> On 05 December 2018 at 20:54 Orion Poplawski <[email protected]> wrote: > > > With dovecot-2.2.36-3.el7.x86_64 we had a couple hours where mail_plugins did > not properly include zlib for all of the needed services. This seems to have > led to some corruption in our mdbox mailboxes. > > I've run doveadm force-resync on a number of users, but I'm still seeing > messages like this: > > dovecot[13563]: imap(USER): Error: Corrupted record in index cache file > /var/spool/imap/USER/mailboxes/INBOX/dbox-Mails/dovecot.index.cache: UID > 67976: Broken physical size in mailbox INBOX: > read(zlib(/var/spool/mail/USER/storage/m.1203)) failed: Cached message size > smaller than expected (2978 < 8192, box=INBOX, UID=67976) > > Is there anything that can be done about this? Can I safely delete the > dovecot.index.cache file? I'm hesitant to do so since I understand that the > mdbox format uses the index to store mailbox information and deleting at least > some index files is a destructive operation. > > Thanks! > > -- > Orion Poplawski > Manager of NWRA Technical Systems 720-772-5637 > NWRA, Boulder/CoRA Office FAX: 303-415-9702 > 3380 Mitchell Lane [email protected] > Boulder, CO 80301 https://www.nwra.com/
Erasing the cache file causes dovecot to recache the mails on access. It can cause performance issues, but no data loss. Aki
