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  • Centos 6.5 Multipath 初始配置

    # 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_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|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          "/lib/udev/scsi_id --whitelisted --device=/dev/%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
    #	}
    #}
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  • 原文地址:https://www.cnblogs.com/Kconnie/p/4687923.html
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