In case it is relevant, here is my device configuration. devices { device { vendor "SUN" product "LCSM100_I" getuid_callout "/sbin/scsi_id -g -u -s /block/%n" prio_callout "/sbin/mpath_prio_rdac /dev/%n" features "0" hardware_handler "1 rdac" path_grouping_policy group_by_prio failback immediate rr_weight uniform no_path_retry queue rr_min_io 1000 path_checker rdac } } -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel