User's Guide

4. Names and Functions of Parts
Express5800/R120d-2E User’s Guide
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Chapter 1 General Description
4.7.7
LED on a hard disk drive
DISK LED on a hard disk drive to be installed in the drive bay indicates different states
DISK Access LED pattern Explanation
On(green) This indicates a hard disk drive is being accessed
On (amber) This indicates a hard disk drive is failing.
Flashing (green and amber
alternately)
This indicates that a hard disk drive is being rebuilt (not a defect).
In a RAID system, the hard disk drive is automatically rebuilt upon replacing a
failed hard disk drive (auto rebuild feature).
Off Hard disk drive is halted.
Important
Observe the following precautions whenever you use the auto rebuild feature.
• Do not turn off or reboot the server while a hard disk drive is being rebuilt.
• Wait at least 90 seconds before installing a hard disk drive after removing one.
• Do not replace a hard disk drive while another hard disk drive is being rebuilt.
DISK LED
2.5-inch hard disk drive
DISK LED
3.5-inch hard disk drive