Fans; Overview And Requirements; Requirements For Replacing A Fan; Replace A Fan - Fujitsu ETERNUS AB Series Hardware Maintenance Manual

Fans

Each AB6100 controller shelf or drive shelf includes five fans for cooling the controller.

Overview and requirements

Before you replace a failed fan, you need to be aware of some requirements.

Requirements for replacing a fan

If you plan to replace a fan, keep the following requirements in mind.
• You have a replacement fan that is supported for your controller shelf or drive shelf model.
• You have an ESD wristband, or you have taken other antistatic precautions.
Attention: If the Recovery Guru indicates that it is not OK to remove the fan, contact technical
•
support.
This section describes how to replace a fan in the following shelves:
• AB6100 controller shelf

Replace a fan

Each AB6100 controller shelf or drive shelf includes five fans. If a fan fails, you must replace it as soon as
possible to ensure that the shelf has adequate cooling.

Place controller offline

You must place the controller shelf offline so you can safely replace your failed fan. You must back up the
configuration and collect support data first. Then, you can take the controller shelf offline.
Before you begin
• You have reviewed the details in the Recovery Guru to confirm that there is an issue with a fan. Select
Recheck from the Recovery Guru to ensure no other items must be addressed first.
About this task
This task describes how to prepare to replace a fan for the following controller shelves:
• AB6100 controller shelf
Procedure
1. From the Home of SANtricity System Manager, ensure that the storage array has Optimal status.
If the status is not Optimal, use the Recovery Guru or contact technical support to resolve the problem. Do
not continue with this procedure.
2. Back up the storage array's configuration database.
If a problem occurs when you remove a controller, you can use the saved file to restore your configuration.
a) In System Manager, navigate to the support page.
b) Select the Support Center tab.
c) Select the Diagnostics tab.
d) Select Collect Support Data.
3. Ensure that no I/O operations are occurring between the storage array and all connected hosts. For
example, you can perform these steps:
• Stop all processes that involve the LUNs mapped from the storage to the hosts.
• Ensure that no applications are writing data to any LUNs mapped from the storage to the hosts.
| Fans |
36