[Linux-cluster] sharing same ip with 2 services on two nodes

[Juan Ramon Martin Blanco]

On Fri, Apr 17, 2009 at 12:57 PM, ESGLinux <esggrupos at gmail.com> wrote:

> Hello all,
>
> I have a doubt about using the same service ip with two diferent services
> in two diferent nodes of my two-nodes-cluster.


>
> I´ll explain it a litle:
>
> I have two services: BBDD and HTTPD
>
> I have configured a shared IP: 192.168.1.100
>
Hi,
You _must_ use a different  IP, cannot have the same IP on different
machines.

Greetings,
Juanra

>
> two nodes: node1 and node2.
>
> When I run the two services on node1 all runs ok. If I try to relocate one
> service, with
>
> clusvcadm -r BBDD -m node2
>
> it fails with the error:
>  in.rdiscd[4805]: setsockopt (IP_ADD_MEMBERSHIP): Address already in use
>  in.rdiscd[4805]: Failed joining addresses
>
> I suposse that is because one services is on node1 with the ip and the
> other trys to run in node2 with the same ip.
>
> So my question is if it is possible to run the services this way or I need
> an ip per service?
> (I have tested that with 2 diferent ips I can run BBDD on node1 an HTTPD on
> node2)
>
> Thanks in advance
>
> ESG
>
>
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