[Pacemaker] Active / Active pacemaker configuration advice

[Marko Potocnik]

I'm using ftp just for test. I want a service to run on both nodes and only
IP to move in case a service fails.
I don't want to stop / start service if node fails.



On Tue, Nov 23, 2010 at 9:55 AM, Michael Schwartzkopff <misch at clusterbau.com
> wrote:

> On Tuesday 23 November 2010 09:10:58 Marko Potocnik wrote:
> > Hi,
> >
> >
> >
> > I am trying to configure a service (ftp for proof of concept) to run in
> an
> > active / active configuration. A floating IP is used to access this
> > service. What I am trying to achieve is that a floating IP would move to
> > second node, if service fails on the first node. After that service
> should
> > be restarted.
> >
> > I am able to achieve all but the restart of the service with the
> following
> > configuration:
> >
> >
> >
> > node $id="34d5eba9-130f-4c64-9460-4a5310ac510c" jesenice.iskratel.si \
> >
> >         attributes standby="off"
> >
> > node $id="5fdf23a5-61c4-4a57-80fb-c764954a5f14" olimpija.iskratel.si \
> >
> >         attributes standby="off"
> >
> > *primitive res_ftp lsb:vsftpd \*
> >
> > *        meta migration-threshold="1" \*
> >
> > *        op monitor on-fail="restart" interval="10s"*
> >
> > *primitive res_ip_ftp ocf:heartbeat:IPaddr2 \*
> >
> > *        params ip="172.18.251.6" cidr_netmask="24" \*
> >
> > *        op monitor interval="15s" timeout="30s"*
> >
> > *clone c_ftp res_ftp \*
> >
> > *        meta clone-max="2" clone-node-max="1" globally-unique="false"
> > target-role="Started"*
> >
> > *colocation c_ip_on_ftp inf: res_ip_ftp c_ftp*
> >
> > property $id="cib-bootstrap-options" \
> >
> >         dc-version="1.0.8-9881a7350d6182bae9e8e557cf20a3cc5dac3ee7" \
> >
> >         cluster-infrastructure="Heartbeat" \
> >
> >         stonith-enabled="false" \
> >
> >         default-resource-stickiness="200" \
> >
> >         no-quorum-policy="ignore" \
> >
> >         last-lrm-refresh="1290440895"
> >
> >
> >
> > If I up the migration-threshold then service restarts n times, but
> floating
> > IP doesn’t move to another node. Do you have any idea how to achieve the
> > desired configuration?
> >
> >
> >
> > Regards,
> >
> >
> > Marko
>
> Why do you clone the FTP server? Use a simple FTP server resource and make
> a
> group from IP and FTP.
>
> --
> Dr. Michael Schwartzkopff
> Guardinistr. 63
> 81375 München
>
> Tel: (0163) 172 50 98
>
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