- # This is a basic configuration file with some examples, for device mapper
- # multipath.
- # For a complete list of the default configuration values, see
- # /usr/share/doc/device-mapper-multipath-0.4.7/multipath.conf.defaults
- # For a list of configuration options with descriptions, see
- # /usr/share/doc/device-mapper-multipath-0.4.7/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 no
- }
- ## some vendor specific modifications
- devices {
- device {
- vendor "DELL"
- product "MD3000i"
- path_grouping_policy group_by_prio
- getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
- path_checker rdac
- prio_callout "/sbin/mpath_prio_rdac /dev/%n"
- hardware_handler "1 rdac"
- failback immediate
- }
- device {
- vendor "HITACHI"
- product "DF600F*"
- path_grouping_policy group_by_prio
- prio_callout "/sbin/mpath_prio_hds_modular %d"
- path_checker readsector0
- getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
- }
- device {
- vendor "HITACHI"
- product "OPEN-*"
- path_grouping_policy multibus
- path_checker readsector0
- getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
- }
- device {
- vendor "HP"
- product "HSV300"
- path_grouping_policy group_by_prio
- getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
- path_checker tur
- path_selector "round-robin 0"
- prio_callout "/sbin/mpath_prio_alua /dev/%n"
- rr_weight uniform
- rr_min_io 100
- failback immediate
- no_path_retry 12
- }
- device {
- vendor "HP"
- product "MSA2312fc|MSA2324fc|MSA2312i|MSA2324i"
- path_grouping_policy group_by_prio
- getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
- path_checker tur
- path_selector "round-robin 0"
- prio_callout "/sbin/mpath_prio_alua /dev/%n"
- rr_weight uniform
- failback immediate
- hardware_handler "0"
- no_path_retry 18
- rr_min_io 100
- }
- device {
- vendor "HP"
- product "OPEN-*"
- path_grouping_policy multibus
- getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
- rr_weight uniform
- rr_min_io 100
- path_checker tur
- failback immediate
- no_path_retry 12
- }
- device {
- vendor "DataCore"
- product "SAN*"
- path_checker tur
- path_grouping_policy failover
- failback 30
- }
- device {
- vendor "IBM"
- product "1723*"
- prio_callout "/sbin/mpath_prio_rdac /dev/%n"
- path_grouping_policy group_by_prio
- failback immediate
- path_checker rdac
- hardware_handler "1 rdac"
- }
- device {
- vendor "IBM"
- product "1815"
- prio_callout "/sbin/mpath_prio_rdac /dev/%n"
- path_grouping_policy group_by_prio
- failback immediate
- path_checker rdac
- hardware_handler "1 rdac"
- }
- device {
- vendor "IBM"
- product "2145"
- path_grouping_policy failover
- path_checker tur
- polling_interval 10
- selector "round-robin 0"
- getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
- prio_callout "/bin/true"
- features "0"
- rr_wmin_io 100
- failback immediate
- }
- device {
- vendor "NETAPP"
- product "LUN"
- path_grouping_policy group_by_prio
- getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
- prio_callout "/sbin/mpath_prio_ontap /dev/%n"
- path_checker directio
- failback immediate
- }
- device {
- vendor "DGC"
- product "*"
- path_grouping_policy group_by_prio
- getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
- prio_callout "/sbin/mpath_prio_emc /dev/%n"
- hardware_handler "1 emc"
- no_path_retry 300
- path_checker emc_clariion
- failback immediate
- }
- device {
- vendor "HP"
- product "MSA2[02]12fc|MSA2012i"
- getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
- hardware_handler "0"
- path_selector "round-robin 0"
- path_grouping_policy multibus
- failback immediate
- rr_weight uniform
- no_path_retry 18
- rr_min_io 100
- path_checker tur
- }
- device {
- vendor "Pillar "
- product "Axiom 600 "
- getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
- prio_callout "/sbin/mpath_prio_alua_pillar %n"
- features "0"
- hardware_handler "0"
- path_grouping_policy group_by_prio
- rr_weight priorities
- rr_min_io 10000
- failback immediate
- path_checker tur
- }
- device {
- vendor "Pillar "
- product "Axiom 500 "
- getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
- prio_callout "/sbin/mpath_prio_alua_pillar %n"
- features "0"
- hardware_handler "0"
- path_grouping_policy group_by_prio
- rr_weight priorities
- rr_min_io 10000
- failback immediate
- path_checker tur
- }
- device {
- vendor "Pillar "
- product "Axiom 300 "
- getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
- prio_callout "/sbin/mpath_prio_alua_pillar %n"
- features "0"
- hardware_handler "0"
- path_grouping_policy group_by_prio
- rr_weight priorities
- rr_min_io 10000
- failback immediate
- path_checker tur
- }
- }
- ##
- ## Here is an example of how to configure some standard options.
- ##
- #
- #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
- # max_fds 8192
- # rr_weight priorities
- # failback immediate
- # no_path_retry fail
- # user_friendly_names yes
- #}
- ##
- ## The wwid line in the following blacklist section is shown as an example
- ## of how to blacklist devices by wwid. The 2 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|dm-|sr|scd|st)[0-9]*"
- # devnode "^hd[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
- # }
- #}