Cyrus imap 2.4.x and different mailbox quota and mailobox disk usage

"chose via Info" <[email protected]>
Newsgroups gmane.mail.imap.cyrus
Message-ID <[email protected]> 
Good afternoon,
I've found some interesting thing - on some user's mailbox quota show usage 1,59 GB from quota 1,9GB. But disk usage "du -sh" shows only about 85 MB. There is really a few emails.
I tried reconstruct -rxf on the user's mailbox, no progress.
What I missed ? 
Thanks and best regards
J.Karliak
------------------------------------------
Cyrus: Info
Permalink: https://cyrus.topicbox.com/groups/info/T2c3c059c35142d4a-Mbdcfdc7d3e7d26586d8d681c
Delivery options: https://cyrus.topicbox.com/groups/info/subscription
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.