Upgrading Your Cisco MDS SAN-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
Save the running configuration to the startup configuration before the upgrade procedure to ensure that
Step 4
the changes are preserved during and after the upgrade. To save the configuration, enter the following
command:
switch# copy running-config startup-config
Upgrading the SSI Image on Your SSM
Use the following guidelines to nondisruptively upgrade the SSI image on your SSM:
•
•
Upgrading from Cisco MDS SAN-OS Release 2.1(1b) or earlier to Release 2.1.2 or later can disrupt
Caution
traffic on any SSM installed on your MDS switch
Upgrading a Switch with Insufficient Space for Two Images on the Bootflash
To upgrade the SAN-OS image on a Cisco MDS 9000 Family switch requires enough space on the
internal CompactFlash (also referred to as bootflash) to accommodate both the old software image and
the new software image.
As of Cisco MDS SAN-OS Release 3.1(1), on MDS switches with a 256-MB CompactFlash, it is
possible in some scenarios that a user might be unable to fit two images on the bootflash. This lack of
space on the bootflash might cause the upgrade process to fail because new images are always copied
onto the bootflash during an upgrade.
The following MDS switches are affected by this issue:
•
•
•
Cisco MDS 9000 Family Release Notes for Cisco MDS SAN-OS Release 3.3(3)
20
Install and configure dual supervisor modules.
SSM intelligent services traffic on SSM ports is disrupted during upgrades. Fibre Channel switching
traffic is not disrupted under the following conditions:
–
Upgrade the SSI boot images on the SSMs on the switch to a release version supported by your
Cisco SAN-OS release. Refer to the
Storage Service Interface
All SSM applications are disabled. Use the show ssm provisioning command to determine what
–
applications are configured. Use the no ssm enable feature command to disable these
applications.
No SSM ports are in auto mode. See the
–
SAN-OS Release 3.3(3)" section on page
The EPLD version on the SSM is at 0x07 or higher. Use the show version module slot epld
–
command to determine your EPLD version. Refer to the
for Cisco MDS 9000 EPLD Images
–
Refer to the
Cisco Data Center Interoperability Support Matrix
chapter in the
Cisco MDS 9000 Family CLI Configuration Guide, Release
on upgrading your SSM.
MDS 9216 and MDS 9216i
MDS 9120 and MDS 9140
MDS 9500 Series switches with a Supervisor 1 module
Cisco MDS NX-OS Release Compatibility Matrix for
Images.
"Reconfiguring SSM Ports Before Upgrading to
19.
to upgrade your EPLD image.
Cisco MDS 9000 Family Release Notes
and the "Managing Modules"
3.x, for information
OL-14116-11
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