Technical data

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Compaq HSZ80 Array Controller ACS Version 8.3 Maintenance and Service Guide
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 it’s replacing.
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 operational controller’s maintenance port. The
controller to which you’re connected is “this controller”; the controller that
you’re removing is 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
FRUTIL displays the following:
Do you intend to replace this controller’s cache battery? Y/N
4. Enter N(o). FRUTIL displays the FRUTIL Main menu:
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 ->