Reference Guide

Upgrading a Single Stack Unit
You can manually upgrade the Dell Networking OS 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 Dell Networking OS version, follow these steps.
1. Download the Dell networking OS image from the master's boot partition to the member unit, and
upgrade the relevant boot partition in the single stack-member unit.
EXEC Privilege
upgrade system stack-unit unit-number partition
2. Reboot the stack unit from the master switch to load the Dell Networking OS image from the same
partition.
CONFIGURATION mode
boot system stack-unit unit-number primary system partition
3. Save the configuration.
CONFIGURATION mode
write memory
4. Reset the stack unit to activate the new Dell Networking OS version.
EXEC Privilege
power-cycle stack-unit unit-number
The following example shows how to upgrade an individual stack unit.
Dell# upgrade system stack-unit 2 A:
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!
Image upgraded to Stack unit 2
Dell# configure
Dell(conf)# boot system stack-unit 2 primary system: A:
Dell(conf)# end
Dell#Jan 3 14:27:00: %STKUNIT0-M:CP %SYS-5-CONFIG_I: Configured from console
Dell# 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
!!!!
....
Dell# power-cycle stack-unit 2
Proceed with power-cycle? Confirm [yes/no]:yes
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Stacking