Attachment 848235 Details for Bug 1049637 – multipath.conf

multipath.conf

multipath.conf (text/plain), 8.12 KB, created by Karandeep Chahal on 2014-01-10 14:56:35 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Karandeep Chahal

Created: 2014-01-10 14:56:35 UTC

Size: 8.12 KB

patch

obsolete

>############################
># 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
>    }
>}

Actions: View

Attachments on bug 1049637: 846858 | 848235 | 857949