IBM FAStT500 User Guide - Page 29

Operating the controller unit, Tasks overview

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Chapter 2. Operating the controller unit This chapter describes the tasks required to operate the controller unit. Tasks overview Perform the tasks shown in Table 1 to maintain the controller unit after it is installed. Table 1: Tasks overview Task Description See Accessing the controls To access the controller CRUs, battery, controller "Accessing the fan, and indicator lights, you must remove the controls" on page controller unit bezel. 11 Turning on or off the power The controller unit usually runs continuously. However, you might need to turn off and on the power to move the controller unit or to perform maintenance procedures. "Turning on the power" on page 12 and "Turning off the power" on page 13 Monitoring controller unit status through software Run the storage-management software continuously. This software checks the storage subsystem for failures and displays messages indicating the type of failure and the recovery procedure. "Monitoring status through software" on page 14 Checking fault indicator lights for component failures Component failures are indicated by lights on the front and back of the controller unit and are monitored by the storage-management software. Note: The indicator lights identify problems with the controller unit components, but you might need more information to thoroughly diagnose and repair the unit. Therefore, it is important to use the storage-management software to continuously monitor the status of the controller unit. "Checking the indicator lights" on page 15 © Copyright IBM Corp. 2000, 2002 9

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©
Copyright IBM Corp. 2000, 2002
9
Chapter 2. Operating the controller unit
This chapter describes the tasks required to operate the controller unit.
Tasks overview
Perform the tasks shown in
Table 1
to maintain the controller unit after it is installed.
Table 1: Tasks overview
Task
Description
See
Accessing the controls
To access the controller CRUs, battery, controller
fan, and indicator lights, you must remove the
controller unit bezel.
"Accessing the
controls" on page
11
Turning on or off the power
The controller unit usually runs continuously.
However, you might need to turn off and on the
power to move the controller unit or to perform
maintenance procedures.
"Turning on the
power" on page 12
and
"Turning off
the power" on
page 13
Monitoring controller unit
status through software
Run the storage-management software
continuously. This software checks the storage
subsystem for failures and displays messages
indicating the type of failure and the recovery
procedure.
"Monitoring status
through software"
on page 14
Checking fault indicator
lights for component failures
Component failures are indicated by lights on the
front and back of the controller unit and are
monitored by the storage-management software.
Note:
The indicator lights identify problems
with the controller unit components, but you
might need more information to thoroughly
diagnose and repair the unit. Therefore, it is
important to use the storage-management
software to continuously monitor the status of the
controller unit.
"Checking the
indicator lights" on
page 15