Dear This problem occurs when you have more than 50Go mailboxes If you launch a "du -h -s /var/spool/cyrus/mail" the server load is on top and I/O is at 100% for a long time. Is somebody have a tips to get the size status of all maiboxes without using du tool even no quota is specified ? Best regards ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html