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1 | # Copyright (C) 2009 Red Hat, Inc. All rights reserved. |
2 | # | |
3 | # This file is part of LVM2. | |
4 | ||
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5 | # Udev rules for device-mapper devices. |
6 | # | |
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7 | # These rules set permissions for DM devices. |
8 | # | |
9 | # This file is considered to be a template where users can put their | |
10 | # own entries and then put a copy of it manually to a usual place with | |
11 | # user-edited udev rules (usually /etc/udev/rules.d). | |
12 | # | |
13 | # There are some environment variables set that can be used: | |
f83332a0 | 14 | # DM_UDEV_RULES_VSN - DM udev rules version |
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15 | # DM_NAME - actual DM device's name |
16 | # DM_UUID - UUID set for DM device (blank if not specified) | |
17 | # DM_SUSPENDED - suspended state of DM device (0 or 1) | |
18 | # DM_LV_NAME - logical volume name (not set if LVM device not present) | |
19 | # DM_VG_NAME - volume group name (not set if LVM device not present) | |
20 | # DM_LV_LAYER - logical volume layer (not set if LVM device not present) | |
21 | ||
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22 | # "add" event is processed on coldplug only! |
23 | ACTION!="add|change", GOTO="dm_end" | |
f83332a0 | 24 | ENV{DM_UDEV_RULES_VSN}!="?*", GOTO="dm_end" |
c3fd683f | 25 | |
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26 | # A few demonstrational examples... |
27 | ||
28 | ||
29 | # PLAIN DM DEVICES | |
30 | # | |
31 | # Set permissions for a DM device named 'my_device' exactly | |
32 | # ENV{DM_NAME}=="my_device", OWNER:="root", GROUP:="root", MODE:="660" | |
33 | ||
34 | # Set permissions for all DM devices having 'MY_UUID-' UUID prefix | |
35 | # ENV{DM_UUID}=="MY_UUID-?*", OWNER:="root", GROUP:="root", MODE:="660" | |
36 | ||
37 | ||
38 | # LVM DEVICES | |
39 | # | |
40 | # Set permissions for all LVM devices | |
41 | # ENV{DM_UUID}=="LVM-?*", OWNER:="root", GROUP:="root", MODE:="660" | |
42 | ||
43 | # Set permissions for all devices that belong to one LVM VG | |
44 | # ENV{DM_VG_NAME}=="VolGroup00", OWNER:="root", GROUP:="root", MODE:="660" | |
45 | ||
46 | # Set permissions for an LVM device with VG named VolGroup00 and LV named LogVol00 exactly | |
47 | # ENV{DM_VG_NAME}=="VolGroup00", ENV{DM_LV_NAME}=="LogVol00", OWNER:="root", GROUP:="root", MODE:="660" | |
48 | ||
49 | # Set permissions for all LVM devices that does not belong to a VG named VolGroup00 | |
50 | # ENV{DM_VG_NAME}!="VolGroup00", OWNER:="root", GROUP:="root", MODE:="660" | |
51 | ||
52 | ||
53 | # ENCRYPTED DEVICES (using cryptsetup >= 1.1) | |
54 | # | |
55 | # Set permissions for all encrypted devices created by cryptsetup (plain devices) | |
56 | # ENV{DM_UUID}=="CRYPT-PLAIN-?*", OWNER:="root", GROUP:="root", MODE:="660" | |
57 | ||
58 | # Set permissions for all encrypted devices created by cryptsetup (LUKS extension) | |
59 | # ENV{DM_UUID}=="CRYPT-LUKS1-?*", OWNER:="root", GROUP:="root", MODE:="660" | |
60 | ||
61 | # Set permissions for an encrypted device created by cryptsetup and having an exact luks UUID | |
62 | # ENV{DM_UUID}=="CRYPT-LUKS1-22fce5c8313c43c68d84b50a3b0fee78-?*", OWNER:="root", GROUP:="root", MODE:="660" | |
63 | ||
64 | ||
65 | # MULTIPATH DEVICES | |
66 | # | |
67 | # Set permissions for all multipath devices | |
68 | # ENV{DM_UUID}=="mpath-?*", OWNER:="root", GROUP:="root", MODE:="660" | |
69 | ||
70 | # Set permissions for first two partitions created on a multipath device (and detected by kpartx) | |
71 | # ENV{DM_UUID}=="part[1-2]-mpath-?*", OWNER:="root", GROUP:="root", MODE:="660" | |
72 | ||
73 | ||
74 | # ...you can use any combination of the comparisons with the environment variables | |
75 | # listed at the beginning of this file (udev provides simple pattern matching by | |
76 | # using *, ? and [] that you can use, see 'man udev' for more information). | |
c3fd683f | 77 | |
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78 | # Set default permissions for all DM devices if not set before. |
79 | # OWNER:="root", GROUP:="root", MODE:="660" | |
80 | ||
c3fd683f | 81 | LABEL="dm_end" |