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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 Images
This chapter describes how to install and upgrade software images. It includes the following sections:
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About Software Images
Each switch is shipped with a Cisco MDS SAN-OS operating system for Cisco MDS 9000 Family
switches. The Cisco MDS SAN-OS consists of two images—the kickstart image and the system image.
To upgrade the switch to a new image, you must specify the variables that direct the switch to the images.
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The images and variables are important factors in any install procedure. You must specify the variable
and the image to upgrade your switch. Both images are not always required for each install.
Unless explicitly stated, the software install procedures in this section apply to any switch in the Cisco
Note
MDS 9000 Family.
OL-6973-03, Cisco MDS SAN-OS Release 2.x
About Software Images, page 6-1
Essential Upgrade Prerequisites, page 6-2
Software Upgrade Methods, page 6-4
Automated Upgrades, page 6-5
Upgrade Status Verification, page 6-18
Manual Upgrade on a Dual Supervisor Switch, page 6-19
Quick Upgrade, page 6-25
Downgrading from a Higher Release, page 6-25
Maintaining Supervisor Modules, page 6-27
Replacing Modules, page 6-27
Corrupted Bootflash Recovery, page 6-28
Default Settings, page 6-40
To select the kickstart image, use the KICKSTART variable.
To select the system image, use the SYSTEM variable.
C H A P T E R
Cisco MDS 9000 Family Configuration Guide
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