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From 0894f502ad5a89a98a0a88ee739c0c5f516338c2 Mon Sep 17 00:00:00 2001
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From: Yu Watanabe <watanabe.yu+github@gmail.com>
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Date: Wed, 1 Feb 2023 21:25:40 +0900
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Subject: [PATCH] test: add a testcase for lvextend
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For RHBZ#2158628 (https://bugzilla.redhat.com/show_bug.cgi?id=2158628)
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(cherry picked from commit d60e3482613d26e559fc4dc5a56b8edaa765a318)
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Related: #2138081
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---
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test/units/testsuite-64.sh | 20 ++++++++++++++++++++
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1 file changed, 20 insertions(+)
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diff --git a/test/units/testsuite-64.sh b/test/units/testsuite-64.sh
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index c572671c20..4017f61f59 100755
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--- a/test/units/testsuite-64.sh
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+++ b/test/units/testsuite-64.sh
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@@ -425,6 +425,26 @@ testcase_lvm_basic() {
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helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
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helper_check_device_units
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+ # Mount mypart1 through by-label devlink
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+ mkdir -p /tmp/mypart1-mount-point
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+ mount /dev/disk/by-label/mylvpart1 /tmp/mypart1-mount-point
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+ timeout 30 bash -c "while ! systemctl -q is-active /tmp/mypart1-mount-point; do sleep .2; done"
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+ # Extend the partition and check if the device and mount units are still active.
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+ # See https://bugzilla.redhat.com/show_bug.cgi?id=2158628
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+ # Note, the test below may be unstable with LVM2 without the following patch:
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+ # https://github.com/lvmteam/lvm2/pull/105
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+ # But, to reproduce the issue, udevd must start to process the first 'change' uevent
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+ # earlier than extending the volume has been finished, and in most case, the extension
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+ # is hopefully fast.
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+ lvm lvextend -y --size 8M "/dev/$vgroup/mypart1"
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+ udevadm wait --settle --timeout="$timeout" "/dev/disk/by-label/mylvpart1"
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+ timeout 30 bash -c "while ! systemctl -q is-active '/dev/$vgroup/mypart1'; do sleep .2; done"
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+ timeout 30 bash -c "while ! systemctl -q is-active /tmp/mypart1-mount-point; do sleep .2; done"
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+ # Umount the partition, otherwise the underlying device unit will stay in
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+ # the inactive state and not be collected, and helper_check_device_units() will fail.
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+ systemctl show /tmp/mypart1-mount-point
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+ umount /tmp/mypart1-mount-point
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+
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# Rename partitions (see issue #24518)
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lvm lvrename "/dev/$vgroup/mypart1" renamed1
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lvm lvrename "/dev/$vgroup/mypart2" renamed2
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