[ClusterLabs] Antwort: Re: clone resource - pacemaker remote

[philipp.achmueller at arz.at]

Ken Gaillot <kgaillot at redhat.com> schrieb am 02.12.2016 19:27:09:

> Von: Ken Gaillot <kgaillot at redhat.com>
> An: users at clusterlabs.org
> Datum: 02.12.2016 19:32
> Betreff: Re: [ClusterLabs] clone resource - pacemaker remote
> 
> On 12/02/2016 07:08 AM, philipp.achmueller at arz.at wrote:
> > hi,
> > 
> > what is best way to prevent clone resource trying to run on 
remote/guest
> > nodes?
> 
> location constraints with a negative score:
> 
> http://clusterlabs.org/doc/en-US/Pacemaker/1.1-pcs/html-single/
> 
Pacemaker_Explained/index.html#_deciding_which_nodes_a_resource_can_run_on
> 
> 
> you can even use a single constraint with a rule based on #kind ne
> cluster, so you don't need a separate constraint for each node:
> 
> http://clusterlabs.org/doc/en-US/Pacemaker/1.1-pcs/html-single/
> Pacemaker_Explained/index.html#_node_attribute_expressions
> 
> 
> alternatively, you can set symmetric-cluster=false and use positive
> constraints for cluster nodes only
> 

set constraint to single primitive, group, or on clone resource?
are there any advantages/disadvantages using one of these methods?

> > 
> > ...
> > node 167873318: lnx0223a \
> >         attributes maintenance=off
> > node 167873319: lnx0223b \
> >         attributes maintenance=off
> > ...
> > /primitive vm-lnx0107a VirtualDomain \/
> > /        params hypervisor="qemu:///system"
> > config="/etc/kvm/lnx0107a.xml" \/
> > /        meta remote-node=lnx0107a238 \/
> > /        utilization cpu=1 hv_memory=4096/
> > /primitive remote-lnx0106a ocf:pacemaker:remote \/
> > /        params server=xx.xx.xx.xx \/
> > /        meta target-role=Started/
> > /group base-group dlm clvm vg1/
> > /clone base-clone base-group \/
> > /        meta interleave=true target-role=Started/
> > /.../
> > 
> > /Dec  1 14:32:57 lnx0223a crmd[9826]:   notice: Initiating start
> > operation dlm_start_0 on lnx0107a238/
> > /Dec  1 14:32:58 lnx0107a pacemaker_remoted[1492]:   notice: executing 
-
> > rsc:dlm action:start call_id:7/
> > /Dec  1 14:32:58 lnx0107a pacemaker_remoted[1492]:   notice: finished 
-
> > rsc:dlm action:start call_id:7  exit-code:5 exec-time:16ms 
queue-time:0ms/
> > /Dec  1 14:32:58 lnx0223b crmd[9328]:    error: Result of start
> > operation for dlm on lnx0107a238: Not installed/
> > /Dec  1 14:32:58 lnx0223a crmd[9826]:  warning: Action 31 
(dlm_start_0)
> > on lnx0107a238 failed (target: 0 vs. rc: 5): Error/
> > /Dec  1 14:32:58 lnx0223a crmd[9826]:  warning: Action 31 
(dlm_start_0)
> > on lnx0107a238 failed (target: 0 vs. rc: 5): Error/
> > /Dec  1 14:34:07 lnx0223a pengine[9824]:  warning: Processing failed 
op
> > start for dlm:2 on lnx0107a238: not installed (5)/
> > /Dec  1 14:34:07 lnx0223a pengine[9824]:  warning: Processing failed 
op
> > start for dlm:2 on lnx0107a238: not installed (5)/
> > /.../
> > /Dec  1 14:32:49 lnx0223a pengine[9824]:   notice: Start 
> > dlm:3#011(remote-lnx0106a)/
> > /Dec  1 14:32:49 lnx0223a crmd[9826]:   notice: Initiating monitor
> > operation dlm_monitor_0 locally on remote-lnx0106a/
> > /Dec  1 14:32:50 lnx0223a crmd[9826]:    error: Result of probe
> > operation for dlm on remote-lnx0106a: Not installed/
> > /Dec  1 14:32:50 lnx0223a crmd[9826]:  warning: Action 5 
(dlm_monitor_0)
> > on remote-lnx0106a failed (target: 7 vs. rc: 5): Error/
> > /Dec  1 14:32:50 lnx0223a crmd[9826]:  warning: Action 5 
(dlm_monitor_0)
> > on remote-lnx0106a failed (target: 7 vs. rc: 5): Error/
> > /.../
> > 
> > ---
> > env: pacemaker-1.1.15-19.15.x86_64
> > 
> > thank you!
> 
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