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User Guide
■ Up to four disk array controller boards can be installed in the server.
■ Several RAID (Redundant Arrays of Independent Disks) levels can be set for the
newly installed disk array controller boards. For details of the available RAID
types, data transfer rate, and array configurations refer to the online documentation
on the NEC ExpressBuilder CD-ROM that comes with your system or the vendor
documentation that comes with the disk array controller.
■ The available capacity of the hard disks in the disk array configuration will be
lower than the capacity of the hard disks in a standard configuration, but the disk
reliability is much improved.
■ Set "PCI Slot n ROM (n: slot number)," a parameter of the slot in which a hard
disk is installed, to "Enable" in "PCI Configuration" on the Advanced menu of the
BIOS utility SETUP.
■ Replacement of disk array controller board
Restore the disk array configuration information in the disk array controller
boards. Use the configuration utility for the restoration. Refer to the online
document stored in the NEC ExpressBuilder CD-ROM coming with the server or
the documentation coming with the disk array controller for details. If a disk array
controller is replaced, create the configuration information by using the proper
utility.
■ When more than one disk array controller board are installed in the server, install
the disk array controller board to which the system disk to be booted is connected
in the lowest PCI slot number.
For example, if four disk array controller boards are installed in PCI slots #2, #3,
and #6, the system disk should be connected to the board installed in PCI slot #1.
Using Internal Disks in Disk Array Configuration
For the installation of the RAID controller board, see
Board" on page 148
can also refer to the Online Documentation of the NEC ExpressBuilder CD-ROM.
Use the interface cable coming with the RAID controller board. Disconnect the cable
from the server and keep it for future use. After the installation, provide the setting such
as RAID level for the RAID controller board by using the disk array BIOS utility of the
board.
Refer to the manual that comes with the RAID controller board for details.
Table 23: Boot priority
Slot No. Boot priority
#5
3
#4
4
#3
1
#2
5
#1
2
and the manual that comes with the RAID controller board. You
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"Installing or Removing a PCI
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