Technical data

Figure 42 Controller LEDs

1. Host Link 1 Service Action Required LED (Green)

2. Host Link 2 Service Action Required LED (Green)

3. Battery Service Action Required LED (Amber)

4. Controller Service Action Allowed LED (Blue)

5. Controller Service Action Required LED (Amber)

4. Based on the LED status, perform one of these actions:

— All of the Service Action Required LEDs are off, and the Array

Management Window indicates an Optimal status – Go to step 11.

— Any of the controller-drive tray’s Service Action Required LEDs are on,

or the Controller Service Action Required LED is on – Go to step 5.

5. Based on the Recovery Guru display, perform one of the following actions:

— The Recovery Guru displays the following message:

REC_CACHE_BACKUP_DEVICE_INSUFFICIENT_CAPACITY – The

controllers might require an additional power cycle to initialize the new

cache backup memory devices. Turn off the Power switches on both

controller canisters. Wait until all LED and seven-segment display activity

has stopped, and then turn on the Power switches on both power-fan

canisters. Go to 6.

— The Recovery Guru does not display an insufficient capacity message –

Check that the controller canister has been installed correctly. Reinstall the

controller canister if necessary. Go to step 10.

6. Did this action correct the problem?

— Yes – Go to step 11.

— No – If the problem is not resolved, contact your Technical Support

representative.

7. Using the LEDs and the storage management software, check the status of the

trays in the storage array.

8. Does any component have a Needs Attention status?

— Yes – Click the Recovery Guru toolbar button in the Array Management

Window, and complete the recovery procedure. If the problem is not

resolved, contact your Technical Support representative.

— No – Go to step 13.