NEC EXPRESS 320Lb-R - Manual (Page 77)

Linux Setup and Operation 3-5
3. See the path information in [General Information] of [SCSI Slot (ID: 41/1)].
It shows that PCI module, SCSI adapter, and SCSI bus are 10, 5, and 0,
respectively.
This allows you to find that SCSI Slot (ID: 41/1) belongs to Group 1. SCSI slots
under SCSI Enclosure (ID: 41) correspond to Group 1. Therefore, Group 2
corresponds to SCSI slots under SCSI Enclosure (ID: 42).
You will find that the failed disk located in the SCSI slot (ID: 41/2) is the second
disk of Group 1.