Cisco DS-X9530-SF1-K9 - Supervisor-1 Module - Control Processor Troubleshooting Guide download pdf (Page 7)

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Cisco MDS 9000 Family Release Notes for Cisco MDS SAN-OS Release 3.2(3)

OL-14116-04

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, 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

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 bootable Impact Install-type Reason

------ -------- -------------- ------------ ------

1 yes non-disruptive rolling

2 yes disruptive rolling Hitless upgrade is not supported

3 yes disruptive rolling Hitless upgrade is not supported

4 yes non-disruptive rolling

5 yes non-disruptive reset

6 yes non-disruptive reset

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.

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Cisco DS-X9530-SF1-K9 - Supervisor-1 Module - Control Processor Troubleshooting Guide Page 7