On 2005-07-22T14:09:55, Philipp Niemann <niemann@xxxxxxxx> wrote: > Well, almost at it. > > On Fri, 22.07.2005-11:58:28 +0200, Christophe Varoqui wrote: > > hardware_handler and features params must be in the devices {} section, not in multipaths {}. > > I changed the settings in /etc/multipath.conf again, as you advised. > Here is it: > > # Begin of /etc/multipath.conf > defaults { > multipath_tool "/sbin/multipath -v 0 -S" > udev_dir /dev > polling_interval 10 > default_selector "round-robin 0" > default_path_grouping_policy failover > default_getuid_callout "/sbin/scsi_id -g -u -s /block/%n" > default_prio_callout "/bin/false" > default_features "0" > } > multipaths { > multipath { > wwid 360060160200161a037f90d75dfca84f7 > alias 416L3 > path_grouping_policy failover > path_selector "round-robin 0" > } > } > devices { > device { > vendor "DGC " > product "RAID 5 " > path_grouping_policy group_by_serial > getuid_callout "/sbin/scsi_id -g -u -s /block/%n" > path_checker emc_clariion > path_selector "round-robin 0" > features "0" > hardware_handler "1 emc" > } For the Clariion 4500, you need to set the hardware_handler to "3 emc 1 0" (The trespass command to transfer ownership of a LU from one Service-Processor to the other is different from the FC4500 to the EMC CX series. I've got to admit I've not tested the FC4500 yet, though.) You also want the pp_emc callout from the newer multipath-tools package and use that as the priority callout, and group by priority. Sincerely, Lars Marowsky-Brée <lmb@xxxxxxx> -- High Availability & Clustering SUSE Labs, Research and Development SUSE LINUX Products GmbH - A Novell Business -- Charles Darwin "Ignorance more frequently begets confidence than does knowledge"