Guidelines For Upgrading And Downgrading Cisco Mds Nx-Os Releases - Cisco MDS 9000 Series Configuration Manual

Guidelines for Upgrading and Downgrading Cisco MDS NX-OS Releases

SUMMARY STEPS
1. Log into the switch through the console port, an SSH session, or a Telnet session.
2. Display the values assigned to the SSI image boot variable for each module and note the values for later
reference.
3. Clear the values assigned to the SSI image boot variable.
4. Reload the SSM to initialize in Fibre Channel switching mode.
5. After the SSM initializes, upgrade the SSI boot image.
6. Reassign the SSI boot variables cleared in Step 3.
DETAILED STEPS
Step 1 Log into the switch through the console port, an SSH session, or a Telnet session.
Step 2 Display the values assigned to the SSI image boot variable for each module and note the values for later reference.
switch# show boot module
Module 2
ssi variable = modflash://2-1/m9000-ek9-ssi-mz.2.1.2.bin
Module 4
ssi variable = modflash://4-1/m9000-ek9-ssi-mz.2.1.2.bin
Step 3 Clear the values assigned to the SSI image boot variable.
switch# configure terminal
switch(config)# no boot ssi
Step 4 Reload the SSM to initialize in Fibre Channel switching mode.
switch# reload module 4
reloading module 4 ...
Step 5 After the SSM initializes, upgrade the SSI boot image.
Step 6 Reassign the SSI boot variables cleared in Step 3.
switch# configure terminal
switch(config)# boot ssi modflash://2-1/m9000-ek9-ssi-mz.2.1.2.bin module 2
Guidelines for Upgrading and Downgrading Cisco MDS NX-OS Releases
Consider the following guidelines when upgrading and downgrading the Cisco MDS NX-OS software on a
switch containing an SSM:
Cisco MDS 9000 Family NX-OS Fundamentals Configuration Guide
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Managing Modules
OL-29291-02