A volume must be explicitly presented to a host before it can be used for I/O operations.
The system supports LUN masking on an HP EVA controller. When the system presents a volume, the LUN can be specified or allowed to default to the next available value.
The system supports LUN virtualization on an HP EVA controller. The LUN-host relationship is set on a per-host basis.
The Console LU is a special volume that represents the SCSI target device. It is presented to all hosts as LUN 0.