Sun Microsystems Fire V890 Service Manual page 297

The following table shows how to interpret the various possible LED patterns.
Off Off
Rapid Off
Blinking
Slow Off
Blinking
On Off
Irregular Off
Blinking
On On
Off Off
For more information about disk drives, refer to the Sun Fire V890 Server Owner's
Guide. For more information about hot-plug operations, see
and Hot-Swappable Components" on page
Interpretation
Off Slot power is off. A disk drive can be safely inserted
as part of a hot-plug operation.
Off Disk drive is spinning up or down.
Off Disk drive is being configured or deconfigured
during a hot-plug operation.
Off Disk drive is up to speed and operating normally.
Off Disk drive is experiencing read or write activity.
Off Disk drive has encountered a fault.
On Disk drive can be safely removed as part of a
hot-plug operation.
6.
"About Hot-Pluggable
Appendix B System LEDs 269