HP Array Controller HSG V8.7 Software - Manual (Page 149)

Creating Storagesets 3–71
SCSI-3 Mode
The CCL will appear at the default unit offset of each port. Because the
default unit offset is 0 for Port 1 and 100 for Port 2, the CCL will be at
LUN 0 on Port 1 and LUN 100 on Port 2.
Note Lun 100 on Port 2 appears as LUN 0 to its hosts.