70 SPARC Enterprise T5140 and T5240 Servers Service Manual • July 2009
If either of these conditions exist, you must power off the server before replacing a
hard drive.
Related Information
■ “Removing Power From the System” on page 60
■ “Power On the Server Using the poweron Command” on page 181
■ “Power On the Server Using the Front Panel Power Button” on page 182
■ “Four-Drive Capable Backplane Configuration Reference” on page 77
■ “Eight-Drive Capable Backplane Configuration Reference” on page 78
■ “Sixteen-Drive Capable Backplane Configuration Reference” on page 79
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