[Pacemaker] Active / Active pacemaker configuration advice

Dejan Muhamedagic dejanmm at fastmail.fm
Wed Nov 24 13:37:07 UTC 2010


Hi,

On Tue, Nov 23, 2010 at 09:10:58AM +0100, 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:

You want some kind of hot-standby service? Why would you want to
restart it then?

> 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?

Sorry, didn't quite understand what you want to achieve. Can you
please rephrase.

Thanks,

Dejan

> 
> 
> 
> Regards,
> 
> 
> Marko
> 
> *
> *

> _______________________________________________
> 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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker





More information about the Pacemaker mailing list