S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m .
General Upgrading Guidelines
Use the following guidelines when upgrading to Cisco MDS SAN-OS Release 3.1(3):
•
•
•
•
•
Use
image release number you are currently using in the Current column of the table and use the path
recommended.
The software upgrade information in
Note
system software disrupts IP traffic and SSM intelligent services traffic.
Table 4
Current
SAN-OS 3.1(2b) You can nondisruptively upgrade directly to SAN-OS Release 3.1(3).
SAN-OS 3.1(2a) You can nondisruptively upgrade directly to SAN-OS Release 3.1(3).
SAN-OS 3.1(2)
SAN-OS 3.1(1)
SAN-OS 3.0(3a) You can nondisruptively upgrade directly to SAN-OS Release 3.1(3).
SAN-OS 3.0(3)
SAN-OS 3.0(2a) You can nondisruptively upgrade directly to SAN-OS Release 3.1(3).
SAN-OS 3.0(2)
SAN-OS 3.0(1)
OL-12208-05
Install and configure dual supervisor modules.
Issue the show install all impact upgrade-image CLI command to determine if your upgrade will
be nondisruptive.
Follow the recommended guidelines for upgrading a Cisco MDS 9124 Switch as described in
"Upgrading a Cisco MDS 9124 Switch" section on page
Follow the guidelines for upgrading a single supervisor switch as described in
Disruptive Upgrade on a Single Supervisor MDS Family Switch" section on page
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 4
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
on page 13
for these instructions.
–
FICON: If you have FICON enabled, the upgrade path is different. See
Table 4
to determine your nondisruptive upgrade path to Cisco SAN-OS Release 3.1(3). Find the
Nondisruptive Upgrade Path to SAN-OS Release 3.1(3)
Nondisruptive Upgrade Path
You can nondisruptively upgrade directly to SAN-OS Release 3.1(3).
You can nondisruptively upgrade directly to SAN-OS Release 3.1(3).
You can nondisruptively upgrade directly to SAN-OS Release 3.1(3).
You can nondisruptively upgrade directly to SAN-OS Release 3.1(3).
You can nondisruptively upgrade directly to SAN-OS Release 3.1(3).
Cisco MDS 9000 Family Release Notes for Cisco MDS SAN-OS Release 3.1(3)
Upgrading Your Cisco MDS SAN-OS Software Image
17.
Table 4
applies only to Fibre Channel switching traffic. Upgrading
"Performing a
17.
"Upgrading with IVR Enabled" section
Table
5.
11
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