1# Copyright (C) 2009 Red Hat, Inc. All rights reserved. 2# 3# This file is part of LVM2. 4 5# Udev rules for LVM. 6# 7# These rules create symlinks for LVM logical volumes in 8# /dev/VG directory (VG is an actual VG name). Some udev 9# environment variables are set (they can be used in later 10# rules as well): 11# DM_LV_NAME - logical volume name 12# DM_VG_NAME - volume group name 13# DM_LV_LAYER - logical volume layer (blank if not set) 14 15# "add" event is processed on coldplug only! 16ACTION!="add|change", GOTO="lvm_end" 17ENV{DM_UDEV_RULES_VSN}!="?*", GOTO="lvm_end" 18ENV{DM_UUID}!="LVM-?*", GOTO="lvm_end" 19ENV{DM_UDEV_DISABLE_SUBSYSTEM_RULES_FLAG}=="1", GOTO="lvm_end" 20 21# Use DM name and split it up into its VG/LV/layer constituents. 22IMPORT{program}="$env{DM_SBIN_PATH}/dmsetup splitname --nameprefixes --noheadings --rows $env{DM_NAME}" 23 24# Do not create symlinks for inappropriate subdevices. 25ENV{DM_LV_NAME}=="?*_mimage_[0-9]*|pvmove?*|?*_vorigin", GOTO="lvm_disable" 26ENV{DM_LV_LAYER}=="?*", GOTO="lvm_disable" 27 28# Create symlinks for top-level devices only. 29ENV{DM_VG_NAME}=="?*", ENV{DM_LV_NAME}=="?*", SYMLINK+="$env{DM_VG_NAME}/$env{DM_LV_NAME}", GOTO="lvm_end" 30 31LABEL="lvm_disable" 32ENV{DM_UDEV_DISABLE_DISK_RULES_FLAG}="1" 33ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}="1" 34 35LABEL="lvm_end" 36