Mylex eXtremeRAID Installation Guide download pdf (Page 17)

Hardware Installation

Manual No. DB11-000034-00 5

4. Enable termination power on all SCSI drives connected to the

controller. See the documentation that comes with your drives for

instructions on how to do this.

Figure 5. Internal SCSI Configuration and Termination

5. Set the SCSI ID for each external disk drive to a unique address

between 0 and 15, but do not use address 7 (reserved for the controller).

Do not duplicate SCSI IDs used by internal drives designated for the

same channel. For information on how to set SCSI IDs, refer to the disk

drive documentation.

If you are using an external SCSI cabinet, see the Caution note above.

6. Connect a wide, high-density, 68-pin SCSI ribbon cable to the internal

SCSI connector on the eXtremeRAID 3000 controller and connect the

other cable connectors to any SCSI devices as required (see Figure 5).

eXtremeRAID 3000 always has the on-board SCSI termination

enabled.

7. Connect an active terminator to the end of the SCSI ribbon cable at the

end farthest from the controller (see Figure 5).

External drive cabinets usually have termination built into the end of

the SCSI bus. Check the documentation that comes with your drive

cabinet to be sure this is the case. If not, use an active terminator at the

end of the bus.

☛ Note

The eXtremeRAID 3000 terminator is set to be ON.

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Mylex eXtremeRAID Installation Guide Page 17