s390zl21:~ # cat /etc/multipath.conf
defaults {
path_grouping_policy multibus
path_checker tur
polling_interval 15
no_path_retry queue
checker_timeout 60
path_selector "service-time 0"
find_multipaths smart
}
devices {
device {
vendor "IBM"
product "2107900"
path_grouping_policy group_by_prio
prio alua
}
}