HP 2120 HP StorageWorks Disk System 2120 Users Guide (5697-5367, March 2005) - Page 25

HP StorageWorks Disk System 2120 25 English Status LEDs LEDs indicate the status of the disk system itself and each of the disk modules. A green system LED is visible on the front of the disk system. It shows that a fault has occurred or that power is on. Disk activity LEDs are on the front of the disk modules (see Figure 14 and Table 6 below). FIGURE 14 LED Status Indicators Amber LED (not used) Green LED System Power LED Disk Module LEDs TABLE 6 LED Status Indicators LED System Power Disk Module State Green Blinking OFF Green Flashing OFF Indication Power is on Malfunction - either a fan is not operating properly or internal voltage is too low. Power is off Installed and spinning up. If the LED is still on 3 minutes after term power is engaged and there is no I/O activity occurring, the disk may be faulty. I/O activity on the disk. The LED flashes at variable speeds, depending on the I/O activity. The LED may appear to be on solid during periods of high I/O activity. Not installed, not operating, or no I/O activity