Am 30.12.18 um 10:53 schrieb Sami Ketola: > >> On 29 Dec 2018, at 23.49, Hans Brage <h...@plattformen.se> wrote: >> >> Hi! >> >> I'm currently running an small imap-server on Dovecot 2.2.4 but will retire >> that server. I've set up an new server with Dovecot 2.3.4 and will migrate >> the mailboxes (maildir-format) from the old to the new server. I'm planning >> to restructure the accounts a bit when migrating so I need to move them one >> by one. Its only a few so thats not a big issue. >> >> Both servers are using virtual accounts (users file). >> >> I've understood that best method for migration is to run doveadm backup -R >> from the new server. But I really cant figure out what other parameters or >> settings that I need to perform that task and if it should be run as user >> vmail or root. >> >> Would be greatful for any tips, hints, links or similiar. > > > Once you have the new server set up, you can use dsync over ssh to sync the > mailboxes with something like: > > doveadm backup -u user@newserver -R ssh sudouser@oldserver sudo > /usr/bin/doveadm dsync-server -u user@oldserver > > needs to be run as root on new server. Also ssh access with keys and without > password is recommended.
I used to run `doveadm backup` on the new server with glusterfs and at the middle of the sync the glusterfs is gone. Have anyone good experience with glusterfs and `doveadm backup/sync`? > Sami Regards Aleks