32 Fabric OS Administrator’s Guide
53-1002446-01
Switch activation and deactivation
2
Switch activation and deactivation
By default, the switch is enabled after power is applied and diagnostics and switch initialization
routines have finished. You can disable and re-enable the switch as necessary.
Disabling a switch
1. Connect to the switch and log in using an account assigned to the admin role.
2. Enter the switchDisable command.
All Fibre Channel ports on the switch are taken offline. If the switch is part of a fabric, the fabric
is reconfigured.
Enabling a switch
1. Connect to the switch and log in using an account assigned to the admin role.
2. Enter the switchEnable command.
All Fibre Channel ports that passed Power On Self Test (POST) are enabled. If the switch has
inter-switch links (ISLs) to a fabric, it joins the fabric.
Switch and Backbone shutdown
To avoid corrupting your file system, Brocade recommends that you perform graceful shutdowns of
Brocade switches and Backbones.
Warm reboot (also known as graceful shutdown) refers to shutting down the switch or platform by
way of the following instructions. Cold boot (also known as a hard boot) refers to shutting down the
switch or platform by suddenly shutting down power and powering on again.
Powering off a Brocade switch
The following procedure describes how to gracefully shut down a switch.
1. Connect to the switch and log in using an account assigned to the admin role.
2. Enter the sysShutdown command.
3. Enter y at the prompt.
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
4. Wait until the following message displays:
Broadcast message from root (ttyS0) Wed Jan 25 16:12:09 2006...
The system is going down for system halt NOW !!
INIT: Switching to runlevel: 0
INIT: Sending processes the TERM signal
Unmounting all filesystems.
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