|Batteries |
Batteries
A battery is included with a controller canister 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.
Battery overview
Each controller canister includes a battery that preserves cached data if the AC power fails. To protect your
data, you must replace a failed battery as soon as possible.
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.
Steps needed to replace battery
The following is an overview of the steps to replace a battery in HB5000 controllers (HB5100, AB5100, or
HB5200):
1. Take controller offline.
2. Remove the controller canister.
3. Replace the battery.
4. Replace the controller canister.
5. Bring the controller online.
Requirements for replacing a failed battery
If you plan to replace a failed 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 Linux express configuration,
Windows express configuration, or VMware express configuration to download and install it.
• You must have a replacement battery.
• You have an ESD wristband, or you have taken other antistatic precautions.
• You should use labels to identify each cable that is connected to the controller canister.
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 (duplex)
If you have a duplex configuration, 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.
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