Upgrading Your Cisco MDS NX-OS Software Image
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
To upgrade to NX-OS Release 5.0(4b) from SAN-OS Release 3.2(3a) or earlier, first upgrade to SAN-OS
Note
Release 3.3(x), then upgrade to NX-OS Release 4.1(x) or 4.2(x), and then upgrade to NX-OS Release
5.0(4b).
Use the following guidelines when upgrading to Cisco MDS NX-OS Release 5.0(4b):
•
•
•
•
•
•
Note
In addition to these guidelines, you may want to review the information in the
Restrictions"
differently following the upgrade.
Use
the 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
Upgrading system software disrupts IP traffic and SSM intelligent services traffic.
Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 5.0(4b)
16
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 or MDS 9134 Switch as
described in
"Upgrading a Cisco MDS 9124 or Cisco MDS 9134 Switch" section on page
Follow the guidelines for upgrading a single supervisor switch as described in
Disruptive Upgrade on an MDS 9000 Family Switch" section on page
Be aware of the impact of an upgrade on VSAN 4079 if you are upgrading from SAN-OS Release
3.x to NX-OS 5.0(4b). See the
Be aware that some features impact whether an upgrade is disruptive or nondisruptive:
Fibre Channel Ports: Fibre Channel ports can be nondisruptively upgraded without affecting
–
traffic on the ports. See
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,
the MSM-18/4 module, and the MDS 9222i switch. 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.
Inter-VSAN Routing (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
IVR Enabled" section on page 19
–
FICON: If you have FICON enabled, the upgrade path is different. See the
Releases and Upgrade Paths" section on page
section prior to a software upgrade to determine if a feature may possibly behave
Table 11
to determine your nondisruptive upgrade path to Cisco MDS NX-OS Release 5.0(4b), find
"Upgrading Effect on VSAN 4079" section on page 19
Table 11
for the nondisruptive upgrade path for all NX-OS and SAN-OS
for these instructions.
18.
Table 11
applies only to Fibre Channel switching traffic.
20.
"Performing a
21.
for details.
"Upgrading with
"FICON Supported
"Limitations and
OL-21012-04
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