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Diagnostic Manager 5.0.1 - Reference Guide

WMI Scopes Analyzed

The Collection Service accesses the following WMI scopes to collect information.

Scope

Descriptions

\\<ComputerName>\root\default

Used to access the registry on the remote server.

\\<ComputerName>\root\cimv2

Used to collect performance information.

\\<ComputerName>\root\Mi-

crosoft\SqlServer\ComputerManagement10

Used to access the list of SQL Server instances.

\\<ComputerName>\root\Mi-

crosoft\SqlServer\ComputerManagement

Used to access the list of SQL Server 2003 instances.

\\<ComputerName>\root\mscluster

Used on SQL Server cluster nodes to determine the active/passive node in the cluster.

 

Objects and Properties Accessed

The Collection Service accesses the following WMI classes and fields on each server in the farm:

 

CPU

Item

WMI Class

Class Property

Processor Interrupts per Second (Count)

Win32_PerfRawData_PerfOS_Processor

InterruptsPersec

CPU Usage Total - Privileged Time (Percent)

Win32_PerfRawData_PerfOS_Processor

PercentPrivilegedTime

CPU Usage Total (Percent)

Win32_PerfRawData_PerfOS_Processor

PercentProcessorTime

CPU Usage Total - User Time (Percent)

Win32_PerfRawData_PerfOS_Processor

PercentUserTime

Processor Queue Length (Count)

Win32_PerfRawData_PerfOS_System

ProcessorQueueLength

CPU Usage - Per-Process Privileged Time (Percent)

Win32_PerfRawData_PerfProc_Process

PercentPrivilegedTime

CPU Usage - Per-Process Total (Percent)

Win32_PerfRawData_PerfProc_Process

PercentProcessorTime

CPU Usage - Per-Process User Time (Percent)

Win32_PerfRawData_PerfProc_Process

PercentUserTime

 

Disk

Item

WMI Class

Class Property

Disk Free Space (MB)

Win32_PerfFormattedData_PerfDisk_LogicalDisk

FreeMegabytes

Disk Free Percent (Percent)

Win32_PerfFormattedData_PerfDisk_LogicalDisk

PercentFreeSpace

Disk Used (Percent)

Win32_PerfFormattedData_PerfDisk_LogicalDisk

PercentFreeSpace

Disk Idle Time (Percent)

Win32_PerfFormattedData_PerfDisk_LogicalDisk

PercentIdleTime

Average Disk Seconds Per Read (ms)

Win32_PerfRawData_PerfDisk_LogicalDisk

AvgDisksecPerRead

Average Disk Seconds Per Transfer (ms)

Win32_PerfRawData_PerfDisk_LogicalDisk

AvgDisksecPerTransfer

Average Disk Seconds Per Write (ms)

Win32_PerfRawData_PerfDisk_LogicalDisk

AvgDisksecPerWrite

Disk Size (MB)

Win32_PerfRawData_PerfDisk_LogicalDisk

PercentFreeSpace_Base

Average Disk Queue Length (Count)

Win32_PerfRawData_PerfDisk_PhysicalDisk

AvgDiskQueueLength

Disk Reads Per Second (Count)

Win32_PerfRawData_PerfDisk_PhysicalDisk

DiskReadsPersec

Disk Writes Per Second (Count)

Win32_PerfRawData_PerfDisk_PhysicalDisk

DiskWritesPersec

Disk Time (Percent)

Win32_PerfRawData_PerfDisk_PhysicalDisk

PercentDiskTime

 

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