are built into the controller are called baseboard host ports. Host ports that are built into the HIC are called HIC
ports.
Host port protocol
You can convert the protocol of a host to a different protocol so that compatibility and communication can be
established.
Batteries
Requirements for E2800 battery replacement
Before you replace an E2800 battery, review the requirements and considerations.
Each controller canister includes a battery that preserves cached data if the AC power fails.
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.
Procedure overview
To protect your data, you must replace a failed battery as soon as possible.
The following is an overview of the steps required to replace a battery in an E2800 controller:
1. Prepare for replacement, following the appropriate steps for a duplex or simplex configuration.
2. Remove the controller canister.
3. Remove the failed battery.
4. Install the new battery.
5. Re-install the controller canister.
6. Complete the replacement, following the appropriate steps for a duplex or simplex configuration.
Duplex or simplex configuration
The steps to replace a battery depend on whether you have one or two controllers, as follows:
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