Expansion Module Failure

Symptom

Log in to the DeviceManager and choose System > Hardware > Devices. Select a disk enclosure that is marked by an exclamation mark (!), and click to display the rear view. On the rear view of the storage device, click the expansion module in the red square. Health Status of the expansion module is Faulty.

The expansion module Alarm indicator on the storage device is steady yellow. Figure 5-10 and Figure 5-11 show the location of the expansion module Alarm indicator.

Figure 5-10 Location of the expansion module Alarm indicator on a 2 U smart SAS disk enclosure and 2 U smart NVMe disk enclosure

Figure 5-11 Location of the expansion module Alarm indicator on a 2 U SAS disk enclosure

Alarm Information

On the Alarms and Events page, click the Current Alarms tab. The alarm Expansion Module Is Faulty is displayed on the tab page.

Possible Causes

The expansion module is faulty.

Impact

An expansion module fault may cause the running of only a single link at the backend, which may degrade system performance and system reliability.

Fault Diagnosis

Figure 5-12 Troubleshooting flowchart for an expansion module failure

Procedure

1. Check whether the expansion module Alarm indicator on the storage device is steady yellow.
   • If yes, go to 2.
   • If no, keep the fault environment intact and contact technical support engineers.

2. Replace the faulty expansion module.

   For details about how to replace an expansion module, see the Parts Replacement of the corresponding product model.

3. Check whether the expansion module Alarm indicator is steady off and Health Status of the expansion module on the DeviceManager is Normal.
   • If yes, the procedure is complete.
   • If no, keep the fault environment intact and contact technical support engineers.

Suggestion and Summary

None