Holger Smolinski wrote: > Gil, > > DS4300 has two modes: > > AVT, which means only one path can be used at any point in time. Using an > alternate path will cause Automated Volume Transfer and add significant > latency. > RDAC, which means only one path can be used at any point in time. Using an > alternate path will cause an I/O error unless the volume has been migrated > manually or by a hardware_handler. > And you _really_ will want to use AVT. RDAC mode is currently _not_ supported by multipath-tools. For AVT mode you should use the pp_tpc prioritizer. Cheers, Hannes -- Dr. Hannes Reinecke hare@xxxxxxx SuSE Linux Products GmbH S390 & zSeries Maxfeldstraße 5 +49 911 74053 688 90409 Nürnberg http://www.suse.de -- dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
