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 E5700 controllers (E5724, EF570, or E5760):
  1. Take controller offline.
  2. Remove the controller canister.
  3. Replace the battery.
  4. Replace the controller canister.
  5. Bring the controller online.