3 System upgrade50Configuring the storage devicesThe system supports 2.5-inch storage devices. It accommodates slim-line optical drives and depending on system model, can support up tosix 2.5-inch hot-plug SATA hard disk drives or eight hot-plug SAS harddisk drives.Caution! To maintain proper system cooling, filler panels must beinstalled if a device is not replaced.Removing and installing a hard disk driveNote: Use only Acer-qualified SAS or SATA HDDs. To purchase aSAS or SATA HDD, contact your local Acer representative.Caution! To ensure proper airflow and server cooling, all drivebays must contain either a carrier with a hard drive installed in itor a hard disk carrier cover.Determining drive statusEach HDD carrier features two status LED indicators to display the harddrive status. If you are replacing a failed HDD, determine which drivehas failed by checking the drive status LED. For more information onhow to determine the drive status, refer to “Hot-plug HDD LEDindicators” on page 25.
