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Cisco MDS 9000 Family Command Reference
OL-16217-01, Cisco MDS SAN-OS Release 3.x
Chapter 21 S Commands
system switchover (EXEC mode)
system switchover (EXEC mode)
To specifically initiate a switchover from an active supervisor module to a standby supervisor module,
use the system switchover command in EXEC mode.
system switchover
Syntax Description This command has no arguments or keywords.
Defaults None.
Command Modes EXEC mode.
Command History
Usage Guidelines Any switchover function is nonrevertive. Once a switchover has occurred and the failed processor has
been replaced or successfully restarted, you cannot switch back to the original, active supervisor module
(unless there is a subsequent failure or you issue the system switchover command).
Examples The following example initiates a HA switchover from an active supervisor module to a standby
supervisor module.
switch# system switchover
Related Commands
Release Modification
1.3(1) This command was introduced.
Command Description
show version
compatibility
Determines version compatibility between switching modules.
show module Displays the HA-standby state for the standby supervisor module.
show system
redundancy status
Determines whether the system is ready to accept a switchover.
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