Thanks Vincent and Simon for the answers ! I am studying the Perdition and LVS-DR solutions ! Kind regards, Fabio On 18 September 2014 16:38, Simon Amor <simon.amor@xxxxxxxxxxx> wrote: > On 18 Sep 2014, at 19:58, Fabio S. Schmidt <fabio@xxxxxxxxxxxxxx> wrote: > >> Hi, >> >> - Sorry if it seems to be a little off-topic - >> >> We have deployed Cyrus Aggregator and currently we provide load >> balancing and high availability for the Cyrus Front Ends through DNS. >> With this scenario, if a Frontend is unavailable it will receive >> connections unless we remove it from the DNS record for the IMAP >> service. >> >> Does anyone have any better ideas to improve the high availability? I >> was wondering about using HAPROXY vs NGINX but I do not know their >> behaviours in cases like I mentioned above. > > We use LVS-DR with a cluster of 3 Cyrus pop/imap servers where servers 1 and 2 use heartbeat to failover the inbound IP in the event of an outage. They also handle outbound authenticated SMTP, again with LVS-DR. > > http://www.linuxvirtualserver.org/VS-DRouting.html > > Simon > -- > Simon Amor > Daily Internet Services Ltd > T: +44 (0)115 973 7260 > W: http://www.daily.co.uk/ > -- My best regards, Fabio Soares Schmidt Linux Professional Institute - LPIC-3 Microsoft Certified Technology Specialist: Active Directory ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ To Unsubscribe: https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus
