Piranha load balancing, all requests from client end up with one real server, not load balancing
Herta Van den Eynde
herta.vandeneynde at gmail.com
Thu Jul 19 19:14:11 UTC 2007
On 19/07/07, Sanjay Mahapatra <sanzem at yahoo.com> wrote:
> Hello
>
>
> I have a pirahna load balancer set up with a virtual server /IP that routes
> UDP protocol messages to TWO real server host-ports.
>
> One host runs pirahna and two other hosts act as the real servers in the is
> scenario, all three hosts run on Redhat EL 4 cluster.
>
>
> The network type is : Direct Routing, and there is no firewall involved
> between these hosts.
>
>
> The LVS routing table shows both the routes while both real servers are
> healthy.
>
> Problem :
>
> Even though I have persistence turned off ( Persistence set to zero seconds
> ), it appears that all requests from the same client IP get routed to
> ONE of the real servers. I am unable to achieve load distribution between
> the two available real servers ( running an automated load test that
> originates from a single client IP )
>
> I used round robin at first and later used least connection based scheduling
> algorithm, but in each case only one of the real servers appears to receive
> all messages from the same client.
>
>
> Is there something I am missing ?
>
> Thanks in advance.
>
> Sanjay Mahapatra
Hi Sanjay,
Could you post your config file?
This sounds like a test environment. Is the client on the same LAN as
the real servers? In that case, did you verify that the packets pass
through the load balancer?
Kind regards,
Herta
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