First Virtual Communications 3000 user manual Setting the target Scsi Ids on a VRA-3002 system

Installation and Setup

The switches are now accessible at the middle of the backplane on the right hand side when looking at the rear of the system as shown in Figure 2-5.

Figure 2-5 Setting the Target Bus SCSI IDs

The SCSI Ids may be set to have a base address of either 0 or 3. Setting the switch to the left (when viewed from the rear) will cause the drives associated with that switch to occupy SCSI Ids 0à 2. Setting the switch to the right will cause the drives to occupy SCSI Ids 3à5. Figure 2-6 shows both target buses set to a base address of 0. This is the factory default setting and

Figure 2-6 Setting the RAID Target Bus SCSI IDs

should not normally be altered.

Setting the target SCSI Ids on a VRA-3002 system

The first shelf (right hand side when viewed from the rear) in the VRA-3002 is configured the same as the VRA-3001 shelves. The second shelf is configured as two separate busses and linked externally via the bulkhead connectors. Figure 1-4 gives a schematic view of the cabling interconnections.

2-5