mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-21 13:34:40 +03:00
6e6d4c62b3
We automatically ignore these devs, when lvm2 create devs, whoever when lvm2 database is dropped or someone just created these devs with such formated UUID, there is no other informantion then to check DM UUID.
53 lines
2.1 KiB
Plaintext
53 lines
2.1 KiB
Plaintext
# Copyright (C) 2009 Red Hat, Inc. All rights reserved.
|
|
#
|
|
# This file is part of LVM2.
|
|
|
|
# Udev rules for LVM.
|
|
#
|
|
# These rules create symlinks for LVM logical volumes in
|
|
# /dev/VG directory (VG is an actual VG name). Some udev
|
|
# environment variables are set (they can be used in later
|
|
# rules as well):
|
|
# DM_LV_NAME - logical volume name
|
|
# DM_VG_NAME - volume group name
|
|
# DM_LV_LAYER - logical volume layer (blank if not set)
|
|
|
|
# "add" event is processed on coldplug only!
|
|
ACTION=="remove", GOTO="lvm_end"
|
|
ENV{DM_UDEV_RULES_VSN}!="?*", GOTO="lvm_end"
|
|
ENV{DM_UUID}!="LVM-?*", GOTO="lvm_end"
|
|
|
|
# Use DM name and split it up into its VG/LV/layer constituents.
|
|
IMPORT{program}="(DM_EXEC)/dmsetup splitname --nameprefixes --noheadings --rows $env{DM_NAME}"
|
|
|
|
# DM_SUBSYSTEM_UDEV_FLAG0 is the 'NOSCAN' flag for LVM subsystem.
|
|
# This flag is used to temporarily disable selected rules to prevent any
|
|
# processing or scanning done on the LVM volume before LVM has any chance
|
|
# to zero any stale metadata found within the LV data area. Such stale
|
|
# metadata could cause false claim of the LV device, keeping it open etc.
|
|
#
|
|
# If the NOSCAN flag is present, set DM_UDEV_DISABLE_OTHER_RULES_FLAG
|
|
# so those selected rules are surely skipped.
|
|
# We don't need to save and restore the previous of DM_UDEV_DISABLE_OTHER_RULES_FLAG,
|
|
# that's taken care of in 10-dm.rules.
|
|
ENV{DM_SUBSYSTEM_UDEV_FLAG0}=="1", ENV{.DM_NOSCAN}="1", ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}="1"
|
|
|
|
ENV{DM_UDEV_DISABLE_SUBSYSTEM_RULES_FLAG}=="1", GOTO="lvm_end"
|
|
|
|
# Ignore private devices - the ones having any suffix in DM_UUID. Both in udev rules and in systemd.
|
|
ENV{DM_UUID}=="LVM-?*-?*", ENV{SYSTEMD_READY}="0", GOTO="lvm_disable"
|
|
|
|
# Do not create symlinks for inappropriate subdevices.
|
|
ENV{DM_LV_NAME}=="pvmove?*|?*_vorigin", GOTO="lvm_disable"
|
|
ENV{DM_LV_LAYER}=="?*", GOTO="lvm_disable"
|
|
|
|
# Create symlinks for top-level devices only.
|
|
ENV{DM_VG_NAME}=="?*", ENV{DM_LV_NAME}=="?*", SYMLINK+="$env{DM_VG_NAME}/$env{DM_LV_NAME}", GOTO="lvm_end"
|
|
|
|
LABEL="lvm_disable"
|
|
ENV{DM_UDEV_DISABLE_DISK_RULES_FLAG}="1"
|
|
ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}="1"
|
|
OPTIONS:="nowatch"
|
|
|
|
LABEL="lvm_end"
|