9-26 Upgrading Your Server

Installation Considerations for RAID Controller

Described below must be considered when installing any of the RAID controller listed below. For details, refer to the manual that comes with the RAID controller.

–N8103-101 SATA2 Disk array controller

–N8103-105 SAS Disk array controller

–N8103-91 Disk array controller

–N8103-99 Disk array controller (0ch)

„Prepare the hard disk drives and cables appropriate to RAID controller to be installed.

„Configure the Logical Settings of hard disk drive.

„Prepare the number of hard disk drives required for desired RAID (Redundant Array of Inexpensive [Independent] Disks) level.

„Making hard disk drives in the disk array configuration or changing the RAID level initializes hard disk drives. If the hard disk drive to be configured in the array has your valuable data stored, make sure to make a backup copy of the data in another hard disk drive before installing the disk array controller board and configuring the array.

„Use hard disk drives of the same capacity and revolution for each pack to configure them in the array.

„The disk array configuration improves disk reliability but provides a smaller disk capacity than the total capacity of hard disk drives in the disk array configuration.

„When the disk array controller board is replaced, restore the disk array configuration information in the disk array controller board. Use the configuration utility for the restoration. Chapter 6 for details.

„To indicate the access status of each hard disk drive connected to the RAID controller with the DISK ACCESS lamp on the front panel of the server, use the LED cable that comes with your server.

–With N8103-101/105 disk array controller, connect the LED cable to the LED connector on mother board and that on the RAID controller.

–With N8103-91 disk array controller, connect the LED cable to the LED connector on the mother board and that on the N8154-11 additional HDD cage.

Refer to the manual that comes with your RAID controller for more information.