HP Cisco MDS 9020 Cisco MDS 9000 Family Command Reference - Cisco MDS SAN-OS R - Page 1029

Chapter 21 S Commands system switchover (EXEC mode) Send documentation comments to [email protected] 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 Release 1.3(1) Modification This command was introduced. 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 Command show version compatibility show module show system redundancy status Description Determines version compatibility between switching modules. Displays the HA-standby state for the standby supervisor module. Determines whether the system is ready to accept a switchover. OL-16217-01, Cisco MDS SAN-OS Release 3.x Cisco MDS 9000 Family Command Reference 21-111