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5–110 CLI Commands
SET FAILOVER
Configures both controllers to operate in a dual-redundant, transparent failover,
configuration. This allows both controllers to access the storage devices, providing
controller fault-tolerant data processing. If one of the two controllers fails, the devices
and any cache attached to the failed controller become available to and accessible
through the other controller.
NOTE: The controllers must be present and placed in non-failover mode by
entering the SET NOFAILOVER command before they can be set to failover mode.
Syntax
SET FAILOVER COPY=controller
Parameters
THIS_CONTROLLER
OTHER_CONTROLLER
Specifies which controller contains the source configuration for the copy. The
companion controller receiving the configuration information restarts after the
command is carried out.
CAUTION: Make sure you know which controller has the good configu-
ration information before entering this command. The device configura-
tion information from the controller specified by the
controller
parameter
overwrites the information on the companion controller.
Specify THIS_CONTROLLER to copy the device configuration information from
“this controller” to “other controller.”
Specify OTHER_CONTROLLER to copy the device configuration information from
“other controller” to “this controller.”
Due to the amount of information being passed from one controller to the other, this
command may take up to one minute to complete.