Hello,
I had a similar problem some time ago, and the problem was the mailbox format change. Please try to migrate with the same format. Andrea Il 05/01/21 15:02, Thomas Winterstein ha scritto: > No one? > > If there are limitations in regards to how dsync in migration and > replication can operate together these should be stated clearly in the > documentation. > > On 23.12.2020 20:33, Thomas Winterstein wrote: >> Hello everyone, >> >> >> we are working on migrating from dovecot 2.0.9 (maildir) to 2.2.36 >> (mdbox). The new cluster has two backend mail servers which replicate >> through doveadm replicator. To move the data initially we use doveadm >> backup (imapc). >> >> arb >> Our migration command >> doveadm -o mail_fsync=never backup -R -u $user imapc: >> >> >> To test the replication of new and purge of old mails with live data >> changes we ran imapc on a daily basis but encountered the problem >> that some mailboxes multiplied in size. We then made sure that imapc >> and replication don't run at the same time but after the first >> incremental imapc process, we still had the same problems. >> >> >> The doveadm-backup man-page states that it's possible to run it >> multiple times during migration. But is it also possible to have the >> replicator running in between? From our understanding the doveadm >> backup should just work as an imap connection between the servers, >> synchronizing all changes made on the source to the destination. Or >> does the conversion from maildir to mdbox format in our case produce >> the problems? >> >> >> If you're not supposed to run the replicator before having fully >> migrated, how can we shorten the downtime? rsync? And how can we be >> sure that similar problems don't occur after the migration if we >> can't test all mechanisms together with live data? >> >> >> thanks > > -- __________________________ Daddy, why doesn't this magnet pick up this floppy ? __________________________ TIM San Marino S.p.A. Andrea Gabellini Engineering R&D TIM San Marino S.p.A. - https://www.telecomitalia.sm Via Ventotto Luglio, 212 - Piano -2 47893 - Borgo Maggiore - Republic of San Marino Tel: (+378) 0549 886237 Fax: (+378) 0549 886188 -- Informativa Privacy Questa email ha per destinatari dei contatti presenti negli archivi di TIM San Marino S.p.A.. Tutte le informazioni vengono trattate e tutelate nel rispetto della normativa vigente sulla protezione dei dati personali (Reg. EU 2016/679). Per richiedere informazioni e/o variazioni e/o la cancellazione dei vostri dati presenti nei nostri archivi potete inviare una email a priv...@telecomitalia.sm. Avviso di Riservatezza Il contenuto di questa e-mail e degli eventuali allegati e' strettamente confidenziale e destinato alla/e persona/e a cui e' indirizzato. Se avete ricevuto per errore questa e-mail, vi preghiamo di segnalarcelo immediatamente e di cancellarla dal vostro computer. E' fatto divieto di copiare e divulgare il contenuto di questa e-mail. Ogni utilizzo abusivo delle informazioni qui contenute da parte di persone terze o comunque non indicate nella presente e-mail potra' essere perseguito ai sensi di legge.
