[Pacemaker] 2 node cluster with clvm, configuration help needed...

Dejan Muhamedagic dejanmm at fastmail.fm
Fri Jun 4 07:12:12 EDT 2010


On Fri, Jun 04, 2010 at 10:03:09AM +0200, Dejan Muhamedagic wrote:
> On Thu, Jun 03, 2010 at 07:57:59AM +0200, Andrew Beekhof wrote:
> > On Wed, Jun 2, 2010 at 1:25 PM,  <Patrik.Rapposch at knapp.com> wrote:
> > >
> > >
> > >
> > >
> > >
> > > hy,
> > >
> > > thx for your reply.
> > >
> > > I installed python-curses and xml, but didn't help.
> > 
> > Dejan?  Thoughts?
> 
> For whatever reason "import crm.main" fails. Patrik, could you
> remove the try/expect around it (in /usr/sbin/crm) and try again,
> perhaps it'll show a more specific error message.

Looking again at the code, it is most probably that the package
just can't be used on SLES, i.e. that the python paths for
modules differs. You can verify that with 'rpm -ql | grep /crm/'
and compare the output to the paths from the error message.

Thanks,

Dejan

> Otherwise, why do you want to install opensuse 11.0 packages on
> SLES11? It probably won't work and anyway you definitely won't
> get any support for that.
> 
> Thanks,
> 
> Dejan
> 
> > > Yeah first we used the hae extension, but as you told us, that the versions
> > > we use, are really old and this could be the problem, we tried to upgrade
> > > to newer versions to get it running.
> > >
> > > Is there maybe another way to get it running with newer versions?
> > 
> > was there nothing newer from yum?
> > I'm pretty sure the packages have been updated since then.
> > 
> > > or could
> > > you may please have a look on my config, which I had in the old running
> > > versions? I reattach it right now.
> > >
> > > thx.
> > >
> > > kr, patrik
> > >
> > > (See attached file: cib_aktuell.xml)
> > >
> > > Mit freundlichen Grüßen / Best Regards
> > >
> > > Patrik Rapposch
> > > System Administration
> > >
> > > KNAPP Systemintegration GmbH
> > > Waltenbachstraße 9
> > > 8700 Leoben, Austria
> > > Phone: +43 3842 805-915
> > > Fax: +43 3842 82930-500
> > > peter.wratitsch at knapp.com
> > > www.KNAPP.com
> > >
> > > Commercial register number: FN 138870x
> > > Commercial register court: Leoben
> > >
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> > >
> > >
> > >             Andrew Beekhof
> > >             <andrew at beekhof.n
> > >             et>                                                        An
> > >                                         The Pacemaker cluster resource
> > >             02.06.2010 12:53            manager
> > >                                         <pacemaker at oss.clusterlabs.org>
> > >                                                                     Kopie
> > >              Bitte antworten
> > >                    an                                               Thema
> > >               The Pacemaker             Re: [Pacemaker] Antwort: Re:
> > >             cluster resource            Antwort: Re: 2 node cluster with
> > >                  manager                clvm,     configuration help
> > >             <pacemaker at oss.cl           needed...
> > >              usterlabs.org>
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > On Wed, Jun 2, 2010 at 7:50 AM,  <Patrik.Rapposch at knapp.com> wrote:
> > >>
> > >>
> > >>
> > >>
> > >> hy,
> > >>
> > >> so I tried yesterday to update to a newer version. I am using sles11. At
> > >> least it worked with the opensuse 11.0 repo
> > >> (http://www.clusterlabs.org/rpm/opensuse-11.0/x86_64/) and one additional
> > >> library, which I got as rpm.
> > >>
> > >> The problem I have now is, that if I want to run the crm command, I get
> > >> following error:
> > >>
> > >> "abort: couldn't find crm libraries in [/usr/sbin /usr/lib/python26.zip
> > >> /usr/lib64/python2.6 /usr/lib64/python2.6/plat-linux2
> > >> /usr/lib64/python2.6/lib-tk /usr/lib64/python2.6/lib-old
> > >> /usr/lib64/python2.6/lib-dynload /usr/lib64/python2.6/site-packages
> > >> /usr/lib64/python2.6/site-packages/Numeric
> > >> /usr/local/lib64/python2.6/site-packages
> > >> /usr/lib64/python2.6/site-packages/gtk-2.0]
> > >> (check your install and PYTHONPATH)"
> > >>
> > >> I don't know what libraries it is exactly searching for,
> > >
> > > you might be missing python-curses and python-xml
> > >
> > >> I tried
> > >> rearranging my PYTHONPATH to some directories, but had no access. The
> > > next
> > >> thing I saw was, that it now works with corosync (had to configure it)
> > >> instead of openais and that the gui totally disappeared, so I have no
> > >> commands like "crm_gui" or "hb_gui".
> > >
> > > Since you're on SLES, have you thought about using the HAE extension?
> > > It has all the above plus the gui.
> > >
> > >>
> > >> Do you maybe know how to fix this, or do you know a successfull way to
> > >> implement a newer version into sles11. Service pack for sles11 should be
> > >> available today, but they didn't make it available right now, so I dunno
> > > if
> > >> there is also a hae sp1, which has newer versions in it.
> > >>
> > >> Thx for your help.
> > >>
> > >> Mit freundlichen Grüßen / Best Regards
> > >>
> > >> Patrik Rapposch, Bsc.
> > >> Systemadministration
> > >>
> > >> KNAPP Systemintegration GmbH
> > >> Waltenbachstraße 9
> > >> 8700 Leoben, Austria
> > >> Phone: +43 3842 805
> > >> Mobil:
> > >> Fax: +43 3842 82930-990
> > >> patrik.rapposch at knapp.com
> > >> www.KNAPP.com
> > >>
> > >> Commercial register number: FN 138870x
> > >> Commercial register court: Leoben
> > >>
> > >>
> > >>
> > >>             Andrew Beekhof
> > >>             <andrew at beekhof.n
> > >>             et>                                                        An
> > >>                                         The Pacemaker cluster resource
> > >>             31.05.2010 08:46            manager
> > >>                                         <pacemaker at oss.clusterlabs.org>
> > >>                                                                     Kopie
> > >>              Bitte antworten
> > >>                    an                                               Thema
> > >>               The Pacemaker             Re: [Pacemaker] Antwort: Re: 2
> > >>             cluster resource            node cluster with clvm,
> > >>                  manager                configuration   help needed...
> > >>             <pacemaker at oss.cl
> > >>              usterlabs.org>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >> On Mon, May 31, 2010 at 8:37 AM,  <Patrik.Rapposch at knapp.com> wrote:
> > >>>
> > >>>
> > >>>
> > >>>
> > >>> hy,
> > >>>
> > >>> thx for your reply.
> > >>> k, i'll try that in the next few hours.
> > >>>
> > >>> is there any other possibility, why there is such a strange behaviour in
> > >>> the cluster?
> > >>>
> > >>> I short redesribe the main problem:
> > >>>
> > >>> failover between the nodes works fine, the ressources get started on the
> > >>> remaining node (let it be node2). When node1 comes back online,
> > >>> the resources on node2 get stopped and started again on node2. ---> very
> > >>> strange. I already tried a lot, but didn't find a solution.
> > >>>
> > >>> so the failback has a bug.
> > >>
> > >> Or did have a year ago when 1.0.3 was out... you might have more luck
> > >> with something a little more recent.
> > >>
> > >> _______________________________________________
> > >> 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
> > >>
> > >>
> > >>
> > >> _______________________________________________
> > >> 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
> > >>
> > >
> > > _______________________________________________
> > > 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
> > >
> > > _______________________________________________
> > > 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
> > >
> > >
> > 
> > _______________________________________________
> > 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




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