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iSR6200 Intelligent Storage Router
Installation Guide
Glossary-10 ISR651101-00 G
VPGs
Virtual port group. VPG is the iSR6200
software component used to create
additional logical Fibre Channel adapter
initiator ports on the fabric.
world wide node name
See WWNN.
world wide port name
See WWPN.
world wide unique LUN name
See WWULN.
WWNN
World wide node name. Unique 64-bit
address assigned to a device.
WWPN
World wide port name. Unique 64-bit
address assigned to each port on a
device. One WWNN may contain multiple
WWPN addresses.
WWULN
World wide unique LUN name identifiers
for SCSI devices are read from page 83
and page 80 of your SCSI block device as
based on the SCSI standard. SANsurfer
looks for identifiers in the order of: page 83
type 3, page 83 type 2, page 83 type 1,
page 80, and lastly page 83 type 0.