[Dovecot] Hints for a NFS-Setup

[Timo Sirainen]

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.