1. Installing Internal Optional DevicesExpress5800/T120d User’s Guide 109Chapter 2 Preparations1.18 Use of Internal hard disk drives in the RAID SystemThis section describes how to use the hard disk drives installed in the HDD cage at the front of the server in theRAID System.Important • If you use hard disk drives in the RAID System or change the RAID level,initialize the hard disk drives. If the hard disk drive contains valuable data,be sure to backup the hard disk drive before installing the RAID Controllerand configuring the RAID System.• If both PCI #1 and PCI #2 slots contain RAID cards, OS is installed in harddisk drive connected to RAID Controller in PCI #2 slot. Use the hard diskdrive connected with RAID card in PCI slot #1 for storing data.Note In the RAID System, use hard disk drives that have the same specifications(capacity, rotational speed, and standard) for each Disk Array.Tips • Logical Drives can be created even with only one Physical Device.• When using SAS hard disk drives, RAID Controllers must be connected.1.18.1 Connecting cables(1) 2.5-inch HDD cageConnect cables to 2.5-inch HDD cage by referring to the illustration below.[BPB_CON1]connector[BPB_CON2]connector[MINISAS_1]connector[MINISAS_2]connector[CN1]connector[CN2]connector
