Unknown State

Microsoft.SQLServerAppliance.APS.ServerProcessing.MemoryStateMonitor.Unknown (UnitMonitor)

This monitor detects if Memory Component is in Unknown state.

Knowledge Base article:

Summary

A memory component is reporting an unknown warning. This can cause a degraded state.

Causes

For more details, view the component's memory_status property in the PDW Admin Console or query the sys.dm_pdw_component_health_status DMV.

Resolutions

Contact Microsoft Support and provide them with the alert name and details.

To diagnose this issue, Microsoft Support will require Windows administrator access to the affected APS Host node in order to access the vendor’s memory diagnostic tool.

To resolve this issue, Microsoft Support will contact the vendor’s hardware support team. Depending on the problem, the vendor might require physical access to the appliance to replace the memory.

Element properties:

Target

Microsoft.SQLServerAppliance.APS.ServerProcessing.Memory

Parent Monitor

System.Health.AvailabilityState

Category

AvailabilityHealth

Enabled

True

Alert Generate

True

Alert Severity

Warning

Alert Priority

Normal

Alert Auto Resolve

True

Monitor Type

Microsoft.SQLServerAppliance.APS.ComponentTwoStateType

Remotable

True

Accessibility

Public

Alert Message

A memory component has an UNKNOWN status

Appliance Name: {0}
Node Name: {1}
Component: {2}
Component Details: https://{3}/Fabric/Health/NodeDetails/{4}?compId={5}

RunAs

Default

Source Code:

<UnitMonitor ID="Microsoft.SQLServerAppliance.APS.ServerProcessing.MemoryStateMonitor.Unknown" Accessibility="Public" Enabled="true" Target="APSLibrary!Microsoft.SQLServerAppliance.APS.ServerProcessing.Memory" ParentMonitorID="Health!System.Health.AvailabilityState" TypeID="Microsoft.SQLServerAppliance.APS.ComponentTwoStateType" Remotable="true" Priority="Normal" ConfirmDelivery="false">

  <Category>AvailabilityHealth</Category>

  <AlertSettings AlertMessage="Microsoft.SQLServerAppliance.APS.ServerProcessing.MemoryStateMonitor.Unknown.AlertMessage">

    <AlertOnState>Warning</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>Warning</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Target/Property[Type="APSLibrary!Microsoft.SQLServerAppliance.APS.Component"]/ApplianceID$</AlertParameter1>

      <AlertParameter2>$Target/Property[Type="APSLibrary!Microsoft.SQLServerAppliance.APS.Component"]/NodeName$</AlertParameter2>

      <AlertParameter3>$Target/Property[Type="System!System.Entity"]/DisplayName$</AlertParameter3>

      <AlertParameter4>$Target/Property[Type="APSLibrary!Microsoft.SQLServerAppliance.APS.Component"]/ApplianceNetworkAddress$</AlertParameter4>

      <AlertParameter5>$Target/Property[Type="APSLibrary!Microsoft.SQLServerAppliance.APS.Component"]/NodeID$</AlertParameter5>

      <AlertParameter6>$Target/Property[Type="APSLibrary!Microsoft.SQLServerAppliance.APS.Component"]/ID$</AlertParameter6>

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="Good" MonitorTypeStateID="Good" HealthState="Success"/>

    <OperationalState ID="Bad" MonitorTypeStateID="Bad" HealthState="Warning"/>

  </OperationalStates>

  <Configuration>

    <IntervalSeconds>900</IntervalSeconds>

    <SyncTime/>

    <TimeoutSeconds>600</TimeoutSeconds>

    <ConnectionString>$Target/Property[Type="APSLibrary!Microsoft.SQLServerAppliance.APS.Component"]/ApplianceTdsAddress$</ConnectionString>

    <NodeName>$Target/Property[Type="APSLibrary!Microsoft.SQLServerAppliance.APS.Component"]/NodeName$</NodeName>

    <GroupName>$Target/Property[Type="APSLibrary!Microsoft.SQLServerAppliance.APS.Component"]/GroupName$</GroupName>

    <ComponentName>$Target/Property[Type="System!System.Entity"]/DisplayName$</ComponentName>

    <MonitoredState>Unknown</MonitoredState>

  </Configuration>

</UnitMonitor>