Upgrading Your Server 9-11InstallationInstall a hard disk drive in the following procedure. A hard disk drive may be installed in any otherslot in the similar procedure.IMPORTANT: Fill the bays bottom-to-top. In the disk array configuration, hard disk drives configuring aspecific pack should have the same specification including thecapacity.NOTE: Hard disk drives can be installed or removed from the serveronly by opening the front door. In the disk array configuration, harddisk drives may be installed or removed with the power of the serverbeing on.1. See the section "Preparing for Installation and Removal" described earlier to prepare (inother than the disk array configuration).2. Release the lock of the front door by using the security key to open the front door.3. Locate the slot in which the hard disk drive is installed.There are four slots. The SCSI IDs are defined depending on the locations of the slots(SCSI ID0 to SCSI ID3 from bottom to top).4. Hold the handle of the dummy tray and remove the dummy tray.IMPORTANT: Keep the dummy tray carefully.