[Pacemaker] Exclude resource from host

Wed Mar 9 11:28:14 UTC 2011

On Wed, Mar 09, 2011 at 10:16:31AM +0000, Arthur B. Olsen wrote:
> 
> 
> On 08-03-11 11:11, "Dejan Muhamedagic" <dejanmm at fastmail.fm> wrote:
> 
> >Hi,
> >
> >On Tue, Mar 08, 2011 at 07:05:04AM +0000, Arthur B. Olsen wrote:
> >> But it will still give me an action failed for those nodes where fx
> >>nfs-kernel-server is not installed. And when both nfs nodes are down it
> >>will try to get it running on the sql servers
> >
> >Pacemaker will never try to run a resource on a node for which
> >its score is negative. Do you also get errors on probes
> >(monitor)? If so, then that should be either fixed in the RA or
> >you can just install nfs server packages.
> 
> I get these errors on my mysql hosts:
> ERROR: lsb:nfs-common: could not parse meta-data:
> ERROR: lsb:nfs-common: no such resource agent
> ERROR: lsb:nfs-kernel-server: could not parse meta-data:
> ERROR: lsb:nfs-kernel-server: no such resource agent

These are errors you get from the crm shell. They have nothing to
do with the issue you reported. IIRC, if your configuration
stated that this is an asymmetrical cluster (which it actually
is), the shell wouldn't complain about missing agents.

Thanks,

Dejan

> I could install the nfs software on the mysql servers and mysql on the nfs
> server. 
> But it does not seem like an elegant solution.
> 
> >
> >Thanks,
> >
> >Dejan
> >
> >> Arthur B Olsen
> >> Føroya Tele
> >> +298 243392
> >> +298 303392
> >> 
> >> On 07/03/2011, at 21.27, "Glenn Elliott"
> >><gelliott at stvincents.com.au<mailto:gelliott at stvincents.com.au>> wrote:
> >> 
> >> Does a location rule help?
> >> 
> >> node <http://node1.foo.com> node1.foo.com<http://node1.foo.com>
> >> node <http://node2.foo.com> node2.foo.com<http://node2.foo.com>
> >> primitive node1-ip ocf:heartbeat:IPaddr \
> >>         params ip="10.56.0.10" cidr_netmask="24" \
> >>         op monitor interval="10s"
> >> location exclude_node node1-ip -inf: <http://node1.foo.com>
> >>node1.foo.com<http://node1.foo.com>
> >> 
> >> 
> >> >>> On 8/03/2011 at 5:58 am, in message
> >><4D752AEF.1070301 at huapi.ba.ar<mailto:4D752AEF.1070301 at huapi.ba.ar>>,
> >>tron at huapi.ba.ar<mailto:tron at huapi.ba.ar> wrote:
> >> Beware: sorcerer's apprentice advice:
> >> 
> >> What about Lars' double negation trick of having an -infinite rule
> >> applied to this resource living in other than the two "good" nodes ?
> >> 
> >> -Carlos
> >> 
> >> Arthur B. Olsen @ 07/03/2011 15:02 -0300 dixit:
> >> > I was wondering how to make a resource not to run on a certain host.
> >>I have two nfs servers an two mysql server in one cluster. Now i get
> >>failed actions because nfs is not installed on mysql an visa versa.
> >> >
> >> > Maybe this is trivial, but it has escaped me
> >> >
> >> > Thanks
> >> >
> >> >
> >> > Arthur B Olsen
> >> > Føroya Tele
> >> > +298 243392
> >> > +298 303392
> >> > _______________________________________________
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> >>r> 
> >>http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
> >> 
> >> --
> >> Carlos G Mendioroz  <tron at huapi.ba.ar<mailto:tron at huapi.ba.ar>>  LW7
> >>EQI  Argentina
> >> 
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> >><http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemake
> >>r> 
> >>http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
> >> 
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> >>r> 
> >>http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
> >
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> >
> >
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> 
> 
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