HP ProLiant BL20p G3 Server Blade - Manual (Page 15)

Server Blade Component Identification
WARNING: Before removing a hard drive, read the hot-plug hard drive
replacement section in the HP ProLiant Servers Troubleshooting Guide.
•
The first LED indicates drive activity status (1), where on indicates activity and
off indicates no activity by the drive.
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The second LED indicates online status (2), where flashing indicates an active
online condition and off indicates an inactive online condition.
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The third LED indicates fault status (3), where flashing indicates fault-process
activity and off indicates a no-fault-process activity.
Figure 1-2: Hot-plug SCSI hard drive LEDs
1-4 HP ProLiant BL20p Generation 3 Server Blade User Guide