[SR-Users] Load balance on HA scenario

[Sergey Safarov]

you one dispatcher destination failed you can try other

Example
https://github.com/2600hz/kazoo-configs-kamailio/blob/master/kamailio/dispatcher-role-5.4.cfg#L205-L222

Think you can find more examples.

On Thu, Oct 15, 2020 at 2:49 PM Duarte Rocha <duarterocha91 at gmail.com>
wrote:

> Hi,
>
> I'll try to better clarify my scenario.
>
> I can't use probing in this situation, as my peer won't allow it.
>
> This is my scenario :
>
> SET: {
>         ID: 102
>         TARGETS: {
>             DEST: {
>                 URI: sip:Peer_IP:5060
>                 FLAGS: AX
>                 PRIORITY: 0
>                 ATTRS: {
>                     BODY: duid=Peer_01;socket=HA_IP_1:5060
>                     DUID: Peer_01
>                     MAXLOAD: 0
>                     WEIGHT: 0
>                     RWEIGHT: 0
>                     SOCKET: HA_IP_1:5060
>                     SOCKNAME:
>                     OBPROXY:
>                 }
>                 RUNTIME: {
>                     DLGLOAD: 0
>                 }
>             }
>             DEST: {
>                 URI: sip:Peer_IP:5060
>                 FLAGS: AX
>                 PRIORITY: 0
>                 ATTRS: {
>                     BODY: duid=Peer_02;socket=HA_IP_2:5060
>                     DUID: Peer_02
>                     MAXLOAD: 0
>                     WEIGHT: 0
>                     RWEIGHT: 0
>                     SOCKET: HA_IP_2:5060
>                     SOCKNAME:
>                     OBPROXY:
>                 }
>             }
>
> In this case, HA_IP_1 is on this machine and HA_IP_2 is on another
> machine. When dispatcher with loadbalance is called on this scenario, it
> fails when choosing Peer_02 as destination.
>
> What i propose is Dispatcher removing Peer_02 from the destination list as
> long as HA_IP_2 isn't present on that machine. Is this possible?
>
> A segunda, 12/10/2020, 15:34, Duarte Rocha <duarterocha91 at gmail.com>
> escreveu:
>
>> Greetings,
>>
>> I have two machines with Kamailio in a HA setup with replicated DB. For
>> simplicity let's say each machine has one HA IP and that IP can jump to the
>> other machine in case something happens (kamailio stopping, etc).
>>
>> I'm using Dispatcher with load balance configuration. I have Dispatcher
>> configured so that each peer has one instance for socket with HA IP 1 and
>> HA IP 2.
>>
>> In order for this to work correctly on the load balance scenario I must
>> disable via RPC command the peer which has the socket that doesn't belong
>> to the machine. I also must do it every time the IP jumps back and forth,
>> which adds complexety to my system.
>>
>> Does Dispatcher has any sort of help on this? It could not include peers
>> with sockets IPs that don't belong to the machine in the destination set,
>> for example. Is this possible?
>>
>> I could also work with failover support but i would rather avoid having
>> so many failovers.
>>
>> Best Regards,A
>>
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