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

Batteries

A battery is included with a controller and preserves cached data if the AC power fails.

Overview and requirements

Before you replace a battery, you need to be aware of certain requirements and considerations.

Requirements for replacing a battery

If you plan to replace a failed battery, keep the following requirements in mind.
Recovery Guru alerts
If the Recovery Guru in SANtricity System Manager reports one of following statuses, you must replace the
affected battery:
• Battery Failed
• Battery Replacement Required
From SANtricity System Manager, review the details in the Recovery Guru to confirm that there is an issue with
a battery and to ensure no other items must be addressed first.
Requirements for replacing a battery
If you plan to replace a battery, keep the following requirements in mind.
• You must have installed SANtricity System Manager on a management station, so you can use the storage
array's command line interface (CLI).
If this software has not yet been installed, follow the instructions in the
Windows express
• You must have a replacement battery.
• You have an ESD wristband, or you have taken other antistatic precautions.
• You must use labels to identify each cable that is connected to the controller canister.
This section describes how to replace a battery in the following controller shelves:
• AB6100 controller shelf

Replace battery

Each controller canister includes a battery that preserves cached data if the AC power fails. If the Recovery
Guru in SANtricity System Manager reports either a Battery Failed status or a Battery Replacement Required
status, you must replace the affected battery.

Place controller offline

You must place the affected controller offline so you can safely remove the failed battery. You must back up
the configuration and collect support data first. Then, you can take the affected controller offline.
Before you begin
• Make sure that no volumes are in use or that you have a multipath driver installed on all hosts using these
volumes.
Procedure
1. From SANtricity System Manager, review the details in the Recovery Guru to confirm that there is an issue
with a battery and to ensure no other items must be addressed first.
configuration, or VMware express configuration
Linux express configuration,
to download and install it.
| Batteries |
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