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ArubaOS8 - Manual Migration without of Migration Tool or Console Access

Am posting this in search for advise and possibly someone is running into the same type of scenario (I would think so). 

  

As part of the testing and Lab setup to move to Aruba OS 8 I am trying to find the best way to move the controller from 6.x to 8.3 under hardware MM. 

 

I would like to avoid for now the Migration Utility due to its dependence on VMWare and reading the manual option in the below TechNote:

 

http://www.airheads.eu/t5/Controller-Based-WLANs/Migration-to-ArubaOS-8/ta-p/421996

 

It points the manual installation using ASE solution 141:

https://ase.arubanetworks.com/solutions/id/141

 

This explains how to connect the Controller as an MD to your MM but you need console access to the Controller for this method as it wipes the configuration completely. 

 

Question: 

How we can migrate from Aruba 6.x to Aruba 8 with creating a VM or without having Console access. 

 

Why am I asking this ? 

 

Without VMware based migration tool - Being a large shop there are restrictions on VM creations. These would normally be standard Windows/Linux build only from predefined images. Any "custom" Appliance type VM would have to go through exception processes within the organization - which if you run into the many 10000s of servers I do understand they don't want to support every image under the sun. 

 

Without console access

We have controllers deployed on 100s of sites - I would hate to go on a world tour to visit them all. Or actually I wouldn't so much mind but my travel budget would not allow for it :) 

 

So trying to think if there is a 3rd way - preping the Controller for Aruba OS8 like the migration tool and then reloading it. 

 

If the migration tool is able to "push" config so that controller will join the MM after the upgarde to ArubaOS8 - it must be possible to do this manually I would assume. 

 

Has anyone tried this - I searched the forum but could not find any guides or anyone talking about it? 

 

I'll be able to play around in the lab to create something like this but if anyone has some ideas of steps and order that would be appreciated. 

 

I'm thinking:

1. Upload ArubaOS 8 to controller

2. Copy a predefined configuration file to the controller which has basic settings to connect to MM after it restarts (rather than go through manual setup using console access). 

 

Thoughts ?

 

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