Configuring The Dual Controllers - Compaq StorageWorks RAID Array 3000 Controller Shelf User Manual

4-12 RAID Array 3000 Controller Shelf Hardware User's Guide

Configuring the Dual Controllers

5. Select Setup Parameters from the main menu.
6. Select Rdnt Ctrlr Parameters and change the value of Host I/O Channel 1
to Passive. Press the Ctrl+Z keys to exit.
7. Transfer the serial cable to the serial port on the bottom controller and press
the Ctrl+Z keys. When the Monitor Utility screen appears, press any key to
continue.
8. Select Setup Parameters and then select Rdnt Ctrlr Parameters from the
main menu.
9. Both channels should be displayed as Passive. Select the host I/O channel that
was not reconfigured in step 5 and change its value to Active. Press the Ctrl+Z
keys to exit.
10. Restart the controllers by power cycling the RA3000 storage system.
11. Recheck the Rdnt Ctrlr Parameters. The controller values should display
Active/Passive.
12. Transfer the serial cable to the serial port on the top controller on the RA3000
and press the Ctrl+Z keys.
13. Check the Rdnt Ctrlr Parameters. The controller values should display
Passive/Active.
Your storage system is now properly configured for dual controller operation
from a single serial host port. Proceed to the next section to configure the
controllers.
In order to create a virtual disk, a serial connection must be made to the
controller. The serial connection provides a local connection to the RA3000
(HSZ22) controller. To configure the controller, perform the following steps:
1. Ensure the RA3000 Storage System is turned off.
2. Connect the serial cable between the host serial connector and the top
controller's serial port connector.
3. Power on the RA3000 storage system.
4. Open the StorageWorks Management Utility.