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
Software Download Process
Use the software download procedure to upgrade to a later version, or downgrade to an earlier version,
of an operating system. This section describes the software download process for the Cisco MDS
SAN-OS and includes the following topics:
•
•
•
•
•
Determining the Software Version
To determine the version of Cisco MDS SAN-OS software currently running on a Cisco MDS 9000
Family switch using the CLI, log in to the switch and enter the show version EXEC command.
To determine the version of Cisco MDS SAN-OS software currently running on a Cisco MDS 9000
Family switch using the Fabric Manager, view the Switches tab in the Information pane, locate the
switch using the IP address, logical name, or WWN, and check its version in the Release column.
Note
We strongly recommend that you use the latest available software release supported by your vendor for
all Cisco MDS 9000 Family products.
Downloading Software
The Cisco MDS SAN-OS software is designed for mission-critical high availability environments. To
realize the benefits of nondisruptive upgrades on the Cisco MDS 9500 Directors, we highly recommend
that you install dual supervisor modules.
To download the latest Cisco MDS SAN-OS software, access the Software Center at this URL:
http://www.cisco.com/public/sw-center
See the following sections in this release note for details on how you can nondisruptively upgrade your
Cisco MDS 9000 switch. Issuing the install all command from the CLI, or using Fabric Manager to
perform the downgrade, enables the compatibility check. The check indicates if the upgrade can happen
nondisruptively or disruptively depending on the current configuration of your switch and the reason.
Compatibility check is done:
Module
------
At a minimum, you need to disable the default device alias distribution feature using the no device-alias
distribute command in global configuration mode. The show incompatibility system
bootflash:1.3(x)_filename command determines which additional features need to be disabled.
OL-14116-11
Determining the Software Version, page 7
Downloading Software, page 7
Selecting the Correct Software Image for an MDS 9200 Series Switch, page 8
Migrating from Supervisor-1 Modules to Supervisor-2 Modules, page 9
Configuring Generation 2 Switching Modules, page 9
bootable
Impact
--------
--------------
1
yes
non-disruptive
2
yes
disruptive
3
yes
disruptive
4
yes
non-disruptive
5
yes
non-disruptive
6
yes
non-disruptive
Cisco MDS 9000 Family Release Notes for Cisco MDS SAN-OS Release 3.3(3)
Install-type
Reason
------------
------
rolling
rolling
Hitless upgrade is not supported
rolling
Hitless upgrade is not supported
rolling
reset
reset
Software Download Process
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