HP D2D .HP D2D Backup System user guide (EH985-90907, March 2011) - Page 148

Figure 26 Drive LEDs . 1. Disk Online LED 2. Disk beacon LED Steady green: Online, no activity Flashing green: Ongoing disk activity Steady amber: Disk has failed Flashing amber: Predictive disk failure Off: The disk is not a part of RAID Steady blue: identifies a specific disk within the unit Beacon mode The HP StoreOnce Backup System supports a Beacon LED sequence, which helps a user identify which unit is being configured, if several are connected to the network. AL HP D2D4000 Series Backup System also have a Beacon LED on the individual disks so that you can identify a specific disk within the HP D2D. Use the Network page of the Web Management Interface to turn Beacon Mode on and off for the HP StoreOnce Backup System. This turns the Beacon LED on the front and the rear of the HP D2D solid blue. If you do not switch off Beacon Mode, it will continue for 5 minutes. See also "Network (Configuration)" on page 45. You can also switch Beacon mode on and off by pressing the LED on the front panel. Fibre Channel card LEDs If you have the Fibre Channel version of the HP D2D, there are three LEDs adjacent to each FC port. Table 26 FC card LEDs Yellow LED Green LED Amber LED Activity Off Off Off Power Off (OK) On On On Power on before or after software initialization. Awaiting HBA software initialization. Flashing Flashing Flashing Power on after software initialization. Link not initialized. Alternately flashing Alternately flashing Alternately flashing software fault (OK) Off Off On Connected at 2 (HP D2D4300 Series only) or 1 (all other FC systems) Gb/s 148 Understanding LEDs