You can add, upgrade, or replace a HIC in the following controller shelves:
The steps to replace a HIC depend on whether you have one or two controllers, as follows:
| If your storage array has... |
You must... |
| One controller (E2812 or E2824 simplex) |
- Stop host I/O operations
- Power down the controller shelf
- Remove the controller canister
- Replace the battery
- Replace the controller canister
- Apply power to the controller shelf
|
| Two controllers (E2860, E2812 or E2824 duplex) |
- Take the controller offline
- Remove the controller canister
- Replace the battery
- Replace the controller canister
- Bring the controller online
|