[Dovecot] Anyone successfully setup Continous Backup of mailboxes using rsync ?

[CoolAtt NNA]

For email email am having the email duplication issue when am doing the backup.
Am having multiple copies of a mail file on the backup server.
 
Does it mean that  if I use "--fuzzy --delete-after" only the most recent mailfile will be on the backup server ??

e.g  On LIVE server : my-file:2,S
       On BACKUP server :  my-file:2,S  +  my-file:2, +  my-file:2,SF

"my-file:2,S" is the current file.
So on the backup only "my-file:2,S" must exist.
Will it solve the prob ??


> To: dovecot at dovecot.org
> From: sb at dod.no
> Date: Fri, 29 Jan 2010 08:58:27 +0100
> Subject: Re: [Dovecot] Anyone successfully setup Continous Backup of	mailboxes using rsync ?
> 
> >>>>> Timo Sirainen <tss at iki.fi>:
> 
> > The main potential problem with that is that if a message's flag is
> > changed, the filename changes so it's now stored twice in the backup
> > server. So when restoring mails, be sure not to restore duplicates.
> 
> I use the --fuzzy flag to handle the renaming issue.  Here's my crontab
> entry on the machine holding the backup:
>  0 * * * * rsync --archive --fuzzy --delete-after imapserver:Maildir .
> 
> As you can see I only sync once an hour.  I don't have enough email
> traffic to justify doing it continously.
> 
> The --delete-after is so rsync won't delete files that have been removed
> on the source, before figuring out that a file has been renamed and not
> been deleted.
> 
> 
 		 	   		  
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