On 4.4.2012, at 14.38, Patrick Westenberg wrote:
Timo Sirainen schrieb:
On Fri, 2012-03-30 at 21:37 +0200, Patrick Westenberg wrote:
MTA --(lmtp)--\ /--(lmtp)--> backend1 --
-- director -- -- NFS MTA --(lmtp)--/ \--(lmtp)--> backend2 --/IMAP-User --> frontend1 --\ /--(imap)--> backend1 --
-- director -- -- NFS IMAP-User --> frontend2 --/ \--(imap)--> backend2 --/The director above must be the same one for both IMAP and MTA.
I know and it is meant to be the same in this drawing.
However, in this scenario the director is a single point of failure. What would be the best way to get loadbalancing and high-availability?
Another director. They're meant to connect to each others and do LB/HA.