Unknown State

Microsoft.SQLServerAppliance.PDW2.StorageExternal.SasStateMonitor.Unknown (UnitMonitor)

This monitor detects if SAS HBA Component is in Unknown state.

Knowledge Base article:

Summary

The state of the SAS Host Bus Adapter is unknown and cannot be determined.

Causes

For more details, view the component's hba_device_rollup_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 PDW Host node in order to access the vendor’s 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 controller.

Element properties:

Target

Microsoft.SQLServerAppliance.PDW2.StorageExternal.Sas

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.PDW2.ComponentTwoStateType

Remotable

True

Accessibility

Public

Alert Message

SAS Host Bus Adapter has UNKNOWN status

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

RunAs

Default

Source Code:

<UnitMonitor ID="Microsoft.SQLServerAppliance.PDW2.StorageExternal.SasStateMonitor.Unknown" Accessibility="Public" Enabled="true" Target="PDWLibrary!Microsoft.SQLServerAppliance.PDW2.StorageExternal.Sas" ParentMonitorID="Health!System.Health.AvailabilityState" TypeID="Microsoft.SQLServerAppliance.PDW2.ComponentTwoStateType" Remotable="true" Priority="Normal" ConfirmDelivery="false">

  <Category>AvailabilityHealth</Category>

  <AlertSettings AlertMessage="Microsoft.SQLServerAppliance.PDW2.StorageExternal.SasStateMonitor.Unknown.AlertMessage">

    <AlertOnState>Warning</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>Warning</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Target/Property[Type="PDWLibrary!Microsoft.SQLServerAppliance.PDW2.Component"]/ApplianceID$</AlertParameter1>

      <AlertParameter2>$Target/Property[Type="PDWLibrary!Microsoft.SQLServerAppliance.PDW2.Component"]/NodeName$</AlertParameter2>

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

      <AlertParameter4>$Target/Property[Type="PDWLibrary!Microsoft.SQLServerAppliance.PDW2.Component"]/ApplianceNetworkAddress$</AlertParameter4>

      <AlertParameter5>$Target/Property[Type="PDWLibrary!Microsoft.SQLServerAppliance.PDW2.Component"]/NodeID$</AlertParameter5>

      <AlertParameter6>$Target/Property[Type="PDWLibrary!Microsoft.SQLServerAppliance.PDW2.Component"]/ID$</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>$Target/Property[Type="PDWLibrary!Microsoft.SQLServerAppliance.PDW2.Component"]/ApplianceID$</ConnectionString>

    <NodeName>$Target/Property[Type="PDWLibrary!Microsoft.SQLServerAppliance.PDW2.Component"]/NodeName$</NodeName>

    <GroupName>$Target/Property[Type="PDWLibrary!Microsoft.SQLServerAppliance.PDW2.Component"]/GroupName$</GroupName>

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

    <MonitoredState>Unknown</MonitoredState>

  </Configuration>

</UnitMonitor>