Migrating IMAP from Cyrus v2.2.13 to Cyrus v2.4.17

[ktm at rice.edu]

On Wed, Apr 06, 2016 at 01:20:13PM -0500, Jack Snodgrass via Info-cyrus wrote:
> Is there a documented process for taking a system from: Cyrus
> v2.2.13 to Cyrus v2.4.17
> 
> I have an old debian box with Cyurs v2.2.13.
> 
> I have a new debian box with Cyrus v2.4.17
> 
> Is there a documented / official process for migrating mail like
> this?  I could not find one.
> 
> 
> I have rsync'd the mail between the two systems.
> 
> /usr/lib/cyrus/bin/reconstruct did NOT magically convert the system
> from the old to the new.
> 
> I wrote a script to create the mailboxes and their folders.
> 
> After that ( or maybe before... ) I ran:
> 
> /usr/lib/cyrus/bin/reconstruct -G -f
> 
> and I think that has me close to where I want to be. I have mail
> boxes and folders and test users can view their mail.
> 
> The 'seen' flags and probably some other flags / acls are not working.
> 
> 
> Isn't there a simple upgrade / migrate script path that I am failing
> to find?
> 
> 
> jack
> 

Hi Jack,

Why are you migrating to v2.5.x? It has been out for quite a while now?
If you have a lot of users, the 2.2 -> 2.4 upgrade can be painful I/O-wise.

Regards,
Ken