On 20 Feb 2017, at 11:09, Timo Sirainen <t...@iki.fi> wrote: > > On 17 Feb 2017, at 21.37, Wolfgang Hennerbichler <wo...@wogri.com> wrote: >> >> Hi Dovecot Users, >> >> I’ve configured dovecot dsync replication and I see troubles in the logs and >> get user complaints which I can’t explain. I found similar threads on this >> mailinglist, but I couldn’t find a solution anywhere. Does anybody have >> dsync running without problems on a high volume mailserver? >> >> I see the following logs, examples given: >> >> Feb 17 18:16:49 dovecot dovecot: imap(zoechi): Warning: >> /var/mail/zoechi/dovecot-uidlist: Duplicate file entry at line 10395: >> 1487350019.M138380P28563.dovecot.wogri.at,S=18930,W=19377 (uid 41092 -> >> 41093) - retrying by re-reading from beginning >> >> with this one I’m not sure - it might be that this is completely OK because >> due to replication UIDs clash. Maybe that’s OK, but I couldn’t find a >> confirmation. >> >> Feb 17 18:16:49 dovecot dovecot: imap(zoechi): Warning: Maildir >> /var/mail/zoechi: Expunged message reappeared, giving a new UID (old >> uid=41092, file=1487350019.M138380P28563.dovecot.wogri.at,S=18930,W=19377) > > There seems to be something weird with using Maildir and replication. Haven't > had time to debug it and it's likely not an easy bug to fix, so for now the > solution would be to use only sdbox/mdbox with replication.
Thank you, I can confirm that after the migration to sdbox I don’t see those errors anymore. I could not find good documentation for converting maildir to sdbox on the fly, so I wrote a script. If there’s interest I can share this. wogri