NEC 140Rc-4 Disk array configuration of disk expansion units, IMPORTANT:

9-68 Upgrading Your Server
Disk array configuration of disk expansion units
The N8141-32F disk expansion unit can contain up to 14 hard disk drives. The cabinet is
exclusively used for the server. The server with the installation of the disk array controller board can
connect with up to 16 disk expansion unit (see the manual of the disk expansion unit for details).
IMPORTANT: The disk expansion unit does not contain hard disk
drives. Purchase them additionally.
To connect the server with the N8141-32F disk expansion unit, any of the optional cables listed
below is required:
 K410-93(01) expansion unit connection SCSI cable
 K410-93(03) expansion unit connection SCSI cable
 K410-93(06) expansion unit connection SCSI cable
After connecting the server with the disk expansion unit, set the disk expansion unit to the disk
array configuration using the Disk Array Configuration Utility. See Chapter 6 for details of the
setting and the procedure.
For the disk expansion unit with the disk array configuration, the auto rebuild feature provided by
the disk array controller board allows the data defected due to failure of any hard disk installed in
the disk expansion units to be recovered (replace the defected disk with a new one in the power-on
status [hot-swap feature]).