[Pacemaker] apache service started with different options on failover

Nikita Michalko michalko.system at a-i-p.com
Fri Sep 23 03:05:10 EDT 2011


Hi Filip,


could you be a little bit more precise and explain, what does it mean:
"somehow solved the previous issue" ? I'm interesting on it ;-)


Am Mittwoch, 21. September 2011 18:50:44 schrieb Filip Sakáloš:
> Hello,
> 
> I have somehow solved the previous issue. Anyway, thanks for answers.  Now
>  I would have a slightly different question. I need to have two apaches,
>  each running on it's own node. However, when one of the nodes fail, I
>  basically just need the apache resource on the working node to stop and
>  start again (we have our own script that will handle the rest). What would
>  be the best way to do this? I have looked in to the Pacemaker Explained
>  documentation, but didn't find how to do it (sorry if I was just blind -
>  if yes, could you refer me to the specific part of the documentation where
>  it's written about?).
> 
> On 20.9.2011, at 3:48, Andrew Beekhof wrote:
> > On Mon, Sep 19, 2011 at 1:29 AM, Filip Sakáloš <fsakalos at aariadne.com> 
wrote:
> >>> Hello there,
> >>>
> >>> I am currently developing a cluster, which main principle is to run
> >>> some resources on one node and another resources on another node. This
> >>> is quite simple to configure, but I have encountered a problem with
> >>> configuring apache resource. I need apache to start on both nodes, but
> >>> with different options (node1 with -DPROD and node2 with -DPUBLIC).
> >>> However, when apache (or whole node fails), I need the apache on the
> >>> working node to restart with both above options (e.g. node1 with -DPROD
> >>> -DPUBLIC).
> >>>
> >>> I have tried clone, but did not get very far. Other option I tried was
> >>> to create 2 apache services (apache-single & apache-both) in cluster
> >>> configuration and create an anti-colocation that would cause the
> >>> resource apache-single to stop when apache-both starts. This somehow
> >>> doesn't work either.
> >
> > It should. What did you configuration look like? What pacemaker version?
> >
> >>> Does anyone have a clue or an idea how it could be solved?
> >>>
> >>>
> >>>
> >>>
> >>> Filip
> >>
> >> _______________________________________________
> >> 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=Pacemake
> >>r
> >
> > _______________________________________________
> > 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
> 

Best regards

Nikita Michalko  




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