multipath.conf

devices {
    device {
        vendor "TEGILE  "
        product "*"
        no_path_retry queue
        #path_grouping_policy multibus
    }
}
multipaths {
       multipath {
              wwid                  3600144f002544900000052efe28d0003
              alias                 TEGILE
              path_grouping_policy  multibus
              path_selector         "queue-length 0"
              failback              immediate
              rr_weight             uniform
              no_path_retry         5
       }
}