Re: haproxy and multi location failover

True :)
Despite short TTLs, some client would take a long time to failover. But it's the only option unless you own your AS and you are able to route your traffic inside it.

rgs

On Tue, Nov 1, 2011 at 6:30 PM, <vivek.malik#gmail.com> wrote:
> DNS propagation can take a long time based on my experience. We have a similar problem where we host multiple identical setups in different EC2 availability zones. We have been thinking of having DNS entry with multiple A records for load distribution and failover. However, that doesn't solve the problem of OP.
>
> Vivek
> Sent via BlackBerry from T-Mobile
>
> -----Original Message-----
> From: Baptiste <bedis9#gmail.com>
> Date: Tue, 1 Nov 2011 18:17:25
> To: Senthil Naidu<senthil.naidu#gmail.com>
> Cc: Gene J<gh5046#gmail.com>; haproxy#formilux.org<haproxy#formilux.org>
> Subject: Re: haproxy and multi location failover
>
> There is not (yet) a GSLB or dyndns daemon available in opensource,
> but a few DNS server could be used to emulate this feature.
> - PowerDNS  + pipe backend
> - unbound + python module
>
> or yourself updating your DNS server to trigger a failover
>
>
> Cheers
>
>
> On Tue, Nov 1, 2011 at 6:10 PM, Senthil Naidu <senthil.naidu#gmail.com> wrote:
>> hi,
>>
>> we need to have a setup as follows
>>
>>
>>
>> site 1                                                     site 2
>>
>>       LB  (ip 1)                                   LB (ip 2)
>>        |                                                   |
>>        |                                                   |
>>  srv1  srv2                                      srv1 srv2
>>
>> site 1 is primary and site 2 is backup in case of site 1  LB's failure or
>> failure of all the servers in site1 the website should work from backup
>> location servers.
>>
>> Regards
>>
>> On Tue, Nov 1, 2011 at 10:31 PM, Gene J <gh5046#gmail.com> wrote:
>>>
>>> Please provide more detail about what you are hosting and what you want to
>>> achieve with multiple sites.
>>>
>>> -Eugene
>>>
>>> On Nov 1, 2011, at 9:58, Senthil Naidu <senthil.naidu#gmail.com> wrote:
>>>
>>> Hi,
>>>
>>> thanks for the reply,  if the same needs to be done with dns do we need
>>> any external dns services our we can use our own ns1 and ns2 for the same.
>>>
>>> Regards
>>>
>>>
>>> On Tue, Nov 1, 2011 at 9:06 PM, Baptiste <bedis9#gmail.com> wrote:
>>>>
>>>> Hi,
>>>>
>>>> Do you want to failover the Frontend or the Backend?
>>>> If this is the frontend, you can do it through DNS or RHI (but you
>>>> need your own AS).
>>>> If this is the backend, you have nothing to do: adding your servers in
>>>> the conf in a separated backend, using some ACL to take failover
>>>> decision and you're done.
>>>>
>>>> cheers
>>>>
>>>>
>>>> On Tue, Nov 1, 2011 at 2:25 PM, Senthil Naidu <senthil.naidu#gmail.com>
>>>> wrote:
>>>> > Hi,
>>>> >
>>>> > Is it possible to use haproxy in a active/passive failover scenario
>>>> > between
>>>> > multiple datacenters.
>>>> >
>>>> > Regards
>>>> >
>>>> >
>>>> >
>>>> >
>>>
>>
>>
>
>
Received on 2011/11/01 19:26