数据库镜像伙伴状态

Microsoft.SQLServer.2012.Mirroring.PartnersStateMonitor (UnitMonitor)

此监视器检查数据库镜像是否同步。

Knowledge Base article:

摘要

此监视器检查 Microsoft® SQL Server™ 报告的数据库镜像会话。这是通过对 SQL Server 实例的 master 数据库运行查询并返回数据库镜像会话状态完成的。如果收到此监视器发出的警报,则必须采取措施以将数据库镜像会话恢复到操作状态。

原因

不正常状态表示 SQL Server™ 数据库镜像会话未处于操作状态。下面详细列出了可能的状态:

镜像伙伴状态

说明

MOM 运行状况状态

IN_SYNC

这是正常操作状态。镜像伙伴已同步并且正常执行镜像。

正常运行

OUT_OF_SYNC

镜像伙伴不同步。

关键

解决方法

请尝试执行下列操作来解决此问题:

可替代参数

名称

说明

默认值

间隔(秒)

运行工作流的重复间隔时间(秒)。

900

同步时间

使用 24 小时格式指定的同步时间。可以忽略。

 

超时(秒)

指定允许工作流在被关闭并标记为失败之前运行的时间。

300

已启用

启用或禁用工作流。

生成警报

定义工作流是否生成警报。

警报严重性

定义警报严重性。

错误

警报优先级

定义警报优先级。

常规

Element properties:

TargetMicrosoft.SQLServer.2012.Mirroring.Witness
Parent MonitorSystem.Health.AvailabilityState
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityError
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeMicrosoft.SQLServer.2012.Mirroring.ScriptedTwoStateType
RemotableTrue
AccessibilityPublic
Alert Message
数据库镜像伙伴未同步
数据库镜像“{0}”未同步。镜像伙伴是“{1}”和“{2}”。
RunAsMicrosoft.SQLServer.SQLProbeAccount

Source Code:

<UnitMonitor ID="Microsoft.SQLServer.2012.Mirroring.PartnersStateMonitor" Accessibility="Public" Enabled="true" Target="SQL2012Mirroring!Microsoft.SQLServer.2012.Mirroring.Witness" ParentMonitorID="Health!System.Health.AvailabilityState" TypeID="Microsoft.SQLServer.2012.Mirroring.ScriptedTwoStateType" Remotable="true" Priority="Normal" ConfirmDelivery="false" RunAs="SQL!Microsoft.SQLServer.SQLProbeAccount">
<Category>AvailabilityHealth</Category>
<AlertSettings AlertMessage="Microsoft.SQLServer.2012.Mirroring.PartnersStateMonitor.AlertMessage">
<AlertOnState>Error</AlertOnState>
<AutoResolve>true</AutoResolve>
<AlertPriority>Normal</AlertPriority>
<AlertSeverity>Error</AlertSeverity>
<AlertParameters>
<AlertParameter1>$Target/Property[Type="SQL2012Mirroring!Microsoft.SQLServer.2012.Mirroring.Witness"]/DatabaseName$</AlertParameter1>
<AlertParameter2>$Target/Property[Type="SQL2012Mirroring!Microsoft.SQLServer.2012.Mirroring.Witness"]/Principal$</AlertParameter2>
<AlertParameter3>$Target/Property[Type="SQL2012Mirroring!Microsoft.SQLServer.2012.Mirroring.Witness"]/Mirror$</AlertParameter3>
</AlertParameters>
</AlertSettings>
<OperationalStates>
<OperationalState ID="Good" MonitorTypeStateID="Good" HealthState="Success"/>
<OperationalState ID="Bad" MonitorTypeStateID="Bad" HealthState="Error"/>
</OperationalStates>
<Configuration>
<ScriptName>GetSQL2012MirroringPartnersState.vbs</ScriptName>
<ScriptBody><Script>'#Include File:GetSQL2008MirroringPartnersState.vbs
'Copyright (c) Microsoft Corporation. All rights reserved.
' This script takes a single parameter
' Param 0: The SQL connection string to connect to

Const SQL_MONITORING_CONNECT_FAILURE = -1
Const SQL_MONITORING_QUERY_FAILURE = -2
Const SQL_MONITORING_SUCCESS = 0

Const SCRIPT_EVENT_ID = 4001

Dim GetPartnersStatusQuery
GetPartnersStatusQuery = "SELECT " &amp;_
" mirroring_guid, " &amp;_
" partner_sync_state_desc " &amp;_
" FROM sys.database_mirroring_witnesses "

Call GetPartnersStatus()

Sub GetPartnersStatus()
If WScript.Arguments.Count = 4 Then
Dim oBag
Set oBag = oAPI.CreatePropertyBag()

Dim state, serviceName

serviceName = GetSQLServiceName(WScript.Arguments(2))
state = GetServiceState(WScript.Arguments(1), serviceName)

if (state &lt;&gt; "Running") And (state &lt;&gt; "Unknown") Then
Call oAPI.Return(oBag)
WScript.Quit()
End If

Dim nResult
nResult = PartnersStatus(WScript.Arguments(0), oBag, WScript.Arguments(1), WScript.Arguments(2), WScript.Arguments(3))
Call oAPI.Return(oBag)
On Error Resume Next
Call GlobalErrorListToEventLog()
Else
On Error Resume Next
Call GlobalErrorListToEventLog()
Wscript.Quit()
End If
End Sub

Function PartnersStatus(ByVal sSQLConnectionString, ByRef oBag, ByVal sComputerName, ByVal sInstanceName, ByVal sTcpPort)
Dim e
Set e = New Error

Dim cnADOConnection
Set cnADOConnection = SmartConnectWithoutSQLADODB(sSQLConnectionString, sTcpPort, sComputerName, sInstanceName, "master")
if cnADOConnection Is Nothing Then
PartnersStatus = SQL_MONITORING_CONNECT_FAILURE
ThrowScriptErrorNoAbort "Cannot connect to '" &amp; sSQLConnectionString &amp; "' SQL Server", e
Exit Function
End If

Dim oResults
e.Clear
On Error Resume Next
Set oResults = cnADOConnection.Execute(GetPartnersStatusQuery)
e.Save
On Error Goto 0
If e.Number &lt;&gt; 0 Then
PartnersStatus = SQL_MONITORING_QUERY_FAILURE
ThrowScriptErrorNoAbort "Query execution failed for '" &amp; sSQLConnectionString &amp; "' SQL Server", e
If (oResults &lt;&gt; null) Then oResults.Close
cnADOConnection.Close
Exit Function
End If

Do While Not oResults.EOF
Call oBag.AddValue(oResults(0), CStr(oResults(1)))
oResults.MoveNext
Loop

cnADOConnection.Close
PartnersStatus = SQL_MONITORING_SUCCESS
End Function
</Script></ScriptBody>
<IntervalSeconds>900</IntervalSeconds>
<SyncTime/>
<TimeoutSeconds>300</TimeoutSeconds>
<ConnectionString>$Target/Host/Host/Property[Type="SQL!Microsoft.SQLServer.DBEngine"]/ConnectionString$</ConnectionString>
<GoodExpression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="String">Property[@Name='$Target/Property[Type="SQL2012Mirroring!Microsoft.SQLServer.2012.Mirroring.Witness"]/MirroringGUID$']</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="String">IN_SYNC</Value>
</ValueExpression>
</SimpleExpression>
</GoodExpression>
<BadExpression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="String">Property[@Name='$Target/Property[Type="SQL2012Mirroring!Microsoft.SQLServer.2012.Mirroring.Witness"]/MirroringGUID$']</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="String">OUT_OF_SYNC</Value>
</ValueExpression>
</SimpleExpression>
</BadExpression>
</Configuration>
</UnitMonitor>