Thresholding on WSMan datasources appears broken

2017-05-18 11:08:40,184 INFO  [Collectd-Thread-11-of-75] o.o.n.t.ThresholdingSet: applyThresholds: Processing threshold wmiLDPctFreeMBytes : {evaluator=low, dsName=wmiLDPctFreeMBytes, dsType=wmiLogicalDisk, evaluators=[{ds=wmiLDPctFreeMBytes, value=10240.0, rearm=12288.0, trigger=2}]} on resource Resource[GenericTypeResource[node=NodeLevelResource[nodeId=1158], resourceType=ResourceType [name=wmiLogicalDisk, label=(wsman) Logical Storage, resourceLabel=Logical Disk (${wmiLDName}), persistenceSelectorStrategy=PersistenceSelectorStrategy [class=org.opennms.netmgt.collection.support.PersistAllSelectorStrategy, parameters=[]], storageStrategy=StorageStrategy [class=org.opennms.netmgt.dao.support.SiblingColumnStorageStrategy, parameters=[Parameter [key=sibling-column-name, value=wmiLDName], Parameter [key=replace-first, value=s/^\d+\s//], Parameter [key=replace-all, value=s/\s//], Parameter [key=replace-all, value=s/:/_/]]]],storageStrategy=org.opennms.netmgt.dao.support.SiblingColumnStorageStrategy@9520c7d, persistenceSelectorStrategy=org.opennms.netmgt.collection.support.PersistAllSelectorStrategy@6cca9b1e]/Node[1158]
2017-05-18 11:08:40,184 DEBUG [Collectd-Thread-11-of-75] o.o.n.t.CollectionResourceWrapper: getAttributeValue: id=node[1158].resourceType[wmiLogicalDisk].instance[null].metric[wmiLDPctFreeMBytes], value= 3797.0
2017-05-18 11:08:40,184 INFO  [Collectd-Thread-11-of-75] o.o.n.t.ThresholdingSet: applyThresholds: All attributes found for Resource[GenericTypeResource[node=NodeLevelResource[nodeId=1158], resourceType=ResourceType [name=wmiLogicalDisk, label=(wsman) Logical Storage, resourceLabel=Logical Disk (${wmiLDName}), persistenceSelectorStrategy=PersistenceSelectorStrategy [class=org.opennms.netmgt.collection.support.PersistAllSelectorStrategy, parameters=[]], storageStrategy=StorageStrategy [class=org.opennms.netmgt.dao.support.SiblingColumnStorageStrategy, parameters=[Parameter [key=sibling-column-name, value=wmiLDName], Parameter [key=replace-first, value=s/^\d+\s//], Parameter [key=replace-all, value=s/\s//], Parameter [key=replace-all, value=s/:/_/]]]],storageStrategy=org.opennms.netmgt.dao.support.SiblingColumnStorageStrategy@9520c7d, persistenceSelectorStrategy=org.opennms.netmgt.collection.support.PersistAllSelectorStrategy@6cca9b1e]/Node[1158], evaluating
2017-05-18 11:08:40,184 DEBUG [Collectd-Thread-11-of-75] o.o.n.t.ThresholdEntity: evaluate: value= 3797.0 against threshold: {evaluator=low, dsName=wmiLDPctFreeMBytes, dsType=wmiLogicalDisk, evaluators=[{ds=wmiLDPctFreeMBytes, value=10240.0, rearm=12288.0, trigger=2}]}
*2017-05-18 11:08:40,184 DEBUG [Collectd-Thread-11-of-75] o.o.n.t.ThresholdEvaluatorHighLow: evaluate: low threshold exceeded, count=1*
2017-05-18 11:08:40,184 INFO  [Collectd-Thread-11-of-75] o.o.n.t.ThresholdingSet: applyThresholds: Processing threshold wmiLDPctFreeSpace : {evaluator=low, dsName=wmiLDPctFreeSpace, dsType=wmiLogicalDisk, evaluators=[{ds=wmiLDPctFreeSpace, value=2.0, rearm=3.0, trigger=2}]} on resource Resource[GenericTypeResource[node=NodeLevelResource[nodeId=1158], resourceType=ResourceType [name=wmiLogicalDisk, label=(wsman) Logical Storage, resourceLabel=Logical Disk (${wmiLDName}), persistenceSelectorStrategy=PersistenceSelectorStrategy [class=org.opennms.netmgt.collection.support.PersistAllSelectorStrategy, parameters=[]], storageStrategy=StorageStrategy [class=org.opennms.netmgt.dao.support.SiblingColumnStorageStrategy, parameters=[Parameter [key=sibling-column-name, value=wmiLDName], Parameter [key=replace-first, value=s/^\d+\s//], Parameter [key=replace-all, value=s/\s//], Parameter [key=replace-all, value=s/:/_/]]]],storageStrategy=org.opennms.netmgt.dao.support.SiblingColumnStorageStrategy@9520c7d, persistenceSelectorStrategy=org.opennms.netmgt.collection.support.PersistAllSelectorStrategy@6cca9b1e]/Node[1158]
2017-05-18 11:08:40,184 DEBUG [Collectd-Thread-11-of-75] o.o.n.t.CollectionResourceWrapper: getAttributeValue: id=node[1158].resourceType[wmiLogicalDisk].instance[null].metric[wmiLDPctFreeSpace], value= 5.0
2017-05-18 11:08:40,184 INFO  [Collectd-Thread-11-of-75] o.o.n.t.ThresholdingSet: applyThresholds: All attributes found for Resource[GenericTypeResource[node=NodeLevelResource[nodeId=1158], resourceType=ResourceType [name=wmiLogicalDisk, label=(wsman) Logical Storage, resourceLabel=Logical Disk (${wmiLDName}), persistenceSelectorStrategy=PersistenceSelectorStrategy [class=org.opennms.netmgt.collection.support.PersistAllSelectorStrategy, parameters=[]], storageStrategy=StorageStrategy [class=org.opennms.netmgt.dao.support.SiblingColumnStorageStrategy, parameters=[Parameter [key=sibling-column-name, value=wmiLDName], Parameter [key=replace-first, value=s/^\d+\s//], Parameter [key=replace-all, value=s/\s//], Parameter [key=replace-all, value=s/:/_/]]]],storageStrategy=org.opennms.netmgt.dao.support.SiblingColumnStorageStrategy@9520c7d, persistenceSelectorStrategy=org.opennms.netmgt.collection.support.PersistAllSelectorStrategy@6cca9b1e]/Node[1158], evaluating
2017-05-18 11:08:40,184 DEBUG [Collectd-Thread-11-of-75] o.o.n.t.ThresholdEntity: evaluate: value= 5.0 against threshold: {evaluator=low, dsName=wmiLDPctFreeSpace, dsType=wmiLogicalDisk, evaluators=[{ds=wmiLDPctFreeSpace, value=2.0, rearm=3.0, trigger=2}]}
2017-05-18 11:08:40,185 DEBUG [Collectd-Thread-11-of-75] o.o.n.c.a.AttributeGroup: Visiting Group AttrGroupType[name=windows-os-wmi-LogicalDisk, ifType=all] for 0@1158
2017-05-18 11:08:40,185 DEBUG [Collectd-Thread-11-of-75] o.o.n.c.s.AbstractCollectionAttribute: Visiting attribute Attribute[wmiLDName:D:]
2017-05-18 11:08:40,185 DEBUG [Collectd-Thread-11-of-75] o.o.n.c.s.AbstractCollectionAttribute: Visiting attribute Attribute[wmiLDPctFreeMBytes:436894.0]
2017-05-18 11:08:40,185 DEBUG [Collectd-Thread-11-of-75] o.o.n.t.ThresholdingSet: hasThresholds: wmiLogicalDisk@wmiLDPctFreeMBytes? true
2017-05-18 11:08:40,185 DEBUG [Collectd-Thread-11-of-75] o.o.n.t.ThresholdingVisitor: visitAttribute: storing value 436894.0 for attribute named wmiLDPctFreeMBytes
2017-05-18 11:08:40,185 DEBUG [Collectd-Thread-11-of-75] o.o.n.c.s.AbstractCollectionAttribute: Visiting attribute Attribute[wmiLDPctDiskRdTime:0.0]
2017-05-18 11:08:40,185 DEBUG [Collectd-Thread-11-of-75] o.o.n.c.s.AbstractCollectionAttribute: Visiting attribute Attribute[wmiLDPctDiskWrTime:0.0]
2017-05-18 11:08:40,185 DEBUG [Collectd-Thread-11-of-75] o.o.n.c.s.AbstractCollectionAttribute: Visiting attribute Attribute[wmiLDPctFreeSpace:94.0]
2017-05-18 11:08:40,185 DEBUG [Collectd-Thread-11-of-75] o.o.n.t.ThresholdingSet: hasThresholds: wmiLogicalDisk@wmiLDPctFreeSpace? true
2017-05-18 11:08:40,185 DEBUG [Collectd-Thread-11-of-75] o.o.n.t.ThresholdingVisitor: visitAttribute: storing value 94.0 for attribute named wmiLDPctFreeSpace
2017-05-18 11:08:40,185 DEBUG [Collectd-Thread-11-of-75] o.o.n.c.s.AbstractCollectionAttribute: Visiting attribute Attribute[wmiLDSplitIOsPerSec:0.0]
2017-05-18 11:08:40,185 DEBUG [Collectd-Thread-11-of-75] o.o.n.t.ThresholdingSet: applyThresholds: Applying thresholds on Resource[GenericTypeResource[node=NodeLevelResource[nodeId=1158], resourceType=ResourceType [name=wmiLogicalDisk, label=(wsman) Logical Storage, resourceLabel=Logical Disk (${wmiLDName}), persistenceSelectorStrategy=PersistenceSelectorStrategy [class=org.opennms.netmgt.collection.support.PersistAllSelectorStrategy, parameters=[]], storageStrategy=StorageStrategy [class=org.opennms.netmgt.dao.support.SiblingColumnStorageStrategy, parameters=[Parameter [key=sibling-column-name, value=wmiLDName], Parameter [key=replace-first, value=s/^\d+\s//], Parameter [key=replace-all, value=s/\s//], Parameter [key=replace-all, value=s/:/_/]]]],storageStrategy=org.opennms.netmgt.dao.support.SiblingColumnStorageStrategy@2934d8ac, persistenceSelectorStrategy=org.opennms.netmgt.collection.support.PersistAllSelectorStrategy@71c3a40]/Node[1158] using 2 attributes.
2017-05-18 11:08:40,185 INFO  [Collectd-Thread-11-of-75] o.o.n.t.ThresholdingSet: applyThresholds: Processing threshold wmiLDPctFreeMBytes : {evaluator=low, dsName=wmiLDPctFreeMBytes, dsType=wmiLogicalDisk, evaluators=[{ds=wmiLDPctFreeMBytes, value=10240.0, rearm=12288.0, trigger=2}]} on resource Resource[GenericTypeResource[node=NodeLevelResource[nodeId=1158], resourceType=ResourceType [name=wmiLogicalDisk, label=(wsman) Logical Storage, resourceLabel=Logical Disk (${wmiLDName}), persistenceSelectorStrategy=PersistenceSelectorStrategy [class=org.opennms.netmgt.collection.support.PersistAllSelectorStrategy, parameters=[]], storageStrategy=StorageStrategy [class=org.opennms.netmgt.dao.support.SiblingColumnStorageStrategy, parameters=[Parameter [key=sibling-column-name, value=wmiLDName], Parameter [key=replace-first, value=s/^\d+\s//], Parameter [key=replace-all, value=s/\s//], Parameter [key=replace-all, value=s/:/_/]]]],storageStrategy=org.opennms.netmgt.dao.support.SiblingColumnStorageStrategy@2934d8ac, persistenceSelectorStrategy=org.opennms.netmgt.collection.support.PersistAllSelectorStrategy@71c3a40]/Node[1158]
2017-05-18 11:08:40,185 DEBUG [Collectd-Thread-11-of-75] o.o.n.t.CollectionResourceWrapper: getAttributeValue: id=node[1158].resourceType[wmiLogicalDisk].instance[null].metric[wmiLDPctFreeMBytes], value= 436894.0
2017-05-18 11:08:40,185 INFO  [Collectd-Thread-11-of-75] o.o.n.t.ThresholdingSet: applyThresholds: All attributes found for Resource[GenericTypeResource[node=NodeLevelResource[nodeId=1158], resourceType=ResourceType [name=wmiLogicalDisk, label=(wsman) Logical Storage, resourceLabel=Logical Disk (${wmiLDName}), persistenceSelectorStrategy=PersistenceSelectorStrategy [class=org.opennms.netmgt.collection.support.PersistAllSelectorStrategy, parameters=[]], storageStrategy=StorageStrategy [class=org.opennms.netmgt.dao.support.SiblingColumnStorageStrategy, parameters=[Parameter [key=sibling-column-name, value=wmiLDName], Parameter [key=replace-first, value=s/^\d+\s//], Parameter [key=replace-all, value=s/\s//], Parameter [key=replace-all, value=s/:/_/]]]],storageStrategy=org.opennms.netmgt.dao.support.SiblingColumnStorageStrategy@2934d8ac, persistenceSelectorStrategy=org.opennms.netmgt.collection.support.PersistAllSelectorStrategy@71c3a40]/Node[1158], evaluating
2017-05-18 11:08:40,185 DEBUG [Collectd-Thread-11-of-75] o.o.n.t.ThresholdEntity: evaluate: value= 436894.0 against threshold: {evaluator=low, dsName=wmiLDPctFreeMBytes, dsType=wmiLogicalDisk, evaluators=[{ds=wmiLDPctFreeMBytes, value=10240.0, rearm=12288.0, trigger=2}]}
*2017-05-18 11:08:40,185 DEBUG [Collectd-Thread-11-of-75] o.o.n.t.ThresholdEvaluatorHighLow: evaluate: resetting low threshold count to 0, because the current value indicates that the in-progress threshold has been rearmed, but it doesn't triggered yet.*

    <resourceType name="wmiLogicalDisk" label="(wsman) Logical Storage"
                  resourceLabel="Logical Disk (${wmiLDName})">
      <persistenceSelectorStrategy class="org.opennms.netmgt.collection.support.PersistAllSelectorStrategy"/>
      <storageStrategy class="org.opennms.netmgt.dao.support.SiblingColumnStorageStrategy">
        <parameter key="sibling-column-name" value="wmiLDName" />
                <parameter key="replace-first" value="s/^\d+\s//" />
                <parameter key="replace-all" value="s/\s//" />
                <parameter key="replace-all" value="s/:/_/" />
      </storageStrategy>
    </resourceType>

    <group name="windows-os-wmi-LogicalDisk"
           resource-uri="http://schemas.microsoft.com/wbem/wsman/1/wmi/root/cimv2/Win32_PerfFormattedData_PerfDisk_LogicalDisk"
           resource-type="wmiLogicalDisk">
      <!-- Label for this LogicalDisk instance -->
      <attrib name="Name" alias="wmiLDName" type="string"/>

      <!-- Unallocated space on the disk drive in megabytes -->
      <attrib name="FreeMegabytes" alias="wmiLDPctFreeMBytes" type="Gauge"/>

      <!-- Percentage of elapsed time that the selected disk drive is busy servicing read requests -->
      <attrib name="PercentDiskReadTime" alias="wmiLDPctDiskRdTime" type="Gauge"/>

      <!-- Percentage of elapsed time that the selected disk drive is busy servicing write requests -->
      <attrib name="PercentDiskWriteTime" alias="wmiLDPctDiskWrTime" type="Gauge"/>

      <!-- Ratio of the free space available on the logical disk unit to the total usable space -->
      <attrib name="PercentFreeSpace" alias="wmiLDPctFreeSpace" type="Gauge"/>

      <!-- Rate at which I/Os to the disk were split into multiple I/Os -->
      <attrib name="SplitIOPerSec" alias="wmiLDSplitIOsPerSec" type="Gauge"/>
    </group>

    <group name="Ws-Man Windows Services" rrdRepository="/opt/opennms/share/rrd/snmp/">
        <threshold
            description="Trigger an alarm when free space on a Windows Ws-Man volume is less than 10GB"
            type="low" ds-type="wmiLogicalDisk" value="10240.0"
            rearm="12288.0" trigger="2" ds-label="wmiLDName"
            triggeredUEI="uei.opennms.org/threshold/lowThresholdExceededWSManLogStorage"
            rearmedUEI="uei.opennms.org/threshold/lowThresholdRearmedWSManLogStorage"
            filterOperator="or" ds-name="wmiLDPctFreeMBytes"/>
        <threshold
            description="Trigger an alarm when free space on a Windows Ws-Man volume is less than 2%"
            type="low" ds-type="wmiLogicalDisk" value="2.0" rearm="3.0"
            trigger="2" ds-label="wmiLDName"
            triggeredUEI="uei.opennms.org/threshold/lowThresholdExceededWSManLogStorage"
            rearmedUEI="uei.opennms.org/threshold/lowThresholdRearmedWSManLogStorage"
            filterOperator="or" ds-name="wmiLDPctFreeSpace"/>
    </group>