Quick Upgrade; Downgrading From A Higher Release - HP Cisco MDS 9020 - Fabric Switch Configuration Manual

Chapter 7 Software Images
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m

Quick Upgrade

To perform a quick upgrade on a Cisco MDS 9000 Family switch, follow these steps:
Step 1 Copy the kickstart and system image files to the required location (see the
Files" section on page
Set the boot variables.
Step 2
switch# config t
switch(config)# boot system system-img
switch(config)# boot kickstart kickstart-img
switch(config)# exit
switch#
Step 3 Issue the reload command. The reload command reboots the system. This upgrade is disruptive.
Tip

Downgrading from a Higher Release

Use the install all command to gracefully reload the switch and handle configuration conversions. When
downgrading any switch in the Cisco MDS 9000 Family, avoid using the reload command.
If you downgrade from Cisco MDS SAN-OS Release 3.1(3) to any earlier SAN-OS release after you
Note
execute the system default switchport mode F command, the ports retain the configuration that
resultedfrom the execution of the command. In other words, the ports do not revert back to the mode they
were in prior to executing the command.
For example, to revert to Cisco MDS SAN-OS Release 1.3(4b) or 1.3(5) from Release 3.0(1), follow
these steps:
Issue the show incompatibility system image-filename command to determine if you need to disable
Step 1
any features not supported by the older release. The command output provides the commands needed to
disable the incompatible features.
switch# show incompatibility system bootflash:m9200-ek9-mz.1.3.4b.bin
The following configurations on active are incompatible with the system image
1) Service : cfs , Capability : CAP_FEATURE_CFS_ENABLED_DEVICE_ALIAS
Description : CFS - Distribution is enabled for DEVICE-ALIAS
Capability requirement : STRICT
Disable command : no device-alias distribute
Disable the incompatible features.
Step 2
switch# config t
switch(config)# no device-alias distribute
switch(config)# exit
switch#
OL-16184-01, Cisco MDS SAN-OS Release 3.x
8-5).
Use the install all command to gracefully reload the switch and handle configuration
conversions.
"Copying Configuration
Cisco MDS 9000 Family CLI Configuration Guide
Quick Upgrade
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