[Pacemaker] does stonith resource need addition constriants?

[Alan Jones]

Below I have the commands that built this configuration and then some errors
I encounter during failover.
Should I add contraints to tell Pacemaker that these resources are only to
run on one node (each the other)?
Do you know what the PE processing error is about?  I've attached the first
bz2 file.
Alan

# crm
crm(live)# configure primitive dd690-41-stonith stonith:external/ipmi params
hostname=dd690-41.datadomain.com ipaddr=192.168.198.11 userid=sysadmin
passwd=abc123 interface=lan
crm(live)# configure primitive dd690-42-stonith stonith:external/ipmi params
hostname=dd690-42.datadomain.com ipaddr=192.168.198.12 userid=sysadmin
passwd=abc123 interface=lan

# grep ERR /var/log/debug/ha/ha-debug
Feb 12 13:02:22 dd690-41.datadomain.com pengine: [12353]: ERROR:
native_add_running: Resource
stonith::external/ipmi:dd690-41.datadomain.com-stonith appears to be active
on 2 nodes.
Feb 12 13:02:22 dd690-41.datadomain.com pengine: [12353]: ERROR:
process_pe_message: Transition 1: ERRORs found during PE processing. PEngine
Input stored in: /ddr/var/lib/pengine/pe-error-0.bz2
Feb 12 13:02:22 dd690-41.datadomain.com pengine: [12353]: ERROR:
native_add_running: Resource
stonith::external/ipmi:dd690-41.datadomain.com-stonith appears to be active
on 2 nodes.
Feb 12 13:02:22 dd690-41.datadomain.com pengine: [12353]: ERROR:
process_pe_message: Transition 2: ERRORs found during PE processing. PEngine
Input stored in: /ddr/var/lib/pengine/pe-error-1.bz2
Feb 12 13:02:22 dd690-41.datadomain.com pengine: [12353]: ERROR:
native_add_running: Resource
stonith::external/ipmi:dd690-41.datadomain.com-stonith appears to be active
on 2 nodes.
Feb 12 13:02:22 dd690-41.datadomain.com pengine: [12353]: ERROR:
process_pe_message: Transition 3: ERRORs found during PE processing. PEngine
Input stored in: /ddr/var/lib/pengine/pe-error-2.bz2
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