Powering down the chassis
About this task
Perform the following steps to power down the chassis.
Procedure
1.
Shut down the chassis using 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
HA is disabled
Stopping blade 1
Shutting down the blade....
Stopping blade 2
Shutting down the blade....
Stopping blade 8
Shutting down the blade....
Broadcast message from root (pts/1) Tue Aug 23 14:23:06 2010...
The system is going down for system halt NOW !!
Note:
If you do not use the
sysshutdown
command and you sequence power off on power
distribution units (PDU) with a few seconds between power-offs, be aware that a low-power
condition will be detected and logged along with possible blade power-offs before shutdown. This is
an expected error condition due to delays in powering down PDUs without halting the control
processors first using
sysShutdown
.
2.
Power off the chassis by disconnecting all power cords or switching off rack power source.
Note that power supply LEDs will continue to flash green briefly after disconnecting power until
power supply is completely off.
3.
To disconnect power cables from HVAC/HVDC power supplies only, use the following steps.
a.
Remove the cable restraint cover, if installed under the power cord connector, by unscrewing the
two torx head screws.
1. Torx head screws
2. Metal cable restraint cover
62
SAN256B-6 Installation, Service, and User Guide
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