78da9a698d
This is an automated DistroBaker update from upstream sources. If you do not know what this is about or would like to opt out, contact the OSCI team. Source: https://src.fedoraproject.org/rpms/lvm2.git#d2cc5b0434310d77f9ef21e3da5220677753e81e
79 lines
2.5 KiB
Diff
79 lines
2.5 KiB
Diff
test/shell/thin-zero-meta.sh | 68 ++++++++++++++++++++++++++++++++++++++++++++
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1 file changed, 68 insertions(+)
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create mode 100644 test/shell/thin-zero-meta.sh
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diff --git a/test/shell/thin-zero-meta.sh b/test/shell/thin-zero-meta.sh
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new file mode 100644
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index 0000000..6a15a73
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--- /dev/null
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+++ b/test/shell/thin-zero-meta.sh
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@@ -0,0 +1,68 @@
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+#!/usr/bin/env bash
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+
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+# Copyright (C) 2021 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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+
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+# Test how zeroing of thin-pool metadata works
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+
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+SKIP_WITH_LVMLOCKD=1
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+SKIP_WITH_LVMPOLLD=1
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+
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+export LVM_TEST_THIN_REPAIR_CMD=${LVM_TEST_THIN_REPAIR_CMD-/bin/false}
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+
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+. lib/inittest
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+
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+#
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+# Main
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+#
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+aux have_thin 1 3 0 || skip
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+aux have_cache 1 3 0 || skip
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+
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+aux prepare_vg 3 40000
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+
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+# Create mostly-zero devs only front of it has some 'real' back-end
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+aux zero_dev "$dev1" "$(( $(get first_extent_sector "$dev1") + 8192 )):"
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+aux zero_dev "$dev2" "$(( $(get first_extent_sector "$dev2") + 8192 )):"
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+aux zero_dev "$dev3" "$(( $(get first_extent_sector "$dev3") + 8192 )):"
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+
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+# Prepare randomly filled 4M LV on dev2
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+lvcreate -L16G -n $lv1 $vg "$dev2"
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+dd if=/dev/urandom of="$DM_DEV_DIR/$vg/$lv1" bs=1M count=4 oflag=direct || true
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+lvremove -f $vg
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+
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+for i in 0 1
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+do
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+ aux lvmconf "allocation/zero_metadata = $i"
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+
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+ # Lvm2 should allocate metadata on dev2
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+ lvcreate -T -L10G --poolmetadatasize 16G $vg/pool "$dev1" "$dev2"
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+ lvchange -an $vg
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+
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+ lvs -ao+seg_pe_ranges $vg
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+ lvchange -ay $vg/pool_tmeta --yes
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+
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+ # Skip past 1.2M which is 'created' by thin-pool initialization
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+ hexdump -C -n 200 -s 2000000 "$DM_DEV_DIR/$vg/pool_tmeta" | tee out
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+
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+ # When fully zeroed, it should be zero - so almost no output from hexdump
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+ case "$i" in
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+ 0) test $(wc -l < out) -ge 10 ;; # should not be zeroed
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+ 1) test $(wc -l < out) -le 10 ;; # should be zeroed
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+ esac
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+
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+ lvremove -f $vg/pool
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+done
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+
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+# Check lvm2 spots error during full zeroing of metadata device
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+aux error_dev "$dev2" "$(( $(get first_extent_sector "$dev2") + 32 )):"
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+not lvcreate -T -L10G --poolmetadatasize 16G $vg/pool "$dev1" "$dev2" |& tee err
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+grep "Failed to initialize logical volume" err
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+
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+vgremove -ff $vg
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