Reference Guide

Fabric OS Command Reference 457

53-1002921-02

haEnable

Enables the High Availability feature.

SYNOPSIS haenable

DESCRIPTION Use this command to enable the High Availability (HA) feature on a switch. If the HA feature is already

enabled, this command has no effect.

If the HA feature is disabled, this command enables it. The standby CP reboots as part of the process.

The command displays a warning message and prompts for confirmation before rebooting the CP.

NOTES The execution of this command is subject to Virtual Fabric or Admin Domain restrictions that may be in

place. Refer to Chapter 1, "Using Fabric OS Commands" and Appendix A, "Command Availability" for

details.

OPERANDS None

EXAMPLES To enable the High Availability feature on a Brocade DCX 8510-8:

switch:admin> haenable

Warning: This command will enable the HA. It will reboot the standby

CP and require all telnet, secure telnet, and SSH sessions to the

standby CP to be restarted

Are you sure you want to go ahead [y/n]?y

To verify that High Availability is enabled:

switch:admin> hashow

Local CP (Slot 7, CP1): Active, Warm Recovered

Remote CP (Slot 6, CP0): Standby, Healthy

HA enabled, Heartbeat Up, HA State synchronized