Upgrading Your Server 9-11InstallationInstall a hard disk in the following procedure. A hard disk may be installed in any other slot in thesimilar procedure.IMPORTANT: In the disk array configuration, hard disks configuringa specific pack should have the same specification including thecapacity.NOTE: Hard disks can be installed or removed from the server onlyby opening the front door. In the disk array configuration, hard disksmay be installed or removed with the power of the server being on.1. See the section "Preparing for Installation and Removal" described earlier to prepare.2. Release the lock of the front door by using the security key to open the front door.3. Remove the side cover.4. Check the slot in which the hard disk is installed.5. Loose two screws securing the drive carrier.