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#!/bin/bash
# Copyright (C) 2016 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
# test presence of various thin-pool/thin flags
SKIP_WITH_LVMLOCKD=1
SKIP_WITH_LVMPOLLD=1
export LVM_TEST_THIN_REPAIR_CMD=${LVM_TEST_THIN_REPAIR_CMD-/bin/false}
. lib/inittest
#
# Main
#
aux have_thin 1 3 0 || skip
aux thin_pool_error_works_32 || skip
aux prepare_vg 2 256
###############################################
# Testing failing thin-pool metadata device #
###############################################
lvcreate -T -L1M --errorwhenfull y $vg/pool
lvcreate -V2 -n $lv2 $vg/pool
aux error_dev "$dev2" 2054:2
# Check our 'lvs' is not flushing pool - should be still OK
check lv_attr_bit health $vg/pool "-"
# Enforce flush on thin pool device to notice error device.
dmsetup status $vg-pool-tpool
check lv_attr_bit health $vg/pool "F"
check lv_attr_bit health $vg/$lv2 "F"
aux enable_dev "$dev2"
lvchange -an $vg
# Overfill data area
lvchange -ay $vg
dd if=/dev/zero of="$DM_DEV_DIR/mapper/$vg-$lv2" bs=1M count=2
check lv_attr_bit health $vg/pool "D"
# TODO use spaces ??
check lv_field $vg/pool lv_health_status "out_of_data"
lvremove -ff $vg
#######################################################
# Testing what happens on system without thin-check #
#######################################################
lvcreate -L200M --errorwhenfull y -T $vg/pool
lvcreate -V2 -n $lv2 $vg/pool
lvchange -an $vg
# Drop usage of thin_check
aux lvmconf 'global/thin_check_executable = ""'
# Prepare some fake metadata prefilled to ~100%
lvcreate -L2 -n $lv1 $vg # tmp for metadata
aux prepare_thin_metadata 490 1 | tee data
"$LVM_TEST_THIN_RESTORE_CMD" -i data -o "$DM_DEV_DIR/mapper/$vg-$lv1"
# Swap volume with restored fake metadata
lvconvert -y --thinpool $vg/pool --poolmetadata $vg/$lv1
lvchange -ay $vg
lvchange -ay $vg/$lv2
# Provisiong and last free bits in metadata
dd if=/dev/zero of="$DM_DEV_DIR/mapper/$vg-$lv2" bs=32K count=1
check lv_attr_bit health $vg/pool "M"
# TODO - use spaces ??
check lv_field $vg/pool lv_health_status "metadata_read_only"
check lv_attr_bit health $vg/$lv2 "-"
# needs_check needs newer version
if aux have_thin 1 16 0 ; then
check lv_attr_bit state $vg/pool "c"
check lv_field $vg/pool lv_check_needed "check needed"
dmsetup suspend $vg-pool-tpool
# suspended thin-pool with Capital 'c'
check lv_attr_bit state $vg/pool "C"
dmsetup resume $vg-pool-tpool
lvresize -L+2M $vg/pool_tmeta
# still require thin_check
check lv_attr_bit state $vg/pool "c"
fi
vgremove -ff $vg
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