HP Cisco MDS 8/24c Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Rel - Page 22

Downgrading Your Cisco MDS SAN-OS Software Image Send documentation comments to [email protected] Table 14 Nondisruptive Downgrade Path from NX-OS Release 5.2(2) To NX-OS or SAN-OS Release Nondisruptive Downgrade Path and Ordered Downgrade Steps NX-OS: Release 5.2(1) All 5.0(x) releases Downgrade directly form NX-OS Release 5.2(2) Downgrade directly from NX-OS Release 5.2(2)1, 2 All 4.2(x) and 4.1(x) 1. Downgrade to NX-OS Release 5.0(x). releases 2. Downgrade to NX-OS Release 4.2(x) or 4.1(x). SAN-OS: All 3.3(x) releases 1. Downgrade to NX-OS Release 5.0(x). 2. Downgrade to NX-OS Release 4.2(x) or Release 4.1(x). 3. Downgrade to SAN-OS Release 3.3(x). All 3.2(x), 3.1(x), 3.0(x) releases, and all 2.1(x) releases. 1. Downgrade to NX-OS Release 5.0(x). 2. Downgrade to NX-OS Release 4.2(x) or Release 4.1(x). 3. Downgrade to SAN-OS Release 3.3(x). 4. Downgrade to SAN-OS Release 3.2(x), Release 3.1(x)., Release 3.0(x), or Release 2.1(x). All 2.0(x) releases. 1. Downgrade to NX-OS Release 5.0(x). 2. Downgrade to NX-OS Release 4.2(x) or Release 4.1(x). 3. Downgrade to SAN-OS Release 3.3(x). 4. Downgrade to SAN-OS Release 2.1(2x). 5. Downgrade to SAN-OS Release 2.0(x). Release 1.x 1. Downgrade to NX-OS Release 5.0(x). 2. Downgrade to NX-OS Release 4.2(x) or Release 4.1(x). 3. Downgrade to SAN-OS Release 3.3(x). 4. Downgrade to SAN-OS Release 2.1(2b). 5. Downgrade to SAN-OS Release 1.3(4a). 6. Downgrade to SAN-OS Release 1.x. 1. If you install a Generation 4 module in an MDS 9509 or MDS 9506 switch and perform a full switch reload following the installation of NX-OS Release 5.2(2), then you cannot nondisruptively download from NX-OS Release 5.2(2) to NX-OS 5.0(x). 2. A downgrade from NX-OS Release 5.2(2) to a release other than Release 5.2(1) disrupts and stops all FCoE traffic because FCoE requires Cisco NX-OS Release 5.2(x). FICON Downgrade Paths Table 15 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. Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 5.2(2) 22 OL-25090-02