8-6 TroubleshootingHard Disk Drive LEDThe disk LED located on the drive carrier indicates the following depending on the status:3.5-inch hard disk drive 2.5-inch hard disk drive Flashing (green)The LED indicates that the hard disk drive is being accessed. On (amber)The LED indicates a failure of a hard disk drive mounted in the RAID system.NOTE: Even if one (two in RAID6) of the hard disk drives fails in thelogical drive (RAID1, RAID5, RAID6, RAID10, RAID50), the servercan continue operating. However, replace the hard disk drive as soon aspossible, and perform reconstruction (rebuild) processing. (The failinghard disk drive can be replaced in hot swap mode.) Blinking in green and amber alternatelyThe LED indicates that reconstruction (rebuild) processing is being performed for the harddisk drive. (This flashing does not indicate a failure.) When a failing hard disk drive isreplaced in RAID System, the system automatically rebuilds the data. (Auto-rebuildfunction) The LED switches back and forth between green and amber during rebuildprocessing.The LED goes off when the rebuild processing has terminated. It turns amber when therebuild processing fails.Disk LED Disk LED