Centos 6.5 Multipath 初始配置

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# 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## REMEMBER: After updating multipath.conf, you must run## service multipathd reload## for the changes to take effect in multipathd## 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}#### Here is an example of how 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 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 {#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_grouping_policymultibus#}#}

Centos 6.5 Multipath 初始配置