Command Line Reference Guide
redundancy force-failover
Force the stand by stack-unit to become the primary stack-unit.
S5000
Syntax
redundancy force-failover {stack-unit}
Parameters
stack-unit Enter the keyword stack-unit to force a peer stack-unit to
become the management stack-unit.
Default Not configured.
Command Modes EXEC Privilege
Command History
Version 9.0(1.3) Introduced on the S5000.
Usage
Information
Use this command to provide a hitless or warm upgrade. A hitless upgrade means that a
software upgrade requires a stack-unit to be reset but not rebooted. A warm upgrade is
possible for major releases and lower, while a hitless upgrade can only support patch
releases.
Example
FTOS#redundancy force-failover stack-unit
System configuration has been modified. Save? [yes/no]: yes
!
Jan 1 00:15:31: %STKUNIT2-M:CP %FILEMGR-5-FILESAVED: Copied
running-config to startup-config in flash by default
Synchronizing data to peer Stack-unit
!!!!
...
Proceed with Stack-unit hot failover [confirm yes/no]:yeJan 1
00:15:45: %STKUNIT2-M:CP %SYS-5-CONFIG_I: Configured from vty0
( 10.11.8.13 )by admin
s
f10StkATPResetReq: Requesting ATP reset from: 1 reason: 4
disableAutoReboot 0
syncing disks... done
unmounting file systems...
redundancy protocol
Enable hitless protocols.
S5000
Syntax
redundancy protocol {lacp | xstp}
To disable a hitless protocol, use the no redundancy protocol {lacp | xstp}
command.
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