47 lines
1.6 KiB
Diff
47 lines
1.6 KiB
Diff
From 6ebef9ad80ee156285a61d413b5265de9c0aa2ae Mon Sep 17 00:00:00 2001
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From: Heming Zhao <heming.zhao@suse.com>
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Date: Wed, 21 Apr 2021 11:17:36 +0800
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Subject: [PATCH] Add "nolvm" for kernel cmdline
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This patch is inspried by multipath patch cd3184e107c8 ("Add
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support for "multipath=off" and "nompath" on kernel cmdline")
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This new item for disabling lvm2 startup from kernel command
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line. One of usecases is in rescue mode, disabling lvm2 will
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allow user to enable lvm2 devices by manual.
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Signed-off-by: Heming Zhao <heming.zhao@suse.com>
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2023-09-07:
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The file udev/69-dm-lvm-metad.rules.in has been removed since v2_03_19.
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So remove the change of above file.
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Signed-off-by: Glass Su <glass.su@suse.com>
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---
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diff -Nupr a/scripts/lvm2-pvscan.service.in b/scripts/lvm2-pvscan.service.in
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--- a/scripts/lvm2-pvscan.service.in 2022-09-02 14:05:03.706825230 +0800
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+++ b/scripts/lvm2-pvscan.service.in 2022-09-02 14:04:09.115063287 +0800
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@@ -7,6 +7,7 @@ BindsTo=dev-block-%i.device
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After=multipathd.service
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Before=shutdown.target
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Conflicts=shutdown.target
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+ConditionKernelCommandLine=!nolvm
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[Service]
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Type=oneshot
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diff -Nupr a/udev/69-dm-lvm.rules.in b/udev/69-dm-lvm.rules.in
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--- a/udev/69-dm-lvm.rules.in 2022-09-02 14:04:51.074880312 +0800
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+++ b/udev/69-dm-lvm.rules.in 2022-09-02 14:07:19.978230990 +0800
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@@ -10,6 +10,9 @@ SUBSYSTEM!="block", GOTO="lvm_end"
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ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}=="1", GOTO="lvm_end"
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+IMPORT{cmdline}="nolvm"
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+ENV{nolvm}=="?*", GOTO="lvm_end"
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+
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# Only process devices already marked as a PV - this requires blkid to be called before.
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ENV{ID_FS_TYPE}!="LVM2_member", GOTO="lvm_end"
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ENV{DM_MULTIPATH_DEVICE_PATH}=="1", GOTO="lvm_end"
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