Identify 2U Enclosure Fault Conditions; Figure 62 Power Supply Unit Fault Leds - Seagate Exos X 4006 Series Hardware Installation And Maintenance Manual

LED
Type PSU fault AC fault PSU OK
Color Amber
Flashing
State
On*
Off
Off

Identify 2U enclosure fault conditions

Fault conditions do not necessarily cause the storage enclosure to cease functioning. Fault conditions do require a system
administrator to take an appropriate action to clear the fault condition.
The controller modules allow you to choose from multiple fault isolation methods. This section provides the basic
methodology used to locate faults within a storage system, then identify the affected FRUs.
When performing fault isolation and troubleshooting steps, select the option or options that best suit your site environment.
Use of any one of the following options is not mutually exclusive to the use of another option. The order for the options is
based on frequency of use.
To identify 2U enclosure fault conditions:
1. Monitor event and alert notifications through your host system interface or your preferred alternate method and based on
the notification settings you enable.
a. Event notifications: The system event logs record all system events and identifies the event type and its severity.
b. Alert notifications: An alert reports a system fault, registers the type and severity, then tracks its resolution.
2. Alerts fall into three categories, listed in order of severity. Resolve them, moving from most severe to least severe.
a. Critical alerts: Such alerts require immediate resolution since they may cause a controller module to shut down or
place data at risk.
b. Warnings: Such alerts require immediate attention so you can evaluate the problem and correct it.
c. Informational alerts: Such alerts neither require immediate attention nor immediate action.
3. Use the Storage Management Console (SMC). You can use the SMC to monitor the health icons or values for the system
and its components, to make sure that everything is functioning properly, or to locate a problem component.
Status
N/A
Amber Green
Off AC power not present
On* Off PSU present, but not supplying power
Off Firmware download to PSU in progress
Off On AC power present, power switch is on, providing power
Off Flashing AC power present, PSU on standby, other PSU providing power
On* Communication with controller module (CM) lost
N/A Off PSU hardware fault
On* Off PSU alert state or hardware fault: over temperature, over voltage, or over current
On* Off AC power failed, PSU not providing power, other PSU providing power
On* AC power failed, PSU running on battery

Figure 62 Power supply unit fault LEDs

Chapter 9 Hardware installation and configuration issues
84