multipath.conf on EL7

########################################HITACHI
grep ^[^#] /etc/multipath.conf
defaults {
		user_friendly_names yes
		find_multipaths yes
		polling_interval  5
		dev_loss_tmo    10
		fast_io_fail_tmo   5
		checker_timeout  15
}

devices {
	device {
			 vendor "HITACHI"
			 product "OPEN-.*"
			 path_grouping_policy "multibus"
			 path_checker "tur"
			 path_selector "service-time 0"
			 features "0"
			 no_path_retry fail
			 failback 5
			 hardware_handler "0"
			 prio "const"
			 rr_weight "uniform"
	 }
}
########################################IBM
grep ^[^#] /etc/multipath.conf
defaults {
		user_friendly_names yes
		find_multipaths yes
		polling_interval  5
		dev_loss_tmo    10
		fast_io_fail_tmo   5
		checker_timeout  15
}

devices {
        device {
                vendor                  "IBM"
                product                 "2145"
                path_grouping_policy    "group_by_prio"
                path_selector           "service-time 0"
                prio                    "alua"
                path_checker            "tur"
                failback                "immediate"
                no_path_retry           5
                rr_weight               uniform
                rr_min_io_rq            "1"
                dev_loss_tmo            120
        }
########################################
defaults {
        user_friendly_names yes
        find_multipaths yes
        polling_interval  5
        dev_loss_tmo    10
        fast_io_fail_tmo   5
}

devices {
        device {
                vendor                  "HITACHI"
                product                 "OPEN-.*"
                path_grouping_policy    multibus
                path_checker            "tur"
                path_selector           "service-time 0"
                features                "0"
                hardware_handler        "0"
                failback                15
                rr_weight               "uniform"
                no_path_retry           fail
        }
}