HP XP Racks - Manual (Page 445)

Description Item
• RCU Target: Receives I/O commands from an initiator when I/O is
executed between storage systems with Continuous Access Synchronous,
and so on.
•
External: Issues I/O commands to a target port of an external storage
system with External Storage.
LUN security setting (Enabled or Disabled) on the port. Security
Adds ports selected from the Available Ports table to the Selected Ports
table. Add
Removes ports from the Selected Ports table. Remove
Create Alternative LUN Paths wizard 445