User`s guide

• Run DILX—Use the default answers to the test questions (see Chapter 7).
This tests all disk devices in your subsystem.
DILX tests logical units that can consist of storagesets or physical devices.
Error reports identify the logical units, not the physical devices. Therefore,
if errors occur while running against a storageset, the storageset should be
reconfigured as individual devices, and then DILX run against the individual
devices.
• Run TILX—Use the default answers to the test questions (see Chapter 7).
This tests all tape devices in your subsystem.
5.5 How to Use and Interpret the Controller OCP Buttons and LEDs
The HS array controller modules have attached operator control panels (OCPs),
sometimes called bus quiesce panels. Depending on the controller model, the
OCPs have a reset button and from three to six port buttons. A green LED is
embedded in the OCP reset (//) button. Amber LEDs are used to report error code
information.
The green button with embedded LED on the OCP is the controller reset (//)
button. The use of the reset (//) button and the remaining port buttons can vary
depending on whether the controller is initializing or in normal operation.
Port device buttons and associated LEDs are numbered one through six (with one
being closest to the reset button) for those models with six port buttons. Models
with three ports are numbered one through three. However, all six amber LEDs
are used to report error code information on controllers with three ports.
5.5.1 Uses of the OCP Buttons and LEDs
The buttons and LEDs on the OCP are used in two ways:
• During controller initialization, the LEDs report diagnostic errors and the
state of the controller.
• After the initialization process has completed, the port buttons and their
amber LEDs are used to perform warm swap procedures for the devices
attached to the controller.
Refer to Figure 5–2 for the location of the OCP reset (//) and Port Quiesce
buttons (on an HSJ40 array controller). The reset (//) and port quiesce
buttons are located in a similar location for the other HS array controller
models.
5.5.2 How the OCP Functions
At the moment controller initialization begins, hardware turns on the green LED
in the reset (//) button, with the remaining LEDs turned off. This denotes the
initialization state.
If at any point in the initialization sequence an error is found by controller
diagnostics, the amber OCP LEDs are illuminated by the controller diagnostics,
indicating an error has been detected.
Figure 5–3 shows the solid OCP LED error codes displayed when a failure
occurs during initialization. Figure 5–4 shows the flashing OCP LED error codes
displayed when failures occur during controller initialization.
5–18 Controller Operations