dovecot proxy/director and high availability design

[James Lott]

Right.. I stand corrected

On 07/21/2015 12:37 PM, Marcus Rueckert wrote:
> On Tue, 21 Jul 2015 12:00:39 -0700
> James Lott <james at lottspot.com> wrote:
>
>> I think RR DNS is the only viable solution under these circumstances.
>> If you can cope with the fact that failovers won't be seamless, I
>> don't think there's anything wrong with that though.
>>
>> On 07/21/2015 11:54 AM, Laz C. Peterson wrote:
>>> The consensus seems to say no to RR DNS … I am going to take that
>>> into serious consideration.
>>>
>>> With this proxy setup you describe, what would happen if HAProxy or
>>> Dovecot Proxy were to fail?
>>>
>>> I think there is no problem with many moving parts, as long as
>>> there is a backup plan in case something goes awry.  My goal is
>>> slightly different, as I want to have HA available across
>>> datacenters without using BGP or having control over the IP space
>>> (so, no anycast).  Just a simple way to get the clients redirected
>>> to the other Dovecot server when I lose an entire datacenter
>>> network for whatever reason.
> you dont need DNS RR for that. just plain DNS entries with a very short
> TTL.
>
>      darix
>