Silicon Graphics InfiniteStorage 4000 Series System Upgrade Manual page 109

Chapter 2: Upgrading Trays in the Storage Array
Figure 70 Controller LEDs
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 controller by using the storage management software.
Depending on your type of HIC, you might receive an error message about a
failed host I/O card. If this problem occurs, follow the instructions in the
Recovery Guru.
13. Look at the Controller Service Action Required LED, and look at all of the
controller-drive tray's Service Action Required LEDs. 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 14.
Any of the controller-drive tray's Service Action Required LEDs are on,
—
or the Controller Service Action Required LED is on – Check that the
controller canister has been installed correctly. Reinstall the controller
canister, if necessary. Go to step 13.
14. Did this action correct the problem?
Yes – Go to step 14.
—
No – If the problem is not resolved, contact your Technical Support
—
representative.
15. Using the LEDs and the storage management software, check the status of all of
the trays in the storage array.
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)
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