[Pacemaker] active cluster and load-balancer

Arizka Ashar deq.adit at gmail.com
Wed Jun 29 14:22:24 UTC 2011


On Wed, Jun 29, 2011 at 1:16 PM, Raoul Bhatia [IPAX] <r.bhatia at ipax.at>wrote:

> On 29.06.2011 05:28, Arizka Ashar wrote:
>
>> Hello All,
>>
>> in active-active each node have clone vip..
>>
>> node1 = 1.2.3.4
>> node2 = 5.6.7.8
>> node3 = 9.10.11.12
>> clone vip = 13.14.15.16
>>
>
> honestly, that depends on your network setup and
> on the lvs forwarding type.
> (e.g. are the node's real ips routable?)
>
> what i would do:
> 1. configure the clone vip using a tun device on the real servers
>   (pay attention to the arp configuration!)
>   (13.14.15.16 = tunl0)
>
> 2. add the vip to the load balancers.
>   make this setup redundant using pacemaker.
>   (floating vip, ldirectord, etc.)
>   (lb ip = x.x.x.x, y.y.y.y; 13.14.15.16 = floating vip, not cloned)
>
> 3. point the lvs setup to the node's ips
>   (1.2.3.4, 5.6.7.8, 9.10.11.12)
>
> a similar setup is running at my company
> (except for the tunl devices which are not managed by pacemaker)
>
> cheers,
> raoul
>
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>

Hey Raoul

thank for suggestion, i will try that

first i just want to test on lvs side using nat and direct forwarding,
but without/reduced middle (real server),. LVS's -> active nodes

Warm regards,
arizka
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