how about mounting ceph or glusterfs disk to message store? eero
25.1.2017 5.18 ap. "Patrick Domack" <patric...@patrickdk.com> kirjoitti: > This would not be a good thing to do, as deleted email will magically > reappear. > > Using unison to sync it worked for me, over 10years ago. But these days, > just use dsync part of dovecot, and your life will be happy. > > > Quoting Patrick Chemla <patrick.che...@perfaction.net>: > > Hi Wietse, >> >> Of course I thought about such NAS solution, but I wanted to check if >> there is a way with 2 separate disks, with a kind of that could be aware of >> emails files changes. >> >> Actually, the mail server run onto a VM, on a big server. I have another >> big server with same emails VM, and I just rsync --delete --update from the >> first one to the second. So I have a full image copy every 5 minutes, but >> only one real MTA. >> >> I will check the NAS option, if there is no other way. >> >> Thanks >> Patrick >> >> Le 24/01/2017 à 13:45, Wietse Venema a écrit : >> >>> Patrick Chemla: >>> >>>> Hi, >>>> >>>> I have a running Fedora 24 emails server using postfix 3.1.3, with >>>> courier. >>>> >>>> I wonder how to build a pair of MTAs to secure emails at all time, >>>> having 2 servers receiving the emails, and users could connect to either >>>> server to get emails, maybe on a load balanced way. >>>> >>>> Problems are with synchronization when receiving emails from outside, or >>>> emails read, emails moved,.... >>>> >>> You need a redundant message store. In pre-cloud times, people >>> would use a NAS filer with redundant disks, store email as maildir >>> files (one per message) and MDAs would mount that store via NFS. >>> Perhaps that model still works for you. >>> >>> Does someone have a good guide, howto, doc to achieve this? >>>> >>>> Thanks for help. >>>> >>>> Patrick >>>> >>>> >>>> >>>> > > >