Software Upgrade Methods - 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
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Prior to Cisco SAN-OS Release 3.0, to preserve the FC IDs in your configuration, verify that the
Note
persistent FC ID feature is enabled before rebooting. This feature is enabled by default. In earlier
releases, the default is disabled. See the

Software Upgrade Methods

You can upgrade software without any disruptions using the Cisco MDS SAN-OS software 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.
You can upgrade any switch in the Cisco MDS 9000 Family using one of the following methods:
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The install all command compares and presents the results of the compatibility before proceeding with
Tip
the installation. You can exit if you do not want to proceed with these changes.
In some cases, regardless of which process you use, the software upgrades may be disruptive. These
exception scenarios can occur under the following conditions:
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OL-16184-01, Cisco MDS SAN-OS Release 3.x
Commands
Verify connectivity to the remote serverusing the ping command.
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Ensure that the required space is available for the image files to be copied using the dir
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command.
We recommend the one-step install all command to upgrade your software. This command
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upgrades all modules in any Cisco MDS 9000 Family switch (see the
install all Command" section on page
Run only one installation on a switch at any time.
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– Do not issue another command while running the installation.
– Do the installation on the active supervisor module, not the standby supervisor module.
If the switching module(s) are not compatible with the new supervisor module image, some
Note
traffic disruption may be noticed in the related modules, depending on your configuration.
These modules are identified in the summary when you issue the install all command. You
can choose to proceed with the upgrade or end at this point.
When you issue the install all command, the switch displays a summary of changes that are
Note
made to your configuration.
Automated, one-step upgrade using the install all command. This upgrade is nondisruptive for
directors in the Cisco MDS 9500 Series (see the
Quick, one-step upgrade using the reload command. This upgrade is disruptive (see the
Upgrade" section on page
A single supervisor module system with kickstart or system image changes.
A dual supervisor module system with incompatible system software images.
7-7).
"FC IDs" section on page
"Automated Upgrades" section on page
7-31).
Cisco MDS 9000 Family CLI Configuration Guide
Software Upgrade Methods
"Benefits of Using the
17-14.
"Quick
7-6).
7-5