Reference Guide

890 | Stacking
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Upgrading a Single Stack Unit
You can manually upgrade the FTOS image in the boot partition of a member unit from the corresponding
partition in the master unit.
To upgrade an individual stack unit with a new FTOS version, follow these steps:
Figure 47-23 shows an example of how to upgrade an individual stack unit.
Figure 47-23. Upgrading a Single Stack Unit Example
Step Task Command Syntax Command Mode
1 Download the FTOS image from the master's boot
partition to the member unit, and upgrade the
relevant boot partition in the single stack-member
unit.
upgrade system stack-unit
unit-number partition
EXEC Privilege
2 Reboot the stack unit from the master switch to
load the FTOS image from the same partition.
boot system stack-unit unit-number
primary system partition
CONFIGURATION
3 Save the configuration.
write memory
EXEC Privilege
4 Reset the stack unit to activate the new FTOS
version.
power-cycle stack-unit unit-number
EXEC Privilege
FTOS# upgrade system stack-unit 2 A:
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!
Image upgraded to Stack unit 2
FTOS# configure
FTOS(conf)# boot system stack-unit 2 primary system: A:
FTOS(conf)# end
FTOS#Jan 3 14:27:00: %STKUNIT0-M:CP %SYS-5-CONFIG_I: Configured from console
FTOS# write memory
Jan 3 14:27:10: %STKUNIT0-M:CP %FILEMGR-5-FILESAVED: Copied running-config to startup-config in flash
by default
Synchronizing data to peer Stack-unit
!!!!
....
FTOS# power-cycle stack-unit 2
Proceed with power-cycle? Confirm [yes/no]:yes