Home
  •  

MSSQL on Linux: General Always On Discovery

Microsoft.SQLServer.Linux.Discovery.GeneralAlwaysOnDiscovery (Discovery)

This discovery is used to define which instances have Always On enabled.

Knowledge Base article:

Summary

This is discovery for Microsoft SQL Server Always On objects including Availability Groups and Availability Replicas on Linux.

Overridable Parameters

Name

Description

Default Value

Enabled

Enables or disables the workflow.

Yes

Interval (seconds)

The recurring interval of time in seconds in which to run the workflow.

14400

Synchronization Time

The synchronization time specified by using a 24-hour format. May be omitted.

 

Timeout (seconds)

Specifies the time the workflow is allowed to run before being closed and marked as failed.

300

Timeout for query execution (seconds)

The workflow will fail and register an event, if the query execution takes longer than the specified period.

60

Timeout for database connection (seconds)

The workflow will fail and register an event, if it cannot access the database during the specified period.

15

Element properties:

TargetMicrosoft.SQLServer.Linux.AlwaysOnSeed
EnabledTrue
Frequency14400
RemotableFalse

Object Discovery Details:

Discovered Classes and their attribuets:
Discovered relationships and their attribuets:

Member Modules:

ID Module Type TypeId RunAs 
DS DataSource Microsoft.SQLServer.Linux.DataSource.GeneralAlwaysOnDiscovery Default

Source Code:

<Discovery ID="Microsoft.SQLServer.Linux.Discovery.GeneralAlwaysOnDiscovery" Target="Microsoft.SQLServer.Linux.AlwaysOnSeed" Enabled="true">

  <Category>Discovery</Category>

  <DiscoveryTypes>

    <DiscoveryClass TypeID="SqlCoreLib!Microsoft.SQLServer.Core.AvailabilityGroup"/>

    <DiscoveryClass TypeID="Microsoft.SQLServer.Linux.AvailabilityGroupHealth"/>

    <DiscoveryClass TypeID="Microsoft.SQLServer.Linux.AvailabilityReplica"/>

    <DiscoveryRelationship TypeID="Microsoft.SQLServer.Linux.AvailabilityGroupReferencesAvailabilityGroupHealth"/>

    <DiscoveryRelationship TypeID="SqlCoreLib!Microsoft.SQLServer.Core.DistributedAvailabilityGroupContainsAvailabilityGroup"/>

  </DiscoveryTypes>

  <DataSource ID="DS" TypeID="Microsoft.SQLServer.Linux.DataSource.GeneralAlwaysOnDiscovery">

    <MachineName>$Target/Host/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/MachineName$</MachineName>

    <NetbiosComputerName>$Target/Host/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/NetbiosComputerName$</NetbiosComputerName>

    <InstanceName>$Target/Host/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/InstanceName$</InstanceName>

    <ConnectionString>$Target/Host/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/ConnectionString$</ConnectionString>

    <InstanceVersion>$Target/Host/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/Version$</InstanceVersion>

    <InstanceEdition>$Target/Host/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/Edition$</InstanceEdition>

    <SqlExecTimeoutSeconds>60</SqlExecTimeoutSeconds>

    <SqlTimeoutSeconds>15</SqlTimeoutSeconds>

    <TimeoutSeconds>300</TimeoutSeconds>

    <IntervalSeconds>14400</IntervalSeconds>

    <SyncTime/>

  </DataSource>

</Discovery>