> their original SP when the FC cable was reconnected. Am I to assume that > RDAC or other multipath software will not tell the storage to failback > trepassed LUNs? It will if the priority received from the prio_callout (or in more recent version prio) is greater for the set of the trespassed LUNs and you are using the right prio group policy. Try having this value in the new configuration for the RDAC setup: path_grouping_policy group_by_prio -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel