Brocade Network OS Command Reference v4.1.0 - Manual (Page 353)

Network OS Command Reference 315
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ha failover
2
ha failover
Initiates a failover from the active to the standby management module (MM).
Synopsis ha failover
Operands None
Defaults None
Command Modes Privileged EXEC mode
Description Use this command to force a failover from the active to the standby MM. When the process
completes, the former standby takes over as the active MM. If the active and standby MMs are not
synchronized, the command aborts.
Usage Guidelines With the introduction of Network OS 4.0, failover is no longer disruptive for all Layer 2.
The following summarizes the behavior of the ha failover command under a variety of conditions.
The modes are as follows:
Examples To perform a failover:
switch# ha failover
See Also ha failover, ha enable, ha sync start, ha sync stop, reload, show ha
Mode Definition
FC Fabric Cluster. In FC mode, the data path for nodes is distributed, but the
configuration path is not distributed. Each node maintains its own
configuration database. This command causes a warm recovery.
LC Logical chassis cluster. In LC mode, both the data path and the configuration
path are distributed. This command causes a cold recovery.
Behavior of the ha failover command
HA synchronized HA not synchronized
Active Standby Active Standby
Reboots the active MM. In FC mode, there is a
warm recovery on the
standby MM.
In MC mode there is
always a cold recovery.
Not allowed. Not allowed.