Re: [Dovecot] How to propelry restore a Maildir

[Timo Sirainen]

On Sep 9, 2008, at 6:56 PM, Thomas Hummel wrote:

On Tue, Sep 09, 2008 at 06:41:34PM +0300, Timo Sirainen wrote:

On Tue, 2008-09-09 at 17:35 +0200, Thomas Hummel wrote:

Can this new mail be named identically, i.e. 1215166123.52887_0.host.dom.ain:2, ?

if so, it would be a problem when merging.

Yes, except for Dovecot's potential warning:

Hmm you mean no ? Can a new message filen the same name as an old message ?

Right. I meant file maildir filenames are always globally unique when they're created.

dovecot-uidlist is recreated lazily. So it may list files that have
already been deleted.
So when Dovecot notices that there exists a new

and to avoid breaking IMAP clients it'll log a warning and give a new
UID to the file.

file that's already listed in dovecot-uidlist but that has been expunged from Dovecot's index files, it'll figure out the message is unexpunged

would grow infinitely ?

You mean when a client deletes a message, it is first deleted from index, and then deleted from dovecot-uidlist only if it reappears ? So dovecot- uidlist

In v1.1 dovecot-uidlist gets recreated (causing deleted records to be dropped) when more than 25% of it contains deleted records.

Or maybe it is cleaned when UIDs have to be rearranged
?

This should never need to happen in normal operation.

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