How do you test the new server? (Sorry, this seems like it must be obvious. The server I set up is the first one handling this domain, so testing was easy in that it didn't have history.)
Jeff Abrahamson +33 6 24 40 01 57 +44 7920 594 255 http://p27.eu/jeff/ http://transport-nantes.com/ On 04/09/18 10:49, Reio Remma wrote: > If you have lots of data, you can make an initial pass with rsync > whilst the old server is running and another rsync pass (with > --delete, use dry run to test) when you've shut down the old server to > sync the changes since the initial pass. > > Good luck! > Reio > > > On 04/09/2018 11:40, James Brown wrote: >> Thanks Sam >> >> Users not using new mail server yet. >> >> Both old and new using maildir. >> >> Sounds like rsync is the way to go. >> >> Thanks for your help. >> >> James. >> >> Sent from my iPhone XI >> >>> On 4 Sep 2018, at 5:41 pm, Sami Ketola <sami.ket...@dovecot.fi> wrote: >>> >>> >>> >>>> On 4 Sep 2018, at 10.20, James Brown <jlbr...@bordo.com.au> wrote: >>>> >>>> I’d like to migrate to a new server. I only need to transfer the mail >>>> store, have already done the users. I’ve seen different recommendations: >>>> >>>> IMAP-Sync >>>> Rsync >>>> Doveadmin backup and >>>> dsync >>>> >>>> What are the pros and cons of each? What would be best for me? I’m >>>> thinking that Doveadmin backup is the way to go. >>>> >>>> Both old and new servers are on same network. New server is running >>>> Dovecot 2.3.2.1, old server is 2.2.32. macOS X. >>>> >>>> Does anyone have any advice or examples? >>> It depends. Are your users already receiving mails to the new server? If >>> yes, then the only way is to use "doveadm sync -1" or data will be lost. >>> Even then data may be lost as UID numbers might already be used in the new >>> server. >>> If your users are not receiving mails to the new server it still depends. >>> Is the mail storage format same in both servers? If yes, then it's probably >>> fastest to use rsync. If not, then you need to use doveadm backup. >>> >>> imapsync always loses data. >>> >>> Sami >>> >>> > > -- > Tervitades > Reio Remma > > > MR Stuudio 25 aastat > > *MR Stuudio OÜ* > Tondi 17b, 11316, Tallinn > Tel +372 650 4808 > Mob +372 56 22 00 33 > r...@mrstuudio.ee > www.mrstuudio.ee > > > -- Jeff Abrahamson +33 6 24 40 01 57 +44 7920 594 255 http://p27.eu/jeff/ http://transport-nantes.com/
