[Dovecot] dsync error: "Mailboxes don't have unique GUIDs"

[Timo Sirainen]

On 25.6.2012, at 19.49, Charles Marcus wrote:

>> I did try the 2.1.x version of dsync back in March. I found the version
>> to be very unreliable. It would crash with many types of operations
>> (e.g. maildir ->  mdbox conversions).
> 
> Well, the version in 2.0.x was problematic, which is why Timo was rewriting it from scratch.
> 
> Also, that was 3 *months* ago - more than likely a lot has changed since then.
> 
> I'd suggest you try again with 2.1.7...

The rewritten dsync is in v2.2 tree. v2.1's dsync is a fixed version of v2.0's dsync. I have no idea why v2.1's dsync would be less reliable than v2.0's. It only had bugfixes.

Anyway, the GUID error could very well be because of buggy mailbox listing code in v2.0, which was rewritten for v2.1.