1 # This is a basic configuration file with some examples, for device mapper
3 # For a complete list of the default configuration values, see
4 # /usr/share/doc/device-mapper-multipath-0.4.9/multipath.conf.defaults
5 # For a list of configuration options with descriptions, see
6 # /usr/share/doc/device-mapper-multipath-0.4.9/multipath.conf.annotated
8 ## By default, devices with vendor = "IBM" and product = "S/390.*" are
9 ## blacklisted. To enable mulitpathing on these devies, uncomment the
11 #blacklist_exceptions {
18 ## Use user friendly names, instead of using WWIDs as names.
20 user_friendly_names yes
23 ## Here is an example of how to configure some standard options.
29 # selector "round-robin 0"
30 # path_grouping_policy multibus
31 # getuid_callout "/lib/udev/scsi_id --whitelisted --device=/dev/%n"
33 # path_checker readsector0
36 # rr_weight priorities
39 # user_friendly_names yes
42 ## The wwid line in the following blacklist section is shown as an example
43 ## of how to blacklist devices by wwid. The 2 devnode lines are the
44 ## compiled in default blacklist. If you want to blacklist entire types
45 ## of devices, such as all scsi devices, you should use a devnode line.
46 ## However, if you want to blacklist specific devices, you should use
47 ## a wwid line. Since there is no guarantee that a specific device will
48 ## not change names on reboot (from /dev/sda to /dev/sdb for example)
49 ## devnode lines are not recommended for blacklisting specific devices.
52 # wwid 26353900f02796769
53 # devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"
58 # wwid 3600508b4000156d700012000000b0000
60 # path_grouping_policy multibus
61 # path_checker readsector0
62 # path_selector "round-robin 0"
64 # rr_weight priorities
68 # wwid 1DEC_____321816758474
75 # product "HSV110 (C)COMPAQ"
76 # path_grouping_policy multibus
77 # getuid_callout "/lib/udev/scsi_id --whitelisted --device=/dev/%n"
78 # path_checker readsector0
79 # path_selector "round-robin 0"
80 # hardware_handler "0"
82 # rr_weight priorities
88 # path_grouping_policy multibus