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
17
Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 5.2(2)
OL-25090-02
Upgrading Your Cisco MDS NX-OS Software Image
–
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 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.
–
FICON
: If you have FICON enabled, the upgrade path is different. See the
“FICON Supported
Releases and Upgrade Paths” section on page 18
.
Note
In addition to these guidelines, you may want to review the information in the
“Limitations and
Restrictions”
section prior to a software upgrade to determine if a feature may possibly behave
differently following the upgrade.
Nondisruptive Upgrade Paths
Use
Table 11
to determine your nondisruptive upgrade path to Cisco MDS NX-OS Release 5.2(2). Find
the image release number you are currently using in the “Current Release” column of the table and
follow the steps in the order specified to perform the upgrade.
Note
The software upgrade information in
Table 11
applies only to Fibre Channel switching traffic.
Upgrading system software disrupts IP traffic and intelligent services traffic.
Caution
For non-FICON environments, upgrading to Cisco NX-OS Release 5.2(2) without first upgrading to
Release 5.0(x) is not recommended and is not supported, and might result in configuration loss. If you
are upgrading to Cisco NX-OS Release 5.2(2) from any release other than Release 5.2(1) in a
non-FICON environment, the only supported upgrade path to Release 5.2(2) is from Release 5.0(x).
For supported upgrade paths in a FICON environment, see the
“FICON Supported Releases and Upgrade
Paths” section on page 18
.
