Silicon Graphics InfiniteStorage 4000 Series System Upgrade Manual page 46

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3. Look at the LEDs on both controller canisters to make sure that the controllers
are booting correctly.
The seven-segment display shows the sequence OS+ Sd+ blank- to indicate
that the controller is performing Start-of-day (SOD) processing. After the
controller successfully completes rebooting, the seven-segment display shows the
tray ID matching the seven-segment display on the second controller. After this
time, you can discover the controllers by using the storage management software.
Figure 24 Controller LEDs
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 step 10.
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 6.
6. Did this action correct the problem?
Yes – Go to step 11.
—
No – If the problem is not resolved, contact your Technical Support
—
representative.
1. Host Link 1 Service Action Required LED (Amber)
2. Host Link 2 Service Action Required LED (Amber)
3. Battery Service Action Required LED (Amber)
4. Controller Service Action Allowed LED (Blue)
5. Controller Service Action Required LED (Amber)