HP LUN Configuration Manager XP Software - Manual (Page 28)

28 HP StorageWorks LUN Configuration Manager XP: user’s guide
2. Review the information displayed on the LUN Management-LDEV
Configuration window to see which paths have already been assigned.
A single plus sign (+) next to an LDEV ID (listed under the Volume
attribute) indicates that there is an assigned SCSI/fibre path to that
LDEV. Two plus signs (++) next to an LDEV ID indicates that there is
more than one SCSI path to that LDEV. The label for CMD.Dev next
to an LDEV ID indicates that volume is being used as a command
device and is not available for SCSI path definition.
3. Select Add to open the Set SCSI Path Parameter window.