[Dovecot] Upgrading from 1.2.x -> 2.2.x in one step possible

[Steffen Kaiser]

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On Wed, 26 Feb 2014, Götz Reinicke - IT Koordinator wrote:

> after some off-ML discussions to and some reconsiderations, we might do
> the "big jump" from our current 1.2.17 to the atrpms 2.2.
>
> From googling and reading the dovecot upgrade wiki I don't see any (big)
> pitfalls.
>
> Basically we use the default config options, mbox, pop3s/imaps on RH EL 5.
>
> So "just" run the upgrade-config script, fingers crossed and thats it?
>
> Ii it possible to do such a big step form 1.2 to 2.2?

Yes, but you should verify the generated config and make some tests. IMHO, 
you should create the config from scratch with help from the upgraded one. 
Esp. because "Basically we use the default config options" should not pose 
too much effort. Do you know, still, what you've changed in the v1.2 
config? Then re-do those changes in v2.2 and verify each step, that the 
particular setting is unchanged.

Expect some mailbox errors the first time, telling you that some files are 
broken and needed to re-create.

- -- 
Steffen Kaiser
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