2.5-Inch Hard Disk Drive - NEC Express5800/R320a-E4 User Manual

8-6 System Upgrade

2.5-INCH HARD DISK DRIVE

The 2.5-inch hard disk drive bays in front of the server can mount up to 16 hard disk drives with the
2.5 inch width exclusive trays.
IMPORTANT:
Do not use any hard disks that are not authorized by NEC. Installing a third-party hard disk may
cause a failure of the server as well as the hard disk. Purchase hard disks of the same model in
pair. Contact your sales agent for hard disk drives optimum for your server.
The operation is executed on the created mirror volume with installed hard disk drive pairs such as
slot 0 on CPU/IO module 0/1, slot 1 on CPU/IO module 0/1, slot 2 on CPU/IO module 0/1. (The OS
is installed on the mirror volumes that consist of the hard disks in the slot 0.)
Slot 0
CPU/IO
module 0
CPU/IO
module 1
Empty slots in the 2.5-inch hard disk drive bay contain dummy trays. The dummy trays are inserted
to improve the cooling effect within the device. Always insert the dummy trays in the slots with no
hard disks drive installed.
Slot 2 Slot 4
Slot 1
Slots to execute the mirroring process
Slot 6
Slot 3 Slot 5
Dummy tray
Slot 7