test/shell/lvconvert-mirror.sh - manifest_repos/lvm2 - Git at Google

 #!/bin/sh
 # Copyright (C) 2010-2015 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

 SKIP_WITH_LVMLOCKD=1

 # disable lvmetad logging as it bogs down test systems
 export LVM_TEST_LVMETAD_DEBUG_OPTS=${LVM_TEST_LVMETAD_DEBUG_OPTS-}

 . lib/inittest

 aux prepare_pvs 5 20
 # proper DEVRANGE needs to be set according to extent size
 DEVRANGE="0-32"
 vgcreate -s 32k $vg $(cat DEVICES)

 # convert from linear to 2-way mirror ("mirror" default type)
 lvcreate -aey -l2 -n $lv1 $vg "$dev1"
 lvconvert -i1 -m+1 $vg/$lv1 "$dev2" "$dev3:0-1" \
 	--config 'global { mirror_segtype_default = "mirror" }'
 lvs --noheadings -o attr $vg/$lv1 | grep '^[[:space:]]*m'
 lvremove -ff $vg

 # convert from linear to 2-way mirror (override "raid1" default type)
 lvcreate -aey -l2 -n $lv1 $vg "$dev1"
 lvconvert -i1 --type mirror -m+1 $vg/$lv1 "$dev2" "$dev3:0-1" \
 	--config 'global { mirror_segtype_default = "raid1" }'
 lvs --noheadings -o attr $vg/$lv1 | grep '^[[:space:]]*m'
 lvremove -ff $vg

 # convert from linear to 2-way mirror - with tags and volume_list (bz683270)
 lvcreate -aey -l2 -n $lv1 $vg --addtag hello
 lvconvert -i1 --type mirror -m+1 $vg/$lv1 \
     --config 'activation { volume_list = [ "@hello" ] }'
 lvremove -ff $vg

 # convert from 2-way to 3-way mirror - with tags and volume_list (bz683270)
 lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg --addtag hello
 lvconvert -i1 -m+1 $vg/$lv1 \
     --config 'activation { volume_list = [ "@hello" ] }'
 lvremove -ff $vg

 # convert from 2-way mirror to linear
 lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:0-1"
 lvconvert -m-1 $vg/$lv1
 check linear $vg $lv1
 lvremove -ff $vg
 # and now try removing a specific leg (bz453643)
 lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:0-1"
 lvconvert -m0 $vg/$lv1 "$dev2"
 check lv_on $vg $lv1 "$dev1"
 lvremove -ff $vg

 # convert from disklog to corelog, active
 lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:0-1"
 lvconvert -f --mirrorlog core $vg/$lv1
 check mirror $vg $lv1 core
 lvremove -ff $vg

 # convert from corelog to disklog, active
 lvcreate -aey -l2 --type mirror -m1 --mirrorlog core -n $lv1 $vg "$dev1" "$dev2"
 lvconvert --mirrorlog disk $vg/$lv1 "$dev3:0-1"
 check mirror $vg $lv1 "$dev3"
 lvremove -ff $vg

 # convert linear to 2-way mirror with 1 PV
 lvcreate -aey -l2 -n $lv1 $vg "$dev1"
 not lvconvert -m+1 --mirrorlog core $vg/$lv1 "$dev1"
 lvremove -ff $vg

 # Start w/ 3-way mirror
 # Test pulling primary image before mirror in-sync (should fail)
 # Test pulling primary image after mirror in-sync (should work)
 # Test that the correct devices remain in the mirror
 offset=$(get first_extent_sector "$dev2")
 offset=$(( offset + 2 ))
 # put 1 single slowing delayed sector
 # update in case  mirror ever gets faster and allows parallel read
 aux delay_dev "$dev2" 0 2000 ${offset}:1
 lvcreate -aey -l5 -Zn -Wn --type mirror --regionsize 16K -m2 -n $lv1 $vg "$dev1" "$dev2" "$dev4" "$dev3:$DEVRANGE"
 # FIXME: add a new explicit option to define the polling behavior
 # done here with 'lvconvert vg/lv'.  That option can specify
 # that the command succeeds even if the LV doesn't need polling.
 should not lvconvert -m-1 $vg/$lv1 "$dev1"
 aux enable_dev "$dev2"
 should lvconvert $vg/$lv1 # wait
 lvconvert -m2 $vg/$lv1 "$dev1" "$dev2" "$dev4" "$dev3:0" # If the above "should" failed...

 aux wait_for_sync $vg $lv1
 lvconvert -m-1 $vg/$lv1 "$dev1"
 check mirror_images_on $lv1 "$dev2" "$dev4"
 lvconvert -m-1 $vg/$lv1 "$dev2"
 check linear $vg $lv1
 check lv_on $vg $lv1 "$dev4"
 lvremove -ff $vg

 # FIXME: lots of unneeded extents here for log - it needs to be at least region_size in size
 # No parallel lvconverts on a single LV please

 lvcreate -aey -Zn -Wn -l8 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:0-8"
 check mirror $vg $lv1
 check mirror_legs $vg $lv1 2

 offset=$(get first_extent_sector "$dev4")
 offset=$(( offset + 2 ))
 aux delay_dev "$dev4" 0 2000 ${offset}:
 LVM_TEST_TAG="kill_me_$PREFIX" lvconvert -m+1 -b $vg/$lv1 "$dev4"

 # Next convert should fail b/c we can't have 2 at once
 should not lvconvert -m+1 $vg/$lv1 "$dev5"
 aux enable_dev "$dev4"
 should lvconvert $vg/$lv1 # wait
 lvconvert -m2 $vg/$lv1 # In case the above "should" actually failed

 check mirror $vg $lv1 "$dev3"
 check mirror_no_temporaries $vg $lv1
 check mirror_legs $vg $lv1 3
 lvremove -ff $vg

 # add 1 mirror to core log mirror, but
 #  implicitly keep log as 'core'
 lvcreate -aey -l2 --type mirror -m1 --mirrorlog core -n $lv1 $vg "$dev1" "$dev2"
 lvconvert -m +1 -i1 $vg/$lv1

 check mirror $vg $lv1 core
 check mirror_no_temporaries $vg $lv1
 check mirror_legs $vg $lv1 3
 lvremove -ff $vg

 # remove 1 mirror from corelog'ed mirror; should retain 'core' log type
 lvcreate -aey -l2 --type mirror -m2 --corelog -n $lv1 $vg
 lvconvert -m -1 -i1 $vg/$lv1

 check mirror $vg $lv1 core
 check mirror_no_temporaries $vg $lv1
 check mirror_legs $vg $lv1 2
 lvremove -ff $vg

 # add 1 mirror then add 1 more mirror during conversion
 # FIXME this has been explicitly forbidden?
 #lvcreate -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3":0
 #lvconvert -m+1 -b $vg/$lv1 "$dev4"
 #lvconvert -m+1 $vg/$lv1 "$dev5"
 #
 #check mirror $vg $lv1 "$dev3"
 #check mirror_no_temporaries $vg $lv1
 #check mirror_legs $vg $lv1 4
 #lvremove -ff $vg

 # convert inactive mirror and start polling
 lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:$DEVRANGE"
 lvchange -an $vg/$lv1
 lvconvert -m+1 $vg/$lv1 "$dev4"
 lvchange -aey $vg/$lv1
 should lvconvert $vg/$lv1 # wait
 check mirror $vg $lv1 "$dev3"
 check mirror_no_temporaries $vg $lv1
 lvremove -ff $vg

 # ---------------------------------------------------------------------
 # removal during conversion

 # "remove newly added mirror"
 lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:$DEVRANGE"
 LVM_TEST_TAG="kill_me_$PREFIX" lvconvert -m+1 -b $vg/$lv1 "$dev4"
 lvconvert -m-1 $vg/$lv1 "$dev4"
 should lvconvert $vg/$lv1 # wait

 check mirror $vg $lv1 "$dev3"
 check mirror_no_temporaries $vg $lv1
 check mirror_legs $vg $lv1 2
 lvremove -ff $vg

 # "remove one of newly added mirrors"
 lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:$DEVRANGE"
 LVM_TEST_TAG="kill_me_$PREFIX" lvconvert -m+2 -b $vg/$lv1 "$dev4" "$dev5"
 lvconvert -m-1 $vg/$lv1 "$dev4"
 should lvconvert $vg/$lv1 # wait

 check mirror $vg $lv1 "$dev3"
 check mirror_no_temporaries $vg $lv1
 check mirror_legs $vg $lv1 3
 lvremove -ff $vg

 # "remove from original mirror (the original is still mirror)"
 lvcreate -aey -l2 --type mirror -m2 -n $lv1 $vg "$dev1" "$dev2" "$dev5" "$dev3:$DEVRANGE"
 LVM_TEST_TAG="kill_me_$PREFIX" lvconvert -m+1 -b $vg/$lv1 "$dev4"
 # FIXME: Extra wait here for mirror upconvert synchronization
 # otherwise we may fail her on parallel upconvert and downconvert
 # lvconvert-mirror-updown.sh tests this errornous case separately
 should lvconvert $vg/$lv1
 lvconvert -m-1 $vg/$lv1 "$dev2"
 should lvconvert $vg/$lv1

 check mirror $vg $lv1 "$dev3"
 check mirror_no_temporaries $vg $lv1
 check mirror_legs $vg $lv1 3
 lvremove -ff $vg

 # "remove from original mirror (the original becomes linear)"
 lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:$DEVRANGE"
 LVM_TEST_TAG="kill_me_$PREFIX" lvconvert -m+1 -b $vg/$lv1 "$dev4"
 # FIXME: Extra wait here for mirror upconvert synchronization
 # otherwise we may fail her on parallel upconvert and downconvert
 # lvconvert-mirror-updown.sh tests this errornous case separately
 should lvconvert $vg/$lv1
 lvconvert -m-1 $vg/$lv1 "$dev2"
 should lvconvert $vg/$lv1

 check mirror $vg $lv1 "$dev3"
 check mirror_no_temporaries $vg $lv1
 check mirror_legs $vg $lv1 2
 lvremove -ff $vg

 # ---------------------------------------------------------------------

 # "rhbz440405: lvconvert -m0 incorrectly fails if all PEs allocated"
 lvcreate -aey -l$(pvs --noheadings -ope_count "$dev1") --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:$DEVRANGE"
 aux wait_for_sync $vg $lv1
 lvconvert -m0 $vg/$lv1 "$dev1"
 check linear $vg $lv1
 lvremove -ff $vg

 # "rhbz264241: lvm mirror doesn't lose it's "M" --nosync attribute
 # after being down and the up converted"
 lvcreate -aey -l2 --type mirror -m1 -n $lv1 --nosync $vg
 lvconvert -m0 $vg/$lv1
 lvconvert --type mirror -m1 $vg/$lv1
 lvs --noheadings -o attr $vg/$lv1 | grep '^[[:space:]]*m'
 lvremove -ff $vg

 # lvconvert from linear (on multiple PVs) to mirror
 lvcreate -aey -l 8 -n $lv1 $vg "$dev1:0-3" "$dev2:0-3"
 lvconvert --type mirror -vvvv -m1 $vg/$lv1

 should check mirror $vg $lv1
 check mirror_legs $vg $lv1 2
 lvremove -ff $vg

 # BZ 463272: disk log mirror convert option is lost if downconvert option is also given
 lvcreate -aey -l1 --type mirror -m2 --corelog -n $lv1 $vg "$dev1" "$dev2" "$dev3"
 aux wait_for_sync $vg $lv1
 lvconvert --type mirror -m1 --mirrorlog disk $vg/$lv1
 check mirror $vg $lv1
 not check mirror $vg $lv1 core
 lvremove -ff $vg

 # ---
 # add mirror and disk log

 # "add 1 mirror and disk log"
 lvcreate -aey -l2 --type mirror -m1 --mirrorlog core -n $lv1 $vg "$dev1" "$dev2"

 # FIXME on next line, specifying $dev3:0 $dev4 (i.e log device first) fails (!)
 lvconvert -m+1 --mirrorlog disk -i1 $vg/$lv1 "$dev4" "$dev3:$DEVRANGE"

 check mirror $vg $lv1 "$dev3"
 check mirror_no_temporaries $vg $lv1
 check mirror_legs $vg $lv1 3
 lvremove -ff $vg

 # simple mirrored stripe
 lvcreate -aey -i2 -l10 -n $lv1 $vg
 lvconvert --type mirror -m1 -i1 $vg/$lv1
 lvreduce -f -l1 $vg/$lv1
 lvextend -f -l10 $vg/$lv1
 lvremove -ff $vg/$lv1

 # extents must be divisible
 lvcreate -aey -l15 -n $lv1 $vg
 not lvconvert --type mirror -m1 --corelog --stripes 2 $vg/$lv1
 lvremove -ff $vg

 test -e LOCAL_CLVMD && exit 0

 # FIXME - cases which needs to be fixed to work in cluster
 # Linear to mirror with mirrored log using --alloc anywhere
 lvcreate -aey -l2 -n $lv1 $vg "$dev1"
 lvconvert --type mirror -m +1 --mirrorlog mirrored --alloc anywhere $vg/$lv1 "$dev1" "$dev2"
 should check mirror $vg $lv1
 lvremove -ff $vg

 # Should not be able to add images to --nosync mirror
 # but should be able to after 'lvchange --resync'
 lvcreate -aey --type mirror -m 1 -l1 -n $lv1 $vg --nosync
 not lvconvert -m +1 $vg/$lv1
 lvchange -aey --resync -y $vg/$lv1
 lvconvert -m +1 $vg/$lv1
 lvremove -ff $vg

 lvcreate -aey --type mirror -m 1 --corelog -l1 -n $lv1 $vg --nosync
 not lvconvert -m +1 $vg/$lv1
 lvchange -aey --resync -y $vg/$lv1
 lvconvert -m +1 $vg/$lv1
 lvremove -ff $vg

 # FIXME: Cluster exclusive activation does not work here
 # unsure why  lib/metadata/mirror.c
 # has this code:
 #
 #       } else if (vg_is_clustered(vg)) {
 #                log_error("Unable to convert the log of an inactive "
 #                          "cluster mirror, %s", lv->name);
 #                return 0;
 # disabling this in the code passes this test

 # bz192865: lvconvert log of an inactive mirror lv
 # convert from disklog to corelog, inactive
 lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:0-1"
 lvchange -an $vg/$lv1
 lvconvert -y -f --mirrorlog core $vg/$lv1
 check mirror $vg $lv1 core
 lvremove -ff $vg

 # convert from corelog to disklog, inactive
 lvcreate -aey -l2 --type mirror -m1 --mirrorlog core -n $lv1 $vg "$dev1" "$dev2"
 lvchange -an $vg/$lv1
 lvconvert --mirrorlog disk $vg/$lv1 "$dev3:0-1"
 check mirror $vg $lv1 "$dev3"
 lvremove -ff $vg

 # bz1272175: check lvconvert reports progress while waiting for mirror
 # to get synced
 lvcreate -l2 -n $lv1 $vg
 lvconvert --type mirror -i1 -m1 $vg/$lv1 | tee out
 grep -e "$vg/$lv1: Converted:" out || die "Missing sync info in foreground mode"
 lvremove -ff $vg

 vgremove -ff $vg
	#!/bin/sh
	# Copyright (C) 2010-2015 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

	SKIP_WITH_LVMLOCKD=1

	# disable lvmetad logging as it bogs down test systems
	export LVM_TEST_LVMETAD_DEBUG_OPTS=${LVM_TEST_LVMETAD_DEBUG_OPTS-}

	. lib/inittest

	aux prepare_pvs 5 20
	# proper DEVRANGE needs to be set according to extent size
	DEVRANGE="0-32"
	vgcreate -s 32k $vg $(cat DEVICES)

	# convert from linear to 2-way mirror ("mirror" default type)
	lvcreate -aey -l2 -n $lv1 $vg "$dev1"
	lvconvert -i1 -m+1 $vg/$lv1 "$dev2" "$dev3:0-1" \
	--config 'global { mirror_segtype_default = "mirror" }'
	lvs --noheadings -o attr $vg/$lv1 \| grep '^[[:space:]]*m'
	lvremove -ff $vg

	# convert from linear to 2-way mirror (override "raid1" default type)
	lvcreate -aey -l2 -n $lv1 $vg "$dev1"
	lvconvert -i1 --type mirror -m+1 $vg/$lv1 "$dev2" "$dev3:0-1" \
	--config 'global { mirror_segtype_default = "raid1" }'
	lvs --noheadings -o attr $vg/$lv1 \| grep '^[[:space:]]*m'
	lvremove -ff $vg

	# convert from linear to 2-way mirror - with tags and volume_list (bz683270)
	lvcreate -aey -l2 -n $lv1 $vg --addtag hello
	lvconvert -i1 --type mirror -m+1 $vg/$lv1 \
	--config 'activation { volume_list = [ "@hello" ] }'
	lvremove -ff $vg

	# convert from 2-way to 3-way mirror - with tags and volume_list (bz683270)
	lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg --addtag hello
	lvconvert -i1 -m+1 $vg/$lv1 \
	--config 'activation { volume_list = [ "@hello" ] }'
	lvremove -ff $vg

	# convert from 2-way mirror to linear
	lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:0-1"
	lvconvert -m-1 $vg/$lv1
	check linear $vg $lv1
	lvremove -ff $vg
	# and now try removing a specific leg (bz453643)
	lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:0-1"
	lvconvert -m0 $vg/$lv1 "$dev2"
	check lv_on $vg $lv1 "$dev1"
	lvremove -ff $vg

	# convert from disklog to corelog, active
	lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:0-1"
	lvconvert -f --mirrorlog core $vg/$lv1
	check mirror $vg $lv1 core
	lvremove -ff $vg

	# convert from corelog to disklog, active
	lvcreate -aey -l2 --type mirror -m1 --mirrorlog core -n $lv1 $vg "$dev1" "$dev2"
	lvconvert --mirrorlog disk $vg/$lv1 "$dev3:0-1"
	check mirror $vg $lv1 "$dev3"
	lvremove -ff $vg

	# convert linear to 2-way mirror with 1 PV
	lvcreate -aey -l2 -n $lv1 $vg "$dev1"
	not lvconvert -m+1 --mirrorlog core $vg/$lv1 "$dev1"
	lvremove -ff $vg

	# Start w/ 3-way mirror
	# Test pulling primary image before mirror in-sync (should fail)
	# Test pulling primary image after mirror in-sync (should work)
	# Test that the correct devices remain in the mirror
	offset=$(get first_extent_sector "$dev2")
	offset=$(( offset + 2 ))
	# put 1 single slowing delayed sector
	# update in case mirror ever gets faster and allows parallel read
	aux delay_dev "$dev2" 0 2000 ${offset}:1
	lvcreate -aey -l5 -Zn -Wn --type mirror --regionsize 16K -m2 -n $lv1 $vg "$dev1" "$dev2" "$dev4" "$dev3:$DEVRANGE"
	# FIXME: add a new explicit option to define the polling behavior
	# done here with 'lvconvert vg/lv'. That option can specify
	# that the command succeeds even if the LV doesn't need polling.
	should not lvconvert -m-1 $vg/$lv1 "$dev1"
	aux enable_dev "$dev2"
	should lvconvert $vg/$lv1 # wait
	lvconvert -m2 $vg/$lv1 "$dev1" "$dev2" "$dev4" "$dev3:0" # If the above "should" failed...

	aux wait_for_sync $vg $lv1
	lvconvert -m-1 $vg/$lv1 "$dev1"
	check mirror_images_on $lv1 "$dev2" "$dev4"
	lvconvert -m-1 $vg/$lv1 "$dev2"
	check linear $vg $lv1
	check lv_on $vg $lv1 "$dev4"
	lvremove -ff $vg

	# FIXME: lots of unneeded extents here for log - it needs to be at least region_size in size
	# No parallel lvconverts on a single LV please

	lvcreate -aey -Zn -Wn -l8 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:0-8"
	check mirror $vg $lv1
	check mirror_legs $vg $lv1 2

	offset=$(get first_extent_sector "$dev4")
	offset=$(( offset + 2 ))
	aux delay_dev "$dev4" 0 2000 ${offset}:
	LVM_TEST_TAG="kill_me_$PREFIX" lvconvert -m+1 -b $vg/$lv1 "$dev4"

	# Next convert should fail b/c we can't have 2 at once
	should not lvconvert -m+1 $vg/$lv1 "$dev5"
	aux enable_dev "$dev4"
	should lvconvert $vg/$lv1 # wait
	lvconvert -m2 $vg/$lv1 # In case the above "should" actually failed

	check mirror $vg $lv1 "$dev3"
	check mirror_no_temporaries $vg $lv1
	check mirror_legs $vg $lv1 3
	lvremove -ff $vg

	# add 1 mirror to core log mirror, but
	# implicitly keep log as 'core'
	lvcreate -aey -l2 --type mirror -m1 --mirrorlog core -n $lv1 $vg "$dev1" "$dev2"
	lvconvert -m +1 -i1 $vg/$lv1

	check mirror $vg $lv1 core
	check mirror_no_temporaries $vg $lv1
	check mirror_legs $vg $lv1 3
	lvremove -ff $vg

	# remove 1 mirror from corelog'ed mirror; should retain 'core' log type
	lvcreate -aey -l2 --type mirror -m2 --corelog -n $lv1 $vg
	lvconvert -m -1 -i1 $vg/$lv1

	check mirror $vg $lv1 core
	check mirror_no_temporaries $vg $lv1
	check mirror_legs $vg $lv1 2
	lvremove -ff $vg

	# add 1 mirror then add 1 more mirror during conversion
	# FIXME this has been explicitly forbidden?
	#lvcreate -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3":0
	#lvconvert -m+1 -b $vg/$lv1 "$dev4"
	#lvconvert -m+1 $vg/$lv1 "$dev5"
	#
	#check mirror $vg $lv1 "$dev3"
	#check mirror_no_temporaries $vg $lv1
	#check mirror_legs $vg $lv1 4
	#lvremove -ff $vg

	# convert inactive mirror and start polling
	lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:$DEVRANGE"
	lvchange -an $vg/$lv1
	lvconvert -m+1 $vg/$lv1 "$dev4"
	lvchange -aey $vg/$lv1
	should lvconvert $vg/$lv1 # wait
	check mirror $vg $lv1 "$dev3"
	check mirror_no_temporaries $vg $lv1
	lvremove -ff $vg

	# ---------------------------------------------------------------------
	# removal during conversion

	# "remove newly added mirror"
	lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:$DEVRANGE"
	LVM_TEST_TAG="kill_me_$PREFIX" lvconvert -m+1 -b $vg/$lv1 "$dev4"
	lvconvert -m-1 $vg/$lv1 "$dev4"
	should lvconvert $vg/$lv1 # wait

	check mirror $vg $lv1 "$dev3"
	check mirror_no_temporaries $vg $lv1
	check mirror_legs $vg $lv1 2
	lvremove -ff $vg

	# "remove one of newly added mirrors"
	lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:$DEVRANGE"
	LVM_TEST_TAG="kill_me_$PREFIX" lvconvert -m+2 -b $vg/$lv1 "$dev4" "$dev5"
	lvconvert -m-1 $vg/$lv1 "$dev4"
	should lvconvert $vg/$lv1 # wait

	check mirror $vg $lv1 "$dev3"
	check mirror_no_temporaries $vg $lv1
	check mirror_legs $vg $lv1 3
	lvremove -ff $vg

	# "remove from original mirror (the original is still mirror)"
	lvcreate -aey -l2 --type mirror -m2 -n $lv1 $vg "$dev1" "$dev2" "$dev5" "$dev3:$DEVRANGE"
	LVM_TEST_TAG="kill_me_$PREFIX" lvconvert -m+1 -b $vg/$lv1 "$dev4"
	# FIXME: Extra wait here for mirror upconvert synchronization
	# otherwise we may fail her on parallel upconvert and downconvert
	# lvconvert-mirror-updown.sh tests this errornous case separately
	should lvconvert $vg/$lv1
	lvconvert -m-1 $vg/$lv1 "$dev2"
	should lvconvert $vg/$lv1

	check mirror $vg $lv1 "$dev3"
	check mirror_no_temporaries $vg $lv1
	check mirror_legs $vg $lv1 3
	lvremove -ff $vg

	# "remove from original mirror (the original becomes linear)"
	lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:$DEVRANGE"
	LVM_TEST_TAG="kill_me_$PREFIX" lvconvert -m+1 -b $vg/$lv1 "$dev4"
	# FIXME: Extra wait here for mirror upconvert synchronization
	# otherwise we may fail her on parallel upconvert and downconvert
	# lvconvert-mirror-updown.sh tests this errornous case separately
	should lvconvert $vg/$lv1
	lvconvert -m-1 $vg/$lv1 "$dev2"
	should lvconvert $vg/$lv1

	check mirror $vg $lv1 "$dev3"
	check mirror_no_temporaries $vg $lv1
	check mirror_legs $vg $lv1 2
	lvremove -ff $vg

	# ---------------------------------------------------------------------

	# "rhbz440405: lvconvert -m0 incorrectly fails if all PEs allocated"
	lvcreate -aey -l$(pvs --noheadings -ope_count "$dev1") --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:$DEVRANGE"
	aux wait_for_sync $vg $lv1
	lvconvert -m0 $vg/$lv1 "$dev1"
	check linear $vg $lv1
	lvremove -ff $vg

	# "rhbz264241: lvm mirror doesn't lose it's "M" --nosync attribute
	# after being down and the up converted"
	lvcreate -aey -l2 --type mirror -m1 -n $lv1 --nosync $vg
	lvconvert -m0 $vg/$lv1
	lvconvert --type mirror -m1 $vg/$lv1
	lvs --noheadings -o attr $vg/$lv1 \| grep '^[[:space:]]*m'
	lvremove -ff $vg

	# lvconvert from linear (on multiple PVs) to mirror
	lvcreate -aey -l 8 -n $lv1 $vg "$dev1:0-3" "$dev2:0-3"
	lvconvert --type mirror -vvvv -m1 $vg/$lv1

	should check mirror $vg $lv1
	check mirror_legs $vg $lv1 2
	lvremove -ff $vg

	# BZ 463272: disk log mirror convert option is lost if downconvert option is also given
	lvcreate -aey -l1 --type mirror -m2 --corelog -n $lv1 $vg "$dev1" "$dev2" "$dev3"
	aux wait_for_sync $vg $lv1
	lvconvert --type mirror -m1 --mirrorlog disk $vg/$lv1
	check mirror $vg $lv1
	not check mirror $vg $lv1 core
	lvremove -ff $vg

	# ---
	# add mirror and disk log

	# "add 1 mirror and disk log"
	lvcreate -aey -l2 --type mirror -m1 --mirrorlog core -n $lv1 $vg "$dev1" "$dev2"

	# FIXME on next line, specifying $dev3:0 $dev4 (i.e log device first) fails (!)
	lvconvert -m+1 --mirrorlog disk -i1 $vg/$lv1 "$dev4" "$dev3:$DEVRANGE"

	check mirror $vg $lv1 "$dev3"
	check mirror_no_temporaries $vg $lv1
	check mirror_legs $vg $lv1 3
	lvremove -ff $vg

	# simple mirrored stripe
	lvcreate -aey -i2 -l10 -n $lv1 $vg
	lvconvert --type mirror -m1 -i1 $vg/$lv1
	lvreduce -f -l1 $vg/$lv1
	lvextend -f -l10 $vg/$lv1
	lvremove -ff $vg/$lv1

	# extents must be divisible
	lvcreate -aey -l15 -n $lv1 $vg
	not lvconvert --type mirror -m1 --corelog --stripes 2 $vg/$lv1
	lvremove -ff $vg

	test -e LOCAL_CLVMD && exit 0

	# FIXME - cases which needs to be fixed to work in cluster
	# Linear to mirror with mirrored log using --alloc anywhere
	lvcreate -aey -l2 -n $lv1 $vg "$dev1"
	lvconvert --type mirror -m +1 --mirrorlog mirrored --alloc anywhere $vg/$lv1 "$dev1" "$dev2"
	should check mirror $vg $lv1
	lvremove -ff $vg

	# Should not be able to add images to --nosync mirror
	# but should be able to after 'lvchange --resync'
	lvcreate -aey --type mirror -m 1 -l1 -n $lv1 $vg --nosync
	not lvconvert -m +1 $vg/$lv1
	lvchange -aey --resync -y $vg/$lv1
	lvconvert -m +1 $vg/$lv1
	lvremove -ff $vg

	lvcreate -aey --type mirror -m 1 --corelog -l1 -n $lv1 $vg --nosync
	not lvconvert -m +1 $vg/$lv1
	lvchange -aey --resync -y $vg/$lv1
	lvconvert -m +1 $vg/$lv1
	lvremove -ff $vg

	# FIXME: Cluster exclusive activation does not work here
	# unsure why lib/metadata/mirror.c
	# has this code:
	#
	# } else if (vg_is_clustered(vg)) {
	# log_error("Unable to convert the log of an inactive "
	# "cluster mirror, %s", lv->name);
	# return 0;
	# disabling this in the code passes this test

	# bz192865: lvconvert log of an inactive mirror lv
	# convert from disklog to corelog, inactive
	lvcreate -aey -l2 --type mirror -m1 -n $lv1 $vg "$dev1" "$dev2" "$dev3:0-1"
	lvchange -an $vg/$lv1
	lvconvert -y -f --mirrorlog core $vg/$lv1
	check mirror $vg $lv1 core
	lvremove -ff $vg

	# convert from corelog to disklog, inactive
	lvcreate -aey -l2 --type mirror -m1 --mirrorlog core -n $lv1 $vg "$dev1" "$dev2"
	lvchange -an $vg/$lv1
	lvconvert --mirrorlog disk $vg/$lv1 "$dev3:0-1"
	check mirror $vg $lv1 "$dev3"
	lvremove -ff $vg

	# bz1272175: check lvconvert reports progress while waiting for mirror
	# to get synced
	lvcreate -l2 -n $lv1 $vg
	lvconvert --type mirror -i1 -m1 $vg/$lv1 \| tee out
	grep -e "$vg/$lv1: Converted:" out \|\| die "Missing sync info in foreground mode"
	lvremove -ff $vg

	vgremove -ff $vg