# This is an example configuration file for device mapper multipath. # For a complete list of the default configuration values, see # /usr/share/doc/device-mapper-multipath-0.4.5/multipath.conf.defaults # For a list of configuration options with descriptions, see # /usr/share/doc/device-mapper-multipath-0.4.5/multipath.conf.annotated # Blacklist all devices by default. Remove this to enable multipathing # on the default devices. #blacklist { # devnode "*" #} ## By default, devices with vendor = "IBM" and product = "S/390.*" are ## blacklisted. To enable mulitpathing on these devies, uncomment the ## following lines. #blacklist_exceptions { # device { # vendor "IBM" # product "S/390.*" # } #} ## Use user friendly names, instead of using WWIDs as names. defaults { user_friendly_names yes } ## ## This is a template multipath-tools configuration file ## Uncomment the lines relevent to your environment ## #defaults { # udev_dir /dev # polling_interval 10 # selector "round-robin 0" # path_grouping_policy multibus # getuid_callout "/sbin/scsi_id -g -u -s /block/%n" # prio_callout /bin/true # path_checker readsector0 # rr_min_io 100 # rr_weight priorities # failback immediate # no_path_retry fail # user_friendly_name yes #} ## ## The wwid line in the following blacklist section is shown as an example ## of how to blacklist devices by wwid. The 3 devnode lines are the ## compiled in default blacklist. If you want to blacklist entire types ## of devices, such as all scsi devices, you should use a devnode line. ## However, if you want to blacklist specific devices, you should use ## a wwid line. Since there is no guarantee that a specific device will ## not change names on reboot (from /dev/sda to /dev/sdb for example) ## devnode lines are not recommended for blacklisting specific devices. ## # blacklist { # # wwid 26353900f02796769 # devnode "^(ram|raw|loop|fd|md|sr|scd|st)[0-9]*" # devnode "^sd[a-z]" #} #multipaths { # multipath { # wwid 3600508b4000156d700012000000b0000 # alias yellow # path_grouping_policy multibus # path_checker readsector0 # path_selector "round-robin 0" # failback manual # rr_weight priorities # no_path_retry 5 # } # multipath { # wwid 1DEC_____321816758474 # alias red # } #} #devices { # device { # vendor "COMPAQ " # product "HSV110 (C)COMPAQ" # path_grouping_policy multibus # getuid_callout "/sbin/scsi_id -g -u -s /block/%n" # path_checker readsector0 # path_selector "round-robin 0" # hardware_handler "0" # failback 15 # rr_weight priorities # no_path_retry queue # } # device { # vendor "COMPAQ " # product "MSA1000 " # path_grouping_policy multibus # } #} devices { device { vendor "NETAPP" product "LUN" getuid_callout "/sbin/scsi_id -g -u -s /block/%n" prio_callout "/sbin/mpath_prio_ontap /dev/%n" features "1 queue_if_no_path" hardware_handler "0" path_grouping_policy group_by_prio failback immediate rr_weight priorities rr_min_io 128 path_checker readsector0 } } multipaths { multipath { wwid 360a98000433466395a4a475448462d59 alias quorum } multipath { wwid 360a98000433466395a4a47544845366c alias xenconfig } multipath { wwid 360a98000433466396b34475447795077 alias bits04 } multipath { wwid 360a98000433466396b34475447793859 alias bits02 } multipath { wwid 360a98000433466395a4a475448436d6c alias bitsdata } multipath { wwid 360a98000433466395a4a475448413959 alias bits07 } multipath { wwid 360a98000433466395a4a4754482d6651 alias bits05 } multipath { wwid 360a98000433466396b344754477a434f alias bits08 } multipath { wwid 360a98000433466395a4a4754482d5345 alias bits03 } multipath { wwid 360a98000433466396b34475447792f35 alias bits06 } multipath { wwid 360a98000433466395a4a4754482d376e alias bits01 } }