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Upgrade: Juno -> Pike (or maybe later)


On 12/12/2019 3:50 PM, Ken D'Ambrosio wrote:
> Hey -- I've run a number of OpenStack clouds from multiple vendors for 
> several years, now.  But I've *never* done an upgrade.  I've read some 
> of the docs, but they don't really make it clear (at least, the ones 
> I've thus-far found):
> * If going from Juno to something pretty recent is even feasible
> * If I have to do intermediate steps along the way
> * How likely it is to "just work:" complexity, common issues, etc.
> 
> The fact that there's a clearly codified fallback procedure, while an 
> inherently good thing to have, does concern me some.
> 
> Any insights would be much appreciated.

Oh man.

Well, probably start here [1].

And watch some of these [2].

This thread should probably be tagged with [ops] because it's a 
long-standing thing that several people have done but I'm not sure how 
well any of it is documented and that wiki might be old.

BTW, if your clouds are from vendors why aren't the vendors doing your 
upgrade?

[1] https://wiki.openstack.org/wiki/Fast_forward_upgrades
[2] https://www.openstack.org/videos/search?search=fast%20forward

-- 

Thanks,

Matt