[Pacemaker] Problem with ClusterIP

Anne Nicolas ennael1 at gmail.com
Wed Nov 26 12:31:57 UTC 2014


2014-11-26 13:22 GMT+01:00 Keith Ouellette <KeithO at fibermountain.com>:

> Anne,
>
> Are you expecting the eth0 to actually put in the "down" state like using
> the "ifconfig eth0 down" command? If so the IPaddr2 resource does not do
> that. What that is used for is to configure a second IP address on the NIC
> that can be moved around from "eth0" on each node. Can you clearify that?
> Also, can you paste the output of the "ip addr" command as well? The full
> configuration of "crm configure show" would also be helpful
>

Maybe I've misunderstood documentation but just reused
http://clusterlabs.org/doc/en-US/Pacemaker/1.1-plugin/html-single/Clusters_from_Scratch/#_perform_a_failover
 It seemed to work at the beginning as expected.

I've sent some minutes ago my full configuration

>
> Thanks,
> Keith
>
>
>
> Keith Ouellette
>
> KeithO at fibermountain.com
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> -----Original Message-----
> From: Anne Nicolas [mailto:ennael1 at gmail.com]
> Sent: Wednesday, November 26, 2014 6:54 AM
> To: pacemaker at oss.clusterlabs.org
> Subject: Re: [Pacemaker] Problem with ClusterIP
>
> Le 26/11/2014 12:23, Michael Schwartzkopff a écrit :
> > Am Mittwoch, 26. November 2014, 12:01:36 schrieb Anne Nicolas:
> >> Hi !
> >>
> >> I've been using clusterip for a while now without any problem in
> >> Active/Passive clusters (2 nodes).
> >
> > Could you please explain, how could you use the ClusterIP in a
> > active/passive cluster? ClusterIP ist for the use in an active/active
> > cluster. See man iptables and look for the CLUSTERIP target.
>
> >
> > Please explain more detailed.
> > What is your config?
> > What do you expect the cluster to do?
> > What really happens?
> > Where is  the problem?
>
> Maybe my explanation was not that clear. Here is my configuration
>
> crm configuration show
>
> node $id="17435146" pogcupsvr
> node $id="34212362" pogcupsvr2
> primitive apache ocf:heartbeat:apache \
>          params configfile="/etc/httpd/conf/httpd.conf" \
>          op start interval="0" timeout="40s" \
>          op stop interval="0" timeout="60s"
> primitive clusterip ocf:heartbeat:IPaddr2 \
>          params ip="172.16.16.11" cidr_netmask="24" nic="eth0" \
>          meta target-role="Started"
> ...
> property $id="cib-bootstrap-options" \
>
> dc-version="1.1.7-2.mga1-ee0730e13d124c3d58f00016c3376a1de5323cff" \
>          cluster-infrastructure="corosync" \
>          stonith-enabled="false" \
>          no-quorum-policy="ignore"
> rsc_defaults $id="rsc-options" \
>          resource-stickiness="100"
>
> So I've started primary node (pogcupsvr). Configuration was checked and
> ok. Then started the second node (pogcupsvr2). This time all the
> configuration looked ok, no error but when I checked the network
> configuration, eth0 was up on both nodes with same IP address of course,
> instead of having it up only on primary node.
>
> What I was expected (and in all other tests it was ok ) is that eth0 was
> up only on primary node and used by apache server.
> >
> >> I'm looking for ideas to investigate the causes for such a problem.
> >> If anybody can help me on this, I would be gratefull
> >
> > Yes, I think I can help ;-)
>
> Thanks for that :)
> >
> >
> > Mit freundlichen Grüßen,
> >
> > Michael Schwartzkopff
> >
> >
> >
> > _______________________________________________
> > Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> >
> > Project Home: http://www.clusterlabs.org Getting started:
> > http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> > Bugs: http://bugs.clusterlabs.org
> >
>
>
> --
> Anne
> http://mageia.org
>
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> http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
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>
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>



-- 
Anne
http://www.mageia.org
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