Quoting Urban Loesch <bind@enas.net>:
Hi,
and some other Dovecot mailing list threads but I am not sure how many users such a setup will handle. I have a concern about the I/O performance of NFS in the suggested architecture above. One possible option available to us is to split up the mailboxes over multiple clusters with subsets of domains. Is there anyone out there currently running this many users on a Dovecot based mail cluster? Some suggestions or advice on the best way to go would be greatly appreciated.
we only have running a setup with 35k Users (2000 imap and 300 pop3 sessions simultaneous). But we split all users and domains accross 9 virtual containers. Until now all containers are running on 1 bare metal machine, because the server is fast enough and quite new.
- all Backends are in HA with a passive machine and DRBD with 10GBIT Cross Links
How do you do backups?