dracut/SOURCES/0021.patch

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From f814aed234f5bfb99029b9926a41727cbc68824c Mon Sep 17 00:00:00 2001
From: Tao Liu <ltao@redhat.com>
Date: Fri, 3 Mar 2023 18:27:25 +0800
Subject: [PATCH] fix(lvmthinpool-monitor): activate lvm thin pool before
extend its size
The state of lvm thin pool may change into inactived state when kdump into
2nd kernel. As a result, lvextend will fail to extend its size. For example:
In 1st kernel:
$ lvs
LV VG Attr LSize Pool Origin Data% Meta%
vol vg00 Vwi-a-tz-- 300.00m thinpool 70.54
thinpool vg00 twi-aotz-- 236.00m 89.67 12.50
...
In 2nd kernel:
LV VG Attr LSize Pool Origin Data% Meta%
vol vg00 Vwi-aotz-- 300.00m thinpool 70.54
thinpool vg00 twi---tz-- 236.00m 89.67 12.50
...
And the lvextend failing log:
[ 8.483878] start-thinpool-monitor[590]: lvextend using policy requires the thin pool to be active.
In this patch, we will first activate lvm thin pool before calling lvextend
during kdump.
Signed-off-by: Tao Liu <ltao@redhat.com>
(Cherry-picked commit: 4a6b81378f5c542fa1a94386744b9f4a0cc3e33a)
Resolves: #2175096
---
modules.d/80lvmthinpool-monitor/start-thinpool-monitor.sh | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/modules.d/80lvmthinpool-monitor/start-thinpool-monitor.sh b/modules.d/80lvmthinpool-monitor/start-thinpool-monitor.sh
index 75d8eada..10f4a4bb 100755
--- a/modules.d/80lvmthinpool-monitor/start-thinpool-monitor.sh
+++ b/modules.d/80lvmthinpool-monitor/start-thinpool-monitor.sh
@@ -31,6 +31,12 @@ if [ -n "$THIN_POOLS" ]; then
CONFIG="activation {monitoring=0 thin_pool_autoextend_threshold=70 thin_pool_autoextend_percent=20}"
fi
+ # Activate the thinpool in case the thinpool is in inactive state.
+ # Otherwise lvextend will fail.
+ for THIN_POOL in $THIN_POOLS; do
+ lvm lvchange -ay "$THIN_POOL" --config "$CONFIG"
+ done
+
while true; do
for THIN_POOL in $THIN_POOLS; do
lvm lvextend --use-policies --config "$CONFIG" "$THIN_POOL"