HP Cisco MDS 9124 HP StorageWorks C-Series Fabric Switches for NX-0S 4.1(3a) R - Page 7

Cisco MDS 9500 Series Hardware Installation Guide

Page 7 highlights

- Once the 9513 is upgraded to NX-OS with Fabric-2 modules and reloaded, a downgrade to SAN-OS will be disruptive. - It is recommended for the pair of Fabric modules to be of the same model. Mixing Fabric-1 and Fabric-2 modules with SAN-OS is supported. When mixing the two with NX-OS the following must be considered: o Before a reload - no issues with mixing Fabric-1 and Fabric-2 o After a reload - replacing Fabric-2 with a Fabric-1 is not supported Refer to the Cisco MDS 9500 Series Hardware Installation Guide for additional information. 7 MDS Multilayer Director & Multilayer Fabric Switches Release Notes

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7
MDS Multilayer Director & Multilayer Fabric Switches Release Notes
-
Once the 9513 is upgraded to NX-OS with Fabric-2 modules and reloaded, a downgrade
to SAN-OS will be disruptive.
-
It is recommended for the pair of Fabric modules to be of the same model.
Mixing
Fabric-1 and Fabric-2 modules with SAN-OS is supported.
When mixing the two with
NX-OS the following must be considered:
o
Before a reload – no issues with mixing Fabric-1 and Fabric-2
o
After a reload – replacing Fabric-2 with a Fabric-1 is not supported
Refer to the
Cisco MDS 9500 Series Hardware Installation Guide
for additional information.