Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 5.2(2) (OL-25090-02 F0, January 2012)

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Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 5.2(2)
OL-25090-02
Downgrading Your Cisco MDS SAN-OS Software Image
Table 12 lists the SAN-OS and NX-OS releases that are certified for FICON. Refer to the specific release
notes for FICON upgrade path information.
Use Table 13 to determine the nondisruptive upgrade path for FICON-certified releases. Find the image
release number you are currently using in the Current Release with FICON Enabled column of the table
and follow the recommended path.
Downgrading Your Cisco MDS SAN-OS Software Image
This section lists the guidelines recommended for downgrading your Cisco MDS SAN-OS software
image and includes the following topics:
• Downgrading Guidelines Specific to NX-OS Release 5.2(2), page 19
• General Downgrading Guidelines, page 20
Downgrading Guidelines Specific to NX-OS Release 5.2(2)
The following guideline applies to a downgrade from Cisco MDS NX-OS Release 5.2(2):
Table 12 FICON Supported Releases
FICON Supported Releases
NX-OS Release 5.2(2)
Release 4.2(7b)
Release 4.2(1b)
Release 4.1(1c)
SAN-OS Release 3.3(1c)
Release 3.2(2c)
Release 3.0(3b)
Release 3.0(3)
Release 3.0(2)
Release 2.0(2b)
Table 13 FICON Nondisruptive Upgrade Path
Current Release with FICON
Enabled Upgrade Path
NX-OS Release 4.2(7b) You can nondisruptively upgrade directly to NX-OS Release 5.2(2).
NX-OS Release 4.2(1b) You can nondisruptively upgrade directly to NX-OS Release 4.2(7b).
NX-OS Release 4.1(1c) You can nondisruptively upgrade directly to NX-OS Release 4.2(1b).
SAN-OS Release 3.3(1c) You can nondisruptively upgrade directly to NX-OS Release 4.2(1b).
SAN-OS Release 3.2(2c),
3.0(3b), 3.0(3), and 3.0(2).
First upgrade to SAN-OS Release 3.3(1c), and then upgrade to NX-OS
Release 4.2(1b).