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From 5a8c5086bf3fc28236436ff3ef27196509f0375d Mon Sep 17 00:00:00 2001
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From: Pavel Cahyna <pcahyna@redhat.com>
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Date: Thu, 24 Aug 2023 11:41:25 +0200
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Subject: [PATCH] Remove the lvmdevices file at the end of recovery
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The file /etc/lvm/devices/system.devices restricts LVM to disks with
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given (hardware) IDs (serial numbers, WWNs). See lvmdevices(8).
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Unfortunately, when restoring to different disks than in the original
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system, it will mean that LVM is broken in the recovered system (it
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won't find any disks). Therefore it is safer to remove the file to
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force the old behavior where LVM scans all disks. This used to be the
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LVM default (use_devicesfile=0).
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---
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.../GNU/Linux/230_remove_lvmdevices.sh | 25 +++++++++++++++++++
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1 file changed, 25 insertions(+)
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create mode 100644 usr/share/rear/finalize/GNU/Linux/230_remove_lvmdevices.sh
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diff --git a/usr/share/rear/finalize/GNU/Linux/230_remove_lvmdevices.sh b/usr/share/rear/finalize/GNU/Linux/230_remove_lvmdevices.sh
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new file mode 100644
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index 0000000000..9392c9f52f
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--- /dev/null
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+++ b/usr/share/rear/finalize/GNU/Linux/230_remove_lvmdevices.sh
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@@ -0,0 +1,25 @@
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+# Adapted from 260_rename_diskbyid.sh
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+
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+# Remove /etc/lvm/devices/system.devices
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+# The file restricts LVM to disks with given (hardware) IDs (serial
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+# numbers, WWNs). See lvmdevices(8).
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+# Unfortunately, when restoring to different disks than in the original
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+# system, it will mean that LVM is broken in the recovered system (it
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+# won't find any disks). Therefore it is safer to remove the file to
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+# force the old behavior where LVM scans all disks. This used to be the
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+# LVM default (use_devicesfile=0).
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+
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+# There may be other files under /etc/lvm/devices, but they are not used
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+# by default
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+
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+local file=/etc/lvm/devices/system.devices
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+local realfile
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+
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+realfile="$TARGET_FS_ROOT/$file"
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+# OK if file not found
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+test -f "$realfile" || return 0
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+mv $v "$realfile" "$realfile.rearbak"
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+LogPrint "Renamed LVM devices file $realfile to $realfile.rearbak
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+to prevent LVM problems in the recovered system, verify that the file
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+is correct after booting the recovered system and move it back, or
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+regenerate it using vgimportdevices."
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