HP StorageWorks HSG60 and HSG80 Array Controller and Array Controller Software Maintenance and Service Guide (EK-G80MS-SA. C01, March 2005)

Common Replacement Information and Procedures
78 HP StorageWorks HSG60 and HSG80 Array Controller and Array Controller Software
Maintenance and Service Guide
Replacing an HSG60 and HSG80 DIMM in dual-redundant controller
configurations
Use the steps in “Removing a GLM” and “Installing a GLM” to replace DIMMS
in a cache module:
Note: If you are upgrading cache memory, be sure to install a valid memory
configuration (see Figure 25 on page 70). Failure to do so results in an inoperable
controller and increases subsystem down-time. Both cache modules
must contain the
same memory configuration for the ACS version.
Caution: Static electricity can easily damage a cache module or a DIMM.
Wear a snug-fitting, grounded electrostatic discharge (ESD) wrist strap.
Removing DIMMs
Use the following steps to remove DIMMs from a cache module in
dual-redundant configurations:
1. Connect a PC or terminal to the maintenance port of the operational
controller.
The controller connected to the PC or terminal becomes “this controller”; the
controller for the cache module being removed becomes the “other
controller.”
2. Disable failover, and then take the controllers out of the dual-redundant
configuration with one of the following commands:
SET NOFAILOVER
or
SET NOMULTIBUS_FAILOVER
3. Start the Field Replacement Utility (FRUTIL) with the following command:
RUN FRUTIL
4. Enter N(o) to the question about replacing the cache battery.
5. Enter 1 to replace or remove a controller or cache module.
6. Enter 3 to replace or remove the “other controller” cache module.