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9-18 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.
– SX4100 SATA Disk array controller
– SecuRAID 114 SCSI Disk array controller
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 mirroring 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 to connect the
LED connectors on the mother board and RAID controller.
Mother board
LED connector
Black
Red
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