HP StorageWorks External Storage XP user guide (T1706-96006, June 2006)

External Storage XP user guide 149
connected XP12000/XP10000/SVS200 external port. Additionally, set Host OS to Microsoft Windows
for the XP12000/XP10000/SVS200 to use the EVA LUs correctly. Figure 75 illustrates this step.
Figure 75 Creating EVA host objects
After the host object is created, add the remaining XP12000/XP10000/SVS200 external ports by
selecting the new host object, and clicking the Ports tab. For each port, enter the world wide port name,
and click Add Port. Figure 76 illustrates this step.
Figure 76 Adding ports to XP12000/XP10000/SVS200 host objects
Creating and presenting EVA Vdisks
Vdisks created on the XP12000/XP10000/SVS200-attached EVA3000/5000 must have Path A
Failover/Failback or Path B Failover/Failback selected for Preferred path/mode. Figure 77 illustrates this
step. Path A Failover/Failback indicates that the given Vdisk is hosted from EVA Controller A and
migrates via failover function to Controller B if the need arises. To achieve better performance for a given