[Dovecot] Dsync: Mailbox changes caused a desync.

[Aleksey Tsvetkov]

Hi!

Here such synchronization error:

dovecot: dsync-local(alex at aaa.com): Warning: Mailbox changes caused a desync. You may want to run dsync again.
dovecot: dsync-remote(alex at aaa.com): Warning: /var/mail/virtual/aaa.com/alex/.INBOX.System/dovecot-uidlist: Duplicate file entry at line 2298: 1380157263.M585262P25253.mail1.aaa.com,S=2476,W=2553 (uid 3645 -> 3662)
dovecot: dsync-remote(alex at aaa.com): Warning: Maildir /var/mail/virtual/aaa.com/alex/.INBOX.System: Expunged message reappeared, giving a new UID (old uid=3650, file=1380157264.M261919P17392.mail2.aaa.com,S=2476,W=2553)
dovecot: dsync-remote(alex at aaa.com): Warning: Maildir /var/mail/virtual/aaa.com/alex/.INBOX.System: Expunged message reappeared, giving a new UID (old uid=3651, file=1380157263.M586977P17315.mail2.aaa.com,S=3119,W=3175)
dovecot: dsync-remote(alex at aaa.com): Warning: Maildir /var/mail/virtual/aaa.com/alex/.INBOX.System: Expunged message reappeared, giving a new UID (old uid=3652, file=1380157264.M261920P17392.mail2.aaa.com,S=2476,W=2553)
dovecot: dsync-remote(alex at aaa.com): Warning: Maildir /var/mail/virtual/aaa.com/alex/.INBOX.System: Expunged message reappeared, giving a new UID (old uid=3653, file=1380157264.M261921P17392.mail2.aaa.com,S=3119,W=3175)
dovecot: dsync-remote(alex at aaa.com): Warning: Maildir /var/mail/virtual/aaa.com/alex/.INBOX.System: Expunged message reappeared, giving a new UID (old uid=3654, file=1380157263.M819006P25260.mail2.aaa.com,S=2476,W=2553:2,)
dovecot: dsync-remote(alex at aaa.com): Warning: Maildir /var/mail/virtual/aaa.com/alex/.INBOX.System: Expunged message reappeared, giving a new UID (old uid=3655, file=1380157264.M261922P17392.mail2.aaa.com,S=3119,W=3175:2,)

As a result, synchronization was, but there were duplicate emails. After this synchronization is working fine, no more errors.

dovecot --version
2.2.5

dovecot --build-options
Build options: ioloop=kqueue notify=kqueue ipv6 openssl io_block_size=8192
Mail storages: shared mdbox sdbox maildir mbox cydir imapc pop3c raw fail
SQL drivers: mysql
Passdb: checkpassword pam passwd passwd-file sql
Userdb: checkpassword nss passwd prefetch passwd-file sql

Thanks!

--
Best regards,
Aleksey Tsvetkov
System Administrator
Company Grand Vision
tel. +7(495)933-39-79, ext. 184