Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 6.2(1) (OL-29201-01, April 12, 2013)

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Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 6.2(1)
OL-29201-01
Downgrading Your Cisco MDS SAN-OS Software Image
FICON Downgrade Paths
Table 19 lists the downgrade paths for FICON releases. Find the image release number that you want to
downgrade to in the To Release with FICON Enabled column of the table and follow the recommended
downgrade path.
All 2.0(x) releases.
1. Downgrade from NX-OS Release 6.2(1).
2. Downgrade from NX-OS Release 5.2(x).
3. Downgrade to NX-OS Release 5.0(x).
4. Downgrade to NX-OS Release 4.2(x) or Release 4.1(x).
5. Downgrade to SAN-OS Release 3.3(x).
6. Downgrade to SAN-OS Release 2.1(2x).
7. Downgrade to SAN-OS Release 2.0(x).
Release 1.x
1. Downgrade from NX-OS Release 6.2(1).
2. Downgrade from NX-OS Release 5.2(x).
3. Downgrade to NX-OS Release 5.0(x).
4. Downgrade to NX-OS Release 4.2(x) or Release 4.1(x).
5. Downgrade to SAN-OS Release 3.3(x).
6. Downgrade to SAN-OS Release 2.1(2b).
7. Downgrade to SAN-OS Release 1.3(4a).
8. Downgrade to SAN-OS Release 1.x.
Table 18 Nondisruptive Downgrade Path from NX-OS Release 6.2(1 (continued)
To NX-OS or SAN-OS
Release Nondisruptive Downgrade Path and Ordered Downgrade Steps
Table 19 FICON Downgrade Path
To Release with FICON Enabled Downgrade Path
NX-OS Release 4.2(7b) You can nondisruptively downgrade directly from NX-OS Release 5.2(2)
NX-OS Release 4.2(1b) You can nondisruptively downgrade directly from NX-OS Release 4.2(7b).
NX-OS Release 4.1(1c) You can nondisruptively downgrade directly from NX-OS Release 4.2(1b).
SAN-OS 3.3(1c) You can nondisruptively downgrade directly from NX-OS Release 4.1(1c).
SAN-OS 3.2(2c) First downgrade to SAN-OS Release 3.3(1c) and then downgrade to Release
3.2(2c).
SAN-OS 3.0(3b) First downgrade to SAN-OS Release 3.3(1c) and then downgrade to Release
3.0(3b).
SAN-OS 3.0(2) First downgrade to SAN-OS Release 3.3(1c) and then downgrade to Release
3.0(2).