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Table 12. Drive carrier LED states (continued)
Activity LED (Green)
Blink off with activity
Blink off with activity
Blink off with activity
Blink off with activity
Blink off with activity
On
Blink off with activity
Blink off with activity
Blink off with activity
*If multiple conditions occur simultaneously, the LED state behaves as indicated by the condition listed earliest in the table, as
rows are read from top to bottom.
IO Module LEDs
IOM status is monitored by the LEDs located on the face plate. The following table describes LED behaviors for expansion
enclosure IOMs.
Table 13. Expansion enclosure IOM LEDs
LED
Description
Module fault
Power on or
standby
Unit
identification
(UID)
12 Gb/s SAS
port
Ethernet port
Fault LED (Amber)
Off
Off
Off
Off
Blinking: 3s on/ 1s off
Off
Blinking: 3s on/ 1s off
Off
Off
Color
Status
Amber
On
● Ops panel undergoing 5s test
● Rear panel area module fault: IOM, fan, PSU, when paired with
module fault LED
● Drive module hardware fault, paired with drive fault LED
Flashing
● Unknown, invalid, or mixed module type, such as drive module or
PSU
● Vital product data (VPD) configuration error or I2C bus failure
Off—IOM functioning properly
Green
On—IOM power is on
Amber
On—Part of standby sequence as IOM comes online
None
Off—IOM power is off
White
On—UID active to locate or identify for service activity
Off—UID not active
Green
On—Connected, link is up
Off—Not connected or link is down
Amber
On—Critical SAS cable fault
Fast flash (1s:1s)—SAS UID active
Slow flash (3s:1s)—Non-critical SAS cable fault
Off—SAS expansion port functioning properly
---
Ethernet port is disabled
Status/condition*
Available
Storage system: Initializing
Storage system: Fault-tolerant
Storage system: Degraded (not critical)
Storage system: Degraded (critical)
Storage system: Quarantined
Storage system: Offline (dequarantined)
Storage system: Reconstruction
Processing I/O (whether from host or
internal activity)
Troubleshooting and problem solving
31
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Table of Contents
Troubleshooting
