Specifications

2–30 Compaq StorageWorks HSG80 Array Controller ACS Version 8.5 Maintenance and Service Guide
12. Disconnect the PC or terminal from the controller maintenance port.
Replacing a Cache Module in a Dual-Redundant Controller
Configuration
Use the following steps in “Removing a Cache Module in a Dual-Redundant Controller
Configuration” and “Installing a Cache Module in a Dual-Redundant Controller
Configuration” to replace a cache module.
NOTE: The new cache module must contain the same memory configuration as the cache
module being replaced.
Removing a Cache Module in a Dual-Redundant Controller
Configuration
Use the following steps to remove a cache module:
1. Connect a PC or terminal to the maintenance port of the operational controller.
The controller connected to becomes “this controller;” the controller for the cache
module being removed becomes the “other controller.”
2. Disable failover and take the controllers out of their dual-redundant configuration with
the following command:
SET NOFAILOVER
3. Start FRUTIL with the following command:
RUN FRUTIL
The following display appears:
Do you intend to replace this controller’s cache battery? Y/N
4. Enter N(o). The following menu appears:
FRUTIL Main Menu:
1. Replace or remove a controller or cache module
2. Install a controller or cache module
3. Replace a PVA module
4. Replace an I/O module
5. Exit
Enter choice: 1, 2, 3, 4, or 5 ->