defaults { dev_loss_tmo 30 remove_retries 10 flush_on_last_del yes find_multipaths smart failback immediate no_path_retry 4 } multipaths { multipath { wwid 36005076380808163800000000000001f alias joker1 } multipath { wwid 360050763808081638000000000000022 alias vmimages } } overrides { # path_checker none no_path_retry fail dev_loss_tmo 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 # or no_path_retry "fail" retain_attached_hw_handler "yes" fast_io_fail_tmo 5 rr_min_io 1000 rr_min_io_rq 1 rr_weight "uniform" } }