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
121HP StorageWorks HSG60 and HSG80 Array Controller and Array Controller Software
Maintenance and Service Guide
To differentiate on which component activity is being completed, symbols are
displayed in the margin of text for your convenience. Table 9 describes those
symbols.
Caution: Electrostatic discharge (ESD) can easily damage the controller.
Wear a snug-fitting, grounded ESD wrist strap when completing controller
removal and installation procedures.
Removing array controllers in dual-redundant controller configurations
Perform the following steps to remove a controller in a dual-redundant controller
configuration:
 1. If the controller to be replaced () is functional, complete the following
substeps. Otherwise, go to step 2 on page 122:
 a. Connect a PC or terminal to the maintenance port of the controller.
 b. Press Enter or Return 2 or 3 times to display the controller prompt.
c. Start the Virtual Terminal Display (VTDPY) Utility by entering the
following command:
RUN VTDPY
 d. Record which units have I/O activity.
 e. Exit VTDPY by pressing Ctrl+Y.
Table 9: Replacement Procedure Symbols
Symbol Description

Indicates that the procedural step must be
completed for the
operational controller,
which is not being replaced.
 Indicates that the procedural step must be
completed for the
controller or cache
module that has failed or is to be replaced .
H
Indicates that the procedural step must be
completed for the field replaceable unit
(FRU), new or replacement controller, or
new or replacement cache module being
installed
.