/$lv
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get lv_field $vg/${lv}_rimage_0 lv_attr -a | grep '.*w.$'
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# ':n' should unset it
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lvchange --writemostly $d0:n $vg/$lv
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get lv_field $vg/${lv}_rimage_0 lv_attr -a | grep '.*-.$'
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# ':n' again should leave it unset
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lvchange --writemostly $d0:n $vg/$lv
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get lv_field $vg/${lv}_rimage_0 lv_attr -a | grep '.*-.$'
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# ':t' toggle to set
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lvchange --writemostly $d0:t $vg/$lv
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get lv_field $vg/${lv}_rimage_0 lv_attr -a | grep '.*w.$'
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# ':t' toggle to unset
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lvchange --writemostly $d0:t $vg/$lv
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get lv_field $vg/${lv}_rimage_0 lv_attr -a | grep '.*-.$'
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# ':y' to set
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lvchange --writemostly $d0:y $vg/$lv
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get lv_field $vg/${lv}_rimage_0 lv_attr -a | grep '.*w.$'
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# Toggle both at once
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lvchange --writemostly $d0:t --writemostly $d1:t $vg/$lv
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get lv_field $vg/${lv}_rimage_0 lv_attr -a | grep '.*-.$'
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get lv_field $vg/${lv}_rimage_1 lv_attr -a | grep '.*w.$'
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# Toggle both at once again
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lvchange --writemostly $d0:t --writemostly $d1:t $vg/$lv
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get lv_field $vg/${lv}_rimage_0 lv_attr -a | grep '.*w.$'
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get lv_field $vg/${lv}_rimage_1 lv_attr -a | grep '.*-.$'
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# Toggle one, unset the other
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lvchange --writemostly $d0:n --writemostly $d1:t $vg/$lv
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get lv_field $vg/${lv}_rimage_0 lv_attr -a | grep '.*-.$'
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get lv_field $vg/${lv}_rimage_1 lv_attr -a | grep '.*w.$'
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# Toggle one, set the other
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lvchange --writemostly $d0:y --writemostly $d1:t $vg/$lv
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get lv_field $vg/${lv}_rimage_0 lv_attr -a | grep '.*w.$'
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get lv_field $vg/${lv}_rimage_1 lv_attr -a | grep '.*-.$'
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# Partial flag supercedes writemostly flag
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aux disable_dev $d0
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get lv_field $vg/${lv}_rimage_0 lv_attr -a | grep '.*p.$'
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# It is possible for the kernel to detect the failed device before
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# we re-enable it. If so, the field will be set to 'r'efresh since
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# that also takes precedence over 'w'ritemostly. If this has happened,
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# we refresh the LV and then check for 'w'.
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aux enable_dev $d0
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get lv_field $vg/${lv}_rimage_0 lv_attr -a | grep '.*r.$' && lvchange --refresh $vg/$lv
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get lv_field $vg/${lv}_rimage_0 lv_attr -a | grep '.*w.$'
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# Catch Bad writebehind values
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not lvchange --writebehind "invalid" $vg/$lv
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not lvchange --writebehind -256 $vg/$lv
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# Set writebehind
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check lv_field $vg/$lv raid_write_behind ""
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lvchange --writebehind 512 $vg/$lv
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check lv_field $vg/$lv raid_write_behind "512"
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# Converting to linear should clear flags and writebehind
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lvconvert -m 0 $vg/$lv $d1
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lvconvert --type raid1 -m 1 $vg/$lv $d1
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check lv_field $vg/$lv raid_write_behind ""
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get lv_field $vg/${lv}_rimage_0 lv_attr -a | grep '.*-.$'
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get lv_field $vg/${lv}_rimage_1 lv_attr -a | grep '.*-.$'
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}
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# run_syncaction_check <VG> <LV>
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run_syncaction_check() {
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local device
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local seek
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local size
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local tmp
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local vg=$1
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local lv=${2}${THIN_POSTFIX}
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printf "#\n#\n#\n# %s/%s (%s): run_syncaction_check\n#\n#\n#\n" \
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$vg $lv $(get lv_field $vg/$lv segtype -a)
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aux wait_for_sync $vg $lv
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device=$(get lv_devices $vg/${lv}_rimage_1)
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size=$(get lv_field $vg/${lv}_rimage_1 size -a --units 1k)
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size=$((${size%\.00k} / 2))
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tmp=$(get pv_field $device mda_size --units 1k)
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seek=${tmp%\.00k} # Jump over MDA
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tmp=$(get lv_field $vg/${lv}_rmeta_1 size -a --units 1k)
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seek=$(($seek + ${tmp%\.00k})) # Jump over RAID metadata image
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seek=$(($seek + $size)) # Jump halfway through the RAID image
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get lv_field $vg/$lv lv_attr | grep '.*-.$'
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check lv_field $vg/$lv raid_mismatch_count "0"
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# Overwrite the last half of one of the PVs with crap
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dd if=/dev/urandom of=$device bs=1k count=$size seek=$seek
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if [ -n "$THIN_POSTFIX" ]; then
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#
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# Seems to work fine on real devices,
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# but can't make the system notice the bad blocks
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# in the testsuite - especially when thin is layered
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# on top of RAID. In other cases, I can deactivate
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# and reactivate and it works. Here, even that doesn't
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# work.
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return 0
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lvchange -an $vg/$2
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lvchange -ay $vg/$2
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else
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lvchange -an $vg/$lv
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lvchange -ay $vg/$lv
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fi
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# "check" should find discrepancies but not change them
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# 'lvs' should show results
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lvchange --syncaction check $vg/$lv
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aux wait_for_sync $vg $lv
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if ! get lv_field $vg/$lv lv_attr -a | grep '.*m.$'; then
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dmsetup status | grep $vg
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false
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fi
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not check lv_field $vg/$lv raid_mismatch_count "0"
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# "repair" will fix discrepancies
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lvchange --syncaction repair $vg/$lv
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aux wait_for_sync $vg $lv
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# Final "check" should show no mismatches
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# 'lvs' should show results
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lvchange --syncaction check $vg/$lv
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aux wait_for_sync $vg $lv
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get lv_field $vg/$lv lv_attr | grep '.*-.$'
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check lv_field $vg/$lv raid_mismatch_count "0"
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}
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# run_refresh_check <VG> <LV>
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# Assumes "$dev2" is in the array
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run_refresh_check() {
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local size
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local sizelv
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local vg=$1
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local lv=${2}${THIN_POSTFIX}
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printf "#\n#\n#\n# %s/%s (%s): run_refresh_check\n#\n#\n#\n" \
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$vg $lv $(get lv_field $vg/$lv segtype -a)
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aux wait_for_sync $vg $lv
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sizelv=$vg/$lv
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test -z "$THIN_POSTFIX" || sizelv=$vg/thinlv
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size=$(get lv_field $sizelv size --units 1k)
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size=${size%\.00k}
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# Disable dev2 and do some I/O to make the kernel notice
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aux disable_dev "$dev2"
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dd if=/dev/urandom of=/dev/$sizelv bs=1k count=$size
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sync
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# Check for 'p'artial flag
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get lv_field $vg/$lv lv_attr | grep '.*p.$'
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dmsetup status
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lvs -a -o name,attr,devices $vg
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aux enable_dev "$dev2"
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dmsetup status
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lvs -a -o name,attr,devices $vg
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# Check for 'r'efresh flag
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get lv_field $vg/$lv lv_attr | grep '.*r.$'
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lvchange --refresh $vg/$lv
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aux wait_for_sync $vg $lv
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get lv_field $vg/$lv lv_attr | grep '.*-.$'
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# Writing random data above should mean that the devices
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# were out-of-sync. The refresh should have taken care
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# of properly reintegrating the device.
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lvchange --syncaction repair $vg/$lv
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aux wait_for_sync $vg $lv
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get lv_field $vg/$lv lv_attr | grep '.*-.$'
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}
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# run_recovery_rate_check <VG> <LV>
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# Assumes "$dev2" is in the array
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run_recovery_rate_check() {
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local vg=$1
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local lv=${2}${THIN_POSTFIX}
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printf "#\n#\n#\n# %s/%s $(%s): run_recovery_rate_check\n#\n#\n#\n" \
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$vg $lv $(get lv_field $vg/$lv segtype -a)
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lvchange --minrecoveryrate 50 $vg/$lv
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lvchange --maxrecoveryrate 100 $vg/$lv
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check lv_field $vg/$lv raid_min_recovery_rate "50"
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check lv_field $vg/$lv raid_max_recovery_rate "100"
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}
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# run_checks <VG> <LV> <"-"|snapshot_dev|"thinpool_data"|"thinpool_meta">
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run_checks() {
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THIN_POSTFIX=""
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if [ -z $3 ]; then
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printf "#\n#\n# run_checks: Too few arguments\n#\n#\n"
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return 1
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elif [ '-' == $3 ]; then
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printf "#\n#\n# run_checks: Simple check\n#\n#\n"
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run_writemostly_check $1 $2
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run_syncaction_check $1 $2
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run_refresh_check $1 $2
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run_recovery_rate_check $1 $2
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elif [ 'thinpool_data' == $3 ]; then
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aux have_thin 1 8 0 || return 0
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# RAID works EX in cluster
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# thinpool works EX in cluster
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# but they don't work together in a cluster yet
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# (nor does thinpool+mirror work in a cluster yet)
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test -e LOCAL_CLVMD && return 0
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printf "#\n#\n# run_checks: RAID as thinpool data\n#\n#\n"
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# Hey, specifying devices for thin allocation doesn't work
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# lvconvert --thinpool $1/$2 "$dev6"
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lvcreate -aey -L 2M -n ${2}_meta $1 "$dev6"
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lvconvert --thinpool $1/$2 --poolmetadata ${2}_meta
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lvcreate -T $1/$2 -V 1 -n thinlv
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THIN_POSTFIX="_tdata"
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run_writemostly_check $1 $2
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run_syncaction_check $1 $2
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run_refresh_check $1 $2
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run_recovery_rate_check $1 $2
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elif [ 'thinpool_meta' == $3 ]; then
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aux have_thin 1 8 0 || return 0
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test -e LOCAL_CLVMD && return 0
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printf "#\n#\n# run_checks: RAID as thinpool metadata\n#\n#\n"
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lvrename $1/$2 ${2}_meta
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lvcreate -aey -L 2M -n $2 $1 "$dev6"
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lvconvert --thinpool $1/$2 --poolmetadata ${2}_meta
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lvcreate -T $1/$2 -V 1 -n thinlv
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THIN_POSTFIX="_tmeta"
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run_writemostly_check $1 $2
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run_syncaction_check $1 $2
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run_refresh_check $1 $2
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run_recovery_rate_check $1 $2
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elif [ 'snapshot' == $3 ]; then
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printf "#\n#\n# run_checks: RAID under snapshot\n#\n#\n"
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lvcreate -aey -s $1/$2 -l 4 -n snap "$dev6"
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run_writemostly_check $1 $2
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run_syncaction_check $1 $2
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run_refresh_check $1 $2
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run_recovery_rate_check $1 $2
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lvremove -ff $1/snap
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else
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printf "#\n#\n# run_checks: Invalid argument\n#\n#\n"
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return 1
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fi
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}
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########################################################
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# MAIN
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########################################################
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for i in "-" "snapshot" "thinpool_data" "thinpool_meta"; do
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lvcreate --type raid1 -m 1 -L 2M -n $lv1 $vg \
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"$dev1" "$dev2"
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run_checks $vg $lv1 $i
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lvremove -ff $vg
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lvcreate --type raid4 -i 2 -L 2M -n $lv1 $vg \
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"$dev1" "$dev2" "$dev3" "$dev4"
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run_checks $vg $lv1 $i
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lvremove -ff $vg
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lvcreate --type raid5 -i 2 -L 2M -n $lv1 $vg \
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"$dev1" "$dev2" "$dev3" "$dev4"
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run_checks $vg $lv1 $i
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lvremove -ff $vg
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lvcreate --type raid6 -i 3 -L 2M -n $lv1 $vg \
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"$dev1" "$dev2" "$dev3" "$dev4" "$dev5"
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run_checks $vg $lv1 $i
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lvremove -ff $vg
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lvcreate --type raid10 -m 1 -i 2 -L 2M -n $lv1 $vg \
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"$dev1" "$dev2" "$dev3" "$dev4"
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run_checks $vg $lv1 $i
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lvremove -ff $vg
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done
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