############################ # mpath version: 1.5-7.el6 # with gridge edits for COS # change 0 gridge -ripped out the 9900 stuff,/s2a, # change 1 Added line to default of "verbosity 6" for debugging purposes ONLY.. USE IN QA only # and only when needed !!! # Change 2 added in "devnode "^sda[0-9]*$" " exclusion to keep from stomping on system disk. it only # helps in some situations, for some unknown reason # change 3 Change max_fds from 65535 to 131000 because of large vd count testing # change 4 Add new SFA product SFA12KX-40 but point to 'alua' because the sfa prioritizer checks again.... ############################ # 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-0.4.9/multipath.conf.defaults # For a list of configuration options with descriptions, see # /usr/share/doc/device-mapper-multipath-0.4.9/multipath.conf.annotated ## 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 # change 3 Change max_fds from 65535 to 131000 because of large vd count testing max_fds 131000 checker_timeout 5 # change 1 for debugging purposes in QA # verbosity 6 } ## ## 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 "/lib/udev/scsi_id --whitelisted --device=/dev/%n" # prio alua # 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|sr|scd|st)[0-9]*" # devnode "^hd[a-z]" # Change 2 added in "devnode "^sda[0-9]*$" " exclusion to keep from stomping on system disk. it only # helps in some situations, for some unknown reason devnode "^sda[0-9]*$" ## Black list for DELL internal system drives device { vendor "DELL.*|Dell.*" product "Universal.*|Virtual.*|PERC|VIRTUAL.*" } } #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 "DDN" product "S2A 6620" path_grouping_policy group_by_prio prio alua path_checker tur getuid_callout "/lib/udev/scsi_id --page=0x83 --whitelisted --device=/dev/%n" failback immediate no_path_retry 12 } device { vendor "IBM" product "2851-DR1" path_grouping_policy group_by_prio prio alua path_checker tur getuid_callout "/lib/udev/scsi_id --page=0x83 --whitelisted --device=/dev/%n" failback immediate no_path_retry 12 } device { vendor "SGI" product "DD4A-FC008-6620" path_grouping_policy group_by_prio prio alua path_checker tur getuid_callout "/lib/udev/scsi_id --page=0x83 --whitelisted --device=/dev/%n" failback immediate no_path_retry 12 } device { vendor "DDN" product "SFA 10000" path_grouping_policy group_by_prio getuid_callout "/lib/udev/scsi_id --page=0x83 --whitelisted --device=/dev/%n" path_selector "round-robin 0" path_checker tur prio sfa failback 2 rr_weight uniform no_path_retry 12 dev_loss_tmo 10 fast_io_fail_tmo 5 } device { vendor "SGI" product "DD6A-IS16K-10000" path_grouping_policy group_by_prio getuid_callout "/lib/udev/scsi_id --page=0x83 --whitelisted --device=/dev/%n" path_checker tur prio sfa failback 2 rr_weight uniform no_path_retry 12 dev_loss_tmo 10 fast_io_fail_tmo 5 } device { vendor "DDN" product "SFA12K-20" path_grouping_policy group_by_prio getuid_callout "/lib/udev/scsi_id --page=0x83 --whitelisted --device=/dev/%n" path_selector "round-robin 0" path_checker tur prio alua failback 2 rr_weight uniform no_path_retry 12 dev_loss_tmo 10 fast_io_fail_tmo 5 } device { vendor "DDN" product "SFA12K-40" path_grouping_policy group_by_prio getuid_callout "/lib/udev/scsi_id --page=0x83 --whitelisted --device=/dev/%n" path_selector "round-robin 0" path_checker tur prio sfa failback 2 rr_weight uniform no_path_retry 12 dev_loss_tmo 10 fast_io_fail_tmo 5 } device { vendor "SGI" product "DD6A-IS17K-12000" path_grouping_policy group_by_prio getuid_callout "/lib/udev/scsi_id --page=0x83 --whitelisted --device=/dev/%n" path_checker tur prio sfa failback 2 rr_weight uniform no_path_retry 12 dev_loss_tmo 10 fast_io_fail_tmo 5 } device { vendor "DDN" product "SFA7700" path_grouping_policy group_by_prio getuid_callout "/lib/udev/scsi_id --page=0x83 --whitelisted --device=/dev/%n" path_selector "round-robin 0" path_checker tur prio alua failback 2 rr_weight uniform no_path_retry 12 dev_loss_tmo 10 fast_io_fail_tmo 5 } device { vendor "DDN" product "SFA12KX-40" path_grouping_policy group_by_prio getuid_callout "/lib/udev/scsi_id --page=0x83 --whitelisted --device=/dev/%n" path_selector "round-robin 0" path_checker tur prio alua failback 2 rr_weight uniform no_path_retry 12 dev_loss_tmo 10 fast_io_fail_tmo 5 } }