Technical data

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Compaq HSZ80 Array Controller ACS Version 8.3 Maintenance and Service Guide
Upgrading to a Dual-Redundant Controller
Configuration
Use the following steps to upgrade a single-configuration subsystem to a dual-
redundant configuration subsystem. To replace failed components, see Chapter 2,
“Replacement Procedures,” for more information. Before you complete this
procedure, you’ll need the following items:
■ Controller with the same software version and patch level that’s installed on the
subsystem’s current single controller
■ Cache module with the same memory configuration that’s installed in the current
cache module
■ ECB storage building block (SBB) for a dual-redundant configuration
■ ECB cable
Installing a New Controller, Cache Module, and
ECB
Use the following steps to install a new controller, cache module and ECB:
1. Connect a PC or terminal to the controller’s maintenance port. The controller to
which you’re connected is “this controller”; the controller that you’re installing is
the “other controller.”
2. Start FRUTIL with the following command:
RUN FRUTIL
FRUTIL displays the following:
Do you intend to replace this controller’s cache battery? Y/N