IMAP sync?

Patrick Boutilier boutilpj at
Sun Mar 20 06:39:34 EDT 2011

On 03/20/2011 06:01 AM, Lars Schimmer wrote:
> On 19.03.2011 22:24, Bron Gondwana wrote:
>> On Sat, Mar 19, 2011 at 05:47:24PM -0300, Reinaldo de Carvalho wrote:
>>> On Sat, Mar 19, 2011 at 11:51 AM, Lars Schimmer
>>> <l.schimmer at>   wrote:
>>>> Hi!
>>>> I try to setup a new cyrus server and want to migrate my old 2.2.x data
>>>> on the new 2.4.6 server.
>>>> Any tips on howto migrate data from old server to new server?
>>>> Rsync and db updates?
>>>> imapsync, which tool and howto sync the non-user-inboxes?
>>> The main problem is to preserve hardlinks to don't grow up used disk
>>> space, and isn't possible with IMAP migration.
>> Cyrus should be able to handle the upgrade in place if you can shut
>> down the source server, copy the files over, and bring it back up.
> Sure, but I got a new hardware and want to use the new hardware ;-)

Sync over your data and metadata to the new server running 2.2.x using 
rsync and then update Cyrus on your new server to 2.4.x .

Use the -H option with rsync to preserve hard links.

> And hardlinks, I guess we do not use much hardlinks at all. HD space is
> not a big issue for us, as we got roughly 40 account and 20Gb mails on
> server.
> But I go and try with rsync with db upgrade, as it once worked fine to
> upgrade to 2.2.x
>> Bron.
> MfG,
> Lars Schimmer

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