You are not the first person raising up this question, you may view
https://ask.openstack.org/en/question/66214/migration-from-older-releases-to-kilo/
Personally , I share alfredcs@yahoo.com  feed (3)
Boris.

> From: marius@remote-lab.net
> Date: Sat, 16 May 2015 14:34:57 +0200
> To: rdo-list@redhat.com
> Subject: [Rdo-list] Upgrade from Juno to Kilo
>
> Hi all,
>
> Are there any docs that describe steps for upgrading from Juno to Kilo ?
>
> Thanks,
> Marius
>
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