Centos 6.5 Multipath Initial Configuration

# 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 # # Remember:after Updating multipath.conf, you must run## service MULTIPATHD reload## for the changes-take effect in M ultipathd## 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" #prod  UCT "s/390.*" #}#}## use user friendly names, instead of using Wwids as Names.defaults {user_friendly_names yes}#### An example of what to configure some standard options.### #defaults {#udev_dir/dev#polling_interval 10#path_selector "Round -robin 0 "#path_grouping_policymultibus #getuid_callout"/lib/udev/scsi_iD--whitelisted--device=/dev/%n "#prioalua #path_checkerreadsector0#rr_min_io100#max_fds8192#rr_weightpriorities# failbackimmediate#no_path_retryfail#user_friendly_namesyes#}#### the Wwid line in the following blacklist  Shown as an example## on how to blacklist devices by Wwid. The 2 devnode lines is the## compiled in default blacklist.  If you want to blacklist entire types## of devices, such as any SCSI devices, you should use a devnode line.## however, if  You want to blacklist specific devices and you should use## a wwid line. Since there is no guarantee, a specific device will## not change names on reboot (From/dev/sda to/dev/sdb for Exampl e) # # devnode lines is not recommended for blacklisting specific devices.## #blacklist {# Wwid 26353900F02796769#DEVN Ode "^ (ram|raw|loop|fd|md|dm-|sr|scd|st) [0-9]*" #devnode "^hd[a-z]" #} #multipaths {#multipath {# Wwid3600508b4000156d700012000000b0000#aliasyellow#path_grouping_policymultibus#path_checkerreadsector0#path_ Selector "ROund-robin 0 "#failbackmanual #rr_weightpriorities#no_path_retry5#} #multipath {#wwid1DEC_____321816758474 #aliasred #}#} #devices {#device {#vendor "Compaq" #product "HSV110 (C) Compaq" #path_grouping_policymultibus #getuid_callout "/ lib/udev/scsi_id--whitelisted--device=/dev/%n "#path_checkerreadsector0 #path_selector" Round-robin 0 "#hardware_ Handler "0" #failback15 #rr_weightpriorities#no_path_retryqueue#} #device {#vendor "COMPAQ" #product "MSA1000" #path_gr ouping_policymultibus#}#}

Centos 6.5 Multipath Initial configuration