Cisco MDS 9000 Family Release Notes for Cisco MDS SAN-OS Release 3.2(1a) (OL14116-02, October 2007)

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Cisco MDS 9000 Family Release Notes for Cisco MDS SAN-OS Release 3.2(1a)
OL-14116-02
Upgrading Your Cisco MDS SAN-OS Software Image
• Follow the guidelines for upgrading a single supervisor switch as described in “Performing a
Disruptive Upgrade on a Single Supervisor MDS Family Switch” section on page 19.
• Be aware that some features impact whether an upgrade is disruptive or nondisruptive:
– Fibre Channel Ports: Traffic on Fibre Channel ports can be nondisruptively upgraded. See
Table 5 for the nondisruptive upgrade path for all SAN-OS releases.
– SSM: Intelligent services traffic on the SSM, such as SANTap, NASB, and FC write
acceleration, is disrupted during an upgrade. SSM Fibre Channel traffic is not.
– Gigabit Ethernet Ports: Traffic on Gigabit Ethernet ports is disrupted during an upgrade or
downgrade. This includes IPS modules and the Gigabit Ethernet ports on the MPS-14/2 module.
Those nodes that are members of VSANs traversing an FCIP ISL are impacted, and a fabric
reconfiguration occurs. iSCSI initiators connected to the Gigabit Ethernet ports lose
connectivity to iSCSI targets while the upgrade is in progress.
– IVR: With IVR enabled, you must follow additional steps if you are upgrading from Cisco
SAN-OS Release 2.1.(1a), 2.1(1b), or 2.1.(2a). See the “Upgrading with IVR Enabled” section
on page 15 for these instructions.
– FICON: If you have FICON enabled, the upgrade path is different. See Table 6.
Use Table 5 to determine your nondisruptive upgrade path to Cisco SAN-OS Release 3.2(1a). Find the
image release number you are currently using in the Current column of the table and use the path
recommended.
Note The software upgrade information in Table 5 applies only to Fibre Channel switching traffic. Upgrading
system software disrupts IP traffic and SSM intelligent services traffic.
Table 5 Nondisruptive Upgrade Path to SAN-OS Release 3.2(1a)
Current Nondisruptive Upgrade Path
SAN-OS 3.2(1) You can nondisruptively upgrade directly to SAN-OS Release 3.2(1a).
SAN-OS 3.1(4) You can nondisruptively upgrade directly to SAN-OS Release 3.2(1a).
SAN-OS 3.1(3a) You can nondisruptively upgrade directly to SAN-OS Release 3.2(1a).
SAN-OS 3.1(2b) You can nondisruptively upgrade directly to SAN-OS Release 3.2(1a).
SAN-OS 3.1(2a) You can nondisruptively upgrade directly to SAN-OS Release 3.2(1a).
SAN-OS 3.1(2) You can nondisruptively upgrade directly to SAN-OS Release 3.2(1a).
SAN-OS 3.1(1) You can nondisruptively upgrade directly to SAN-OS Release 3.2(1a).
SAN-OS 3.0(3a) You can nondisruptively upgrade directly to SAN-OS Release 3.2(1a).
SAN-OS 3.0(3) You can nondisruptively upgrade directly to SAN-OS Release 3.2(1a).
SAN-OS 3.0(2a) You can nondisruptively upgrade directly to SAN-OS Release 3.2(1a).
SAN-OS 3.0(2) You can nondisruptively upgrade directly to SAN-OS Release 3.2(1a).
SAN-OS 3.0(1) You can nondisruptively upgrade directly to SAN-OS Release 3.2(1a).
SAN-OS 2.1(3) You can nondisruptively upgrade directly to SAN-OS Release 3.2(1a).
SAN-OS 2.1(2e) You can nondisruptively upgrade directly to SAN-OS Release 3.2(1a).
SAN-OS 2.1(2d) You can nondisruptively upgrade directly to SAN-OS Release 3.2(1a).
SAN-OS 2.1(2b) You can nondisruptively upgrade directly to SAN-OS Release 3.2(1a).