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

Replacing BA370, M2100 & M2200 Enclosure Elements
162 HP StorageWorks HSG60 and HSG80 Array Controller and Array Controller Software
Maintenance and Service Guide
Note: The array controller can function with one failed I/O module.
Use the following steps to replace an I/O module:
1. Connect a PC or terminal to the maintenance port of an operational controller.
2. In a dual-redundant controller configuration, disable Failover and take the
controllers out of dual-redundant configuration with one of the following
commands:
SET NOFAILOVER
or
SET NOMULTIBUS_FAILOVER
3. Start FRUTIL by entering the following command:
RUN FRUTIL
4. Enter N(o) to the question about replacing the cache battery.
Note: The array controller supports up to three enclosures. The I/O module status can
show the following states:
Single Ended—OK
Differential—OK
Termination only—OK
Missing or bad
Unknown or bad
N/A (cabinet is not present)