Owner's manual

Disk drive status indicators
Three status ind
icators display the drive operational status. Figure 16 shows the disk drive status
indicators. Ta
ble 8 provides a description of each status indicator.
Figure 16 Di
sk drive status indicators
1. Activity
2. Online
3. Fault
Table 8 Disk drive status indicator descriptions
Status indicator
Description
Activity
This green
status indicator fl ashes when the disk drive is
being acce
ssed. It is on when the drive is idle.
Online
The green status indicator is on when the disk drive is
online and operating normally. This i ndicator will be off
in the following situations:
• There is no controller on the bus.
• +5.1 VDC is not available.
• The drive is not properly installed in th e enclosure.
Fault
This amber status indicator is on when there is a disk drive
failure. D epen ding on the host controller, this indicator may
flash when the controller detects an error condition.
The amber status indicator flashes i n synchronization with
the other two status indicators i n response to the EM U
locate command.
Disk drive status displays
The disk drive status indicators can assume three states: on, off, or flashing. The status indicators states
for operational drive status are shown in Table 9.SeeTable 10 for the non-operational drive status
indicator states.
50
Enterprise Virtual Array hardware components