Chapter 3. Using and maintaining the switch
This chapter provides information about operating and maintaining the switch and
includes these topics.
v “Powering the switch on and off”
v “Interpreting LEDs”
v “POST and boot specifications” on page 28
v “Interpreting POST results” on page 29
v “SAN24B-5 maintenance” on page 29
v “SAN24B-5 management” on page 30
Powering the switch on and off
Complete the following steps to power the switch on. These steps apply to the
base model of the switch which has a single power supply. Repeat any steps for a
second power supply, if installed.
1. Connect the power cord to the power connector on the power supply and to
the power source.
2. Set the AC power switch to “|”.
Power is supplied to the switch as soon as the first power supply is connected
and powered on.
The switch runs POST by default each time it is powered on; it can take several
minutes to boot and complete POST. .
To power the switch off, complete the following steps.
1. Enter the sysShutDown command.
switch:admin> sysshutdown
This command will shutdown the operating systems on your
switch. You are required to power-cycle the switch in
order to restore operation.
Are you sure you want to shutdown the switch [y/n]? y
Broadcast message from root (ttyS0) Mon Mar 12 17: \
52:12 2012...
The system is going down for system halt NOW !!
INIT: Switching to runlevel:
INIT: Sending processes the TERM signal
switch:root> Unmounting all filesystems.
The system is halted
flushing ide devices: hda
Power down.
2. Set the AC power switches to O.
All devices are returned to their initial state the next time the switch is
powered on.
Attention: Power is still supplied to the switch if any power cord is connected.
To fully remove power from the switch, all power cords must be disconnected.
Interpreting LEDs
System activity and status can be determined through the activity of the LEDs on
the switch.
© Copyright IBM Corp. 2012 25
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