C H A P T E R 2 Troubleshooting Installs, Upgrades, And Reboots; Guidelines; Guidelines For Installations; Guidelines For Upgrading - Cisco 9134 - MDS Multilayer Fabric Switch Troubleshooting Manual

Guidelines

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
Guidelines
This sections lists general guidelines for performing Cisco SAN-OS software installations, image
upgrade and downgrade procedures, and reboots, and it includes the following topics:
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Guidelines for Installations

Follow these guidelines when installing Cisco SAN-OS software images:
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Guidelines for Upgrading

Not all images need to be updated during an upgrade. Use the following checklist to prepare for an
upgrade:
Checklist
Copy the new Cisco SAN-OS image onto your supervisor modules in bootflash: or slot0:.
Save your running configuration to the startup configuration.
Backup a copy of your configuration to a remote TFTP server.
Schedule your upgrade during an appropriate maintenance window for your fabric.
Verify that you have the correct image for your supervisor module type.
Verify that no SSM ports are configured in auto mode.
After you have completed the checklist, you are ready to upgrade the switches in your fabric.
It is normal for the active supervisor to become the standby supervisor during an upgrade.
Note
Follow these guidelines when upgrading or downgrading Cisco SAN-OS software images:
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Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
2-2
Guidelines for Installations, page 2-2
Guidelines for Upgrading, page 2-2
Guidelines for Reboots, page 2-4
Ensure that an FTP or TFTP server is available and can be accessed via the IP address of the default
gateway (rather than any other IP address on the defined subnet).
Use the show install all impact CLI command to verify that the new image is healthy and the impact
that new load will have on any hardware with regards to compatibility. Check for compatibility.
Choose Admin > Show Image Version in the Device Manager to view information on images in the
directories of the MDS file system.
Read the Cisco SAN-OS Release Notes for the release you are upgrading or downgrading to. Cisco
SAN-OS Release Notes are available at the following website:
http://cisco.com/en/US/products/ps5989/prod_release_notes_list.html
Ensure that an FTP or TFTP server is available.
Chapter 2 Troubleshooting Installs, Upgrades, and Reboots
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