Dovecot v2.3.13 reporting (very) incorrect vsize for some maildir folders

[Timo Sirainen]

On 20. May 2021, at 13.08, Eirik Rye <rye at trojka.no> wrote:
> 
> 
> 
>> On 20 May 2021, at 12:31, Aki Tuomi <aki.tuomi at open-xchange.com> wrote:
>> 
>> Hi!
>> 
>> Quota will count only virtual size of mails (and not directories) and that will likely never match with du -bs, which counts for things more than just the mail contents.
> 
> Right, but the quota/vsize of the folder in my example is calculated by Dovecot to be ~14GB, while the real physical size of the whole directory is ~6.8GB. Dovecot thinks the folder is twice as big than it actually, physically is. :/

You can also look at the folder-level vsizes to see which one is causing the differences (or are they all doubled?)

doveadm mailbox status -u user vsize '*'