Re: [Dovecot] Live Mirror dovecot / OS X 10.6.4 (Timo Sirainen)

2010-08-25 Thread Eric Boltz (MMI/UPC)
On Aug 25, 2010, at 10:15 AM, Timo Sirainen wrote: > > But if secondary server allowed changes, this is the difficult step to > do correctly. For example lets say in first server: > > 1. It rsyncs user foo > 2. User foo changes message A flag to \Seen > 3. User foo deletes message B > 4. User fo

Re: [Dovecot] Live Mirror dovecot / OS X 10.6.4 (Timo Sirainen)

2010-08-25 Thread Eric Boltz (MMI/UPC)
So getting back to this backup server concept... Would rsyncing all the directories listed in a dovecotd -n dump be enough to sync all my virtual users/uids, etc.? Or does OS X have other locations I need to sync for this backup server to be functional when the primary is down?

Re: [Dovecot] Live Mirror dovecot / OS X 10.6.4 (Timo Sirainen)

2010-08-25 Thread Eric Boltz (MMI / UPC)
Timo Sirainen wrote: Two potential problems I see with this: 1. If users can do any changes on the secondary server (flag changes, saving new mails, etc), you're going to have problems syncing the changes back (without losing any changes or causing other problems). 2. If users can access the s

[Dovecot] Live Mirror dovecot / OS X 10.6.4

2010-08-24 Thread Eric Boltz (MMI/UPC)
I want to set up mirrored postfix/dovecot servers using two mac mini servers (OSX 10.6.4) located in different locations (Canada and the US to be specific) for redundancy. The idea is to have one as the primary MX ("mail.corp.com") and the other as the secondary ("webmail.corp.com"). If the pr