Hard Drive Leds - Fujitsu SPARC ENTERPRISE T5140 Service Manual

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
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"Power On the Server Using the poweron Command" on page 181
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"Power On the Server Using the Front Panel Power Button" on page 182
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"Four-Drive Capable Backplane Configuration Reference" on page 77
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"Eight-Drive Capable Backplane Configuration Reference" on page 78
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"Sixteen-Drive Capable Backplane Configuration Reference" on page 79
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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:
70 SPARC Enterprise T5140 and T5240 Servers Service Manual • July 2009
Hard Drive LEDs