70 SPARC Enterprise T5120 and T5220 Servers Service Manual • July 2009
If either of these conditions exist, you must power off the server before replacinga
hard drive.
Related Information
■“Removing Power From the System” on page60
■“Power Off the Server (Service Processor Command)” on page60
■“Power Off the Server (Power Button - Graceful)” on page 62
■“Four-Drive Capable Backplane Configuration Reference” on page77
■“Eight-Drive Capable Backplane Configuration Reference” on page78
■“Sixteen-Drive Capable Backplane Configuration Reference” on page79
Hard Drive LEDs
Each hard drive has a group of three status LEDs, as shown in the following figure.
Both disk-based hard drives and flash SSDs use the same set of LEDS.
Note – The OK/Activity LED has slightly different behavior for SSDs than for
disk-based drives. This difference is described in the table that follows the figure.
FIGURE: Hard Drive LEDs