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ActiveXperts.com > ActiveXperts Network Monitor > WindowsManagement > Scripts > Storage > Disk Drives and Volumes > Physical and Logical Disks

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Physical and Logical Disks - Sample Code

Add a Volume Mount Point
Associate Disk Partitions with Physical Disk Drives
Analyze Volume Defragmentation
Bind to a Specific Disk Drive
Change the Drive Letter of a Volume
Dismount a Volume
Defragment a Volume
Format a Volume
List All Disk Drives
List Available Disk Space
List CD-ROM Properties
List Disk Drive Properties Using FSO
List Disk Partition Properties
List Disk Space by User on the Local Computer
List Drive Types
List Floppy Drive Information
List Logical Disk Drive Properties
List Mapped Network Drives
List Physical Disk Properties
List Volume Mount Points
List Volume Properties
Modify the AutoChk Timeout Value
Mount a Volume
Prevent AutoChk From Running
Run ChkDsk
Rename a Volume
Schedule AutoChk
Verify that All Drives are Ready
Verify ChkDsk Volume Status

You can use any of the VBScript programs below in ActiveXperts Network Monitor. Click here for an explanation about how to include scripts in ActiveXperts Network Monitor.

Add a Volume Mount Point

Adds a new volume mount point for the folder W:\Scripts. Note that in the WQL query, you must use two slashes rather than one, and you must also include two slashes at the end of the folder path. Thus the folder X:\Scripts\WMI would be listed as X:\\Scripts\\WMI\\.

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colItems = objWMIService.ExecQuery _
    ("Select * From Win32_Volume Where Name = 'D:\\'")

For Each objItem in colItems
    objItem.AddMountPoint("W:\\Scripts\\")
Next

Associate Disk Partitions with Physical Disk Drives

Returns the DeviceID of all the physical disk drives installed on a computer, and indicates the partitions that have been created on those disks.

strComputer = "."
Set wmiServices = GetObject _
    ("winmgmts:{impersonationLevel=Impersonate}!//" & strComputer)

Set wmiDiskDrives = wmiServices.ExecQuery _
    ("SELECT Caption, DeviceID FROM Win32_DiskDrive")
 
For Each wmiDiskDrive In wmiDiskDrives
    WScript.Echo wmiDiskDrive.Caption & " (" & wmiDiskDrive.DeviceID & ")"
    strEscapedDeviceID = Replace _
        (wmiDiskDrive.DeviceID, "\", "\\", 1, -1, vbTextCompare)
    Set wmiDiskPartitions = wmiServices.ExecQuery _
        ("ASSOCIATORS OF {Win32_DiskDrive.DeviceID=""" & _
    strEscapedDeviceID & """} WHERE AssocClass = " & _
        "Win32_DiskDriveToDiskPartition")
 
    For Each wmiDiskPartition In wmiDiskPartitions
        WScript.Echo vbTab & wmiDiskPartition.DeviceID
        Set wmiLogicalDisks = wmiServices.ExecQuery _
            ("ASSOCIATORS OF {Win32_DiskPartition.DeviceID=""" & _
                wmiDiskPartition.DeviceID & """} WHERE AssocClass = " & _
                    "Win32_LogicalDiskToPartition")
 
        For Each wmiLogicalDisk In wmiLogicalDisks
            WScript.Echo vbTab & vbTab & wmiLogicalDisk.DeviceID
        Next
    Next
Next

Analyze Volume Defragmentation

Analyzes the defragmentation status of all the volumes on a computer. This is equivalent to running defrag.exe with the command-line options -a (analyze) and -v (verbose).

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colVolumes = objWMIService.ExecQuery("Select * from Win32_Volume")

For Each objVolume in colVolumes
    errResult = objVolume.DefragAnalysis(blnRecommended, objReport)
    If errResult = 0 then
        Wscript.Echo "Average file size: " & objReport.AverageFileSize
        Wscript.Echo "Average fragments per file: " & _
            objReport.AverageFragmentsPerFile
        Wscript.Echo "Cluster size: " & objReport.ClusterSize
        Wscript.Echo "Excess folder fragments: " & _
            objReport.ExcessFolderFragments
        Wscript.Echo "File percent fragmentation: " & _
            objReport.FilePercentFragmentation
        Wscript.Echo "Fragmented folders: " & objReport.FragmentedFolders
        Wscript.Echo "Free soace: " & objReport.FreeSpace
        Wscript.Echo "Free space percent: " & objReport.FreeSpacePercent
        Wscript.Echo "Free space percent fragmentation: " & _
            objReport.FreeSpacePercentFragmentation
        Wscript.Echo "MFT percent in use: " & objReport.MFTPercentInUse
        Wscript.Echo "MFT record count: " & objReport.MFTRecordCount
        Wscript.Echo "Page file size: " & objReport.PageFileSize
        Wscript.Echo "Total excess fragments: " & _
            objReport.TotalExcessFragments
        Wscript.Echo "Total files: " & objReport.TotalFiles
        Wscript.Echo "Total folders: " & objReport.TotalFolders
        Wscript.Echo "Total fragmented files: " & _
            objReport.TotalFragmentedFiles
        Wscript.Echo "Total MFT fragments: " & objReport.TotalMFTFragments
        Wscript.Echo "Total MFT size: " & objReport.TotalMFTSize
        Wscript.Echo "Total page file fragments: " & _
            objReport.TotalPageFileFragments
        Wscript.Echo "Total percent fragmentation: " & _
            objReport.TotalPercentFragmentation
        Wscript.Echo "Used space: " & objReport.UsedSpace
        Wscript.Echo "Volume name: " & objReport.VolumeName
        Wscript.Echo "Volume size: " & objReport.VolumeSize       
        If blnRecommended = True Then
           Wscript.Echo "This volume should be defragged."
        Else
           Wscript.Echo "This volume does not need to be defragged."
        End If
        Wscript.Echo
    End If
Next

Bind to a Specific Disk Drive

Demonstration script that uses the FileSystemObject to return available disk space on a specific disk drive. Script must be run on the local computer.

Set objFSO = CreateObject("Scripting.FileSystemObject")
Set objDrive = objFSO.GetDrive("C:")
Wscript.Echo "Available space: " & objDrive.AvailableSpace

Change the Drive Letter of a Volume

Changes the drive letter of volume D to Q. If you modify this script to change the drive letter of a volume other than D, note that the volume name in the WQL query must include both the colon (:) and two slashes (\\). Thus drive C would look like this: C:\\. When specifying the new drive letter, however, you only have to include the colon (in the sample script, Q:).

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colVolumes = objWMIService.ExecQuery _
    ("Select * from Win32_Volume Where Name = 'D:\\'")

For Each objVolume in colVolumes
    objVolume.DriveLetter = "Q:"
    objVolume.Put_
Next

Dismount a Volume

Dismounts volume E from the file system. If you modify this script to dismount a different volume (such as X), note that your WQL query must specify the drive letter followed by a colon and then followed by two slashes. Thus volume X would be listed as X:\\. The two parameters: 1) force the volume to be dismounted, even if users are currently connected to it; and, 2) place the volume in a no-automount, offline state. This script can be modified by setting either (or both) of these parameters to False.

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colItems = objWMIService.ExecQuery _
    ("Select * From Win32_Volume Where Name = 'E:\\'")

For Each objItem in colItems
    objItem.Dismount(True, True)
Next

Defragment a Volume

Defragments volume D on a computer. If you modify this script to defragment a different volume (such as X), note that your WQL query must specify the drive letter followed by a colon and then followed by two slashes. Thus volume X would be listed as X:\\.

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colVolumes = objWMIService.ExecQuery _
    ("Select * from Win32_Volume Where Name = 'D:\\'")

For Each objVolume in colVolumes
     errResult = objVolume.Defrag()
Next

Format a Volume

Formats drive D using the NTFS file system. Drives could also be formatted using the FAT or FAT32 file systems. Note that this method cannot be used to format floppy drives. If you modify this script to format a different volume (such as drive X), also note that your WQL query must specify the drive letter followed by a colon and then followed by two slashes. Thus drive X would be listed as X:\\.

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colVolumes = objWMIService.ExecQuery _
    ("Select * from Win32_Volume Where Name = 'D:\\'")

For Each objVolume in colVolumes
    errResult = objVolume.Format("NTFS")
Next

List All Disk Drives

Demonstration script that uses the FileSystemObject to return a list of all the disk drives installed on a computer. Script must be run on the local computer.

Set objFSO = CreateObject("Scripting.FileSystemObject")
Set colDrives = objFSO.Drives

For Each objDrive in colDrives
    Wscript.Echo "Drive letter: " & objDrive.DriveLetter
Next

List Available Disk Space

Returns the amount of free space for each hard disk installed on a computer.

Const HARD_DISK = 3

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colDisks = objWMIService.ExecQuery _
    ("Select * from Win32_LogicalDisk Where DriveType = " & HARD_DISK & "")

For Each objDisk in colDisks
    Wscript.Echo "DeviceID: "& vbTab &  objDisk.DeviceID       
    Wscript.Echo "Free Disk Space: "& vbTab & objDisk.FreeSpace
Next

List CD-ROM Properties

Returns information about all the CD-ROM drives installed on a computer.

On Error Resume Next

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colItems = objWMIService.ExecQuery("Select * from Win32_CDROMDrive")

For Each objItem in colItems
    Wscript.Echo "Availability: " & objItem.Availability
    For Each strCapability in objItem.Capabilities
        Wscript.Echo "Capability: "& strCapability
    Next
    Wscript.Echo "Caption: " & objItem.Caption
    Wscript.Echo "Description: " & objItem.Description
    Wscript.Echo "Device ID: " & objItem.DeviceID
    Wscript.Echo "Drive: " & objItem.Drive
    Wscript.Echo "Manufacturer: " & objItem.Manufacturer
    Wscript.Echo "Media Loaded: " & objItem.MediaLoaded
    Wscript.Echo "Media Type: " & objItem.MediaType
    Wscript.Echo "Name: " & objItem.Name
    Wscript.Echo "PNP Device ID: " & objItem.PNPDeviceID
    Wscript.Echo "SCSI Bus: " & objItem.SCSIBus
    Wscript.Echo "SCSI Logical Unit: " & objItem.SCSILogicalUnit
    Wscript.Echo "SCSI Port: " & objItem.SCSIPort
    Wscript.Echo "SCSI Target ID: " & objItem.SCSITargetId
Next

List Disk Drive Properties Using FSO

Demonstration script that uses the FileSystemObject to return the properties of all the disk drives installed on a computer. Script must be run on the local computer.

Set objFSO = CreateObject("Scripting.FileSystemObject")
Set colDrives = objFSO.Drives

For Each objDrive in colDrives
    Wscript.Echo "Available space: " & objDrive.AvailableSpace
    Wscript.Echo "Drive letter: " & objDrive.DriveLetter
    Wscript.Echo "Drive type: " & objDrive.DriveType
    Wscript.Echo "File system: " & objDrive.FileSystem
    Wscript.Echo "Free space: " & objDrive.FreeSpace
    Wscript.Echo "Is ready: " & objDrive.IsReady
    Wscript.Echo "Path: " & objDrive.Path
    Wscript.Echo "Root folder: " & objDrive.RootFolder
    Wscript.Echo "Serial number: " & objDrive.SerialNumber
    Wscript.Echo "Share name: " & objDrive.ShareName
    Wscript.Echo "Total size: " & objDrive.TotalSize
    Wscript.Echo "Volume name: " & objDrive.VolumeName
Next

List Disk Partition Properties

Lists the properties of all the disk partitions on a computer.

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colDiskPartitions = objWMIService.ExecQuery _
    ("Select * from Win32_DiskPartition")

For each objPartition in colDiskPartitions
    Wscript.Echo "Block Size: " & objPartition.BlockSize     
    Wscript.Echo "Bootable: " & objPartition.Bootable 
    Wscript.Echo "Boot Partition: " & objPartition.BootPartition
    Wscript.Echo "Description: " & objPartition.Description
    Wscript.Echo "Device ID: " & objPartition.DeviceID       
    Wscript.Echo "Disk Index: " & objPartition.DiskIndex     
    Wscript.Echo "Index: " & objPartition.Index       
    Wscript.Echo "Name: " & objPartition.Name 
    Wscript.Echo "Number Of Blocks: " & _
        objPartition.NumberOfBlocks     
    Wscript.Echo "Primary Partition: " & _
        objPartition.PrimaryPartition   
    Wscript.Echo "Size: " & objPartition.Size 
    Wscript.Echo "Starting Offset: " & _
        objPartition.StartingOffset     
    Wscript.Echo "Type: " & objPartition.Type 
Next

List Disk Space by User on the Local Computer

Uses disk quotas to return information about disk space usage per-user for drive C on the local computer.

Set colDiskQuotas = CreateObject("Microsoft.DiskQuota.1")
colDiskQuotas.Initialize "C:\", True
 
For Each objUser in colDiskQuotas
    Wscript.Echo "Logon name: " & objUser.LogonName
    Wscript.Echo "Quota used: " & objUser.QuotaUsed
Next

List Drive Types

Identifies the drive type (floppy drive, hard drive, CD-ROM, etc.) for each physical drive installed on a computer.

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colDisks = objWMIService.ExecQuery _
    ("Select * from Win32_LogicalDisk")

For Each objDisk in colDisks
    Wscript.Echo "DeviceID: "& objDisk.DeviceID       
    Select Case objDisk.DriveType
        Case 1
            Wscript.Echo "No root directory. Drive type could not be " _
                & "determined."
        Case 2
            Wscript.Echo "DriveType: "& "Removable drive."
        Case 3
            Wscript.Echo "DriveType: "& "Local hard disk."
        Case 4
            Wscript.Echo "DriveType: "& "Network disk."      
        Case 5
            Wscript.Echo "DriveType: "& "Compact disk."      
        Case 6
            Wscript.Echo "DriveType: "& "RAM disk."   
        Case Else
            Wscript.Echo "Drive type could not be determined."
    End Select
Next

List Floppy Drive Information

Returns information about all the floppy disk drives installed on a computer.

On Error Resume Next

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colItems = objWMIService.ExecQuery("Select * from Win32_FloppyDrive")

For Each objItem in colItems
    Wscript.Echo "Availability: " & objItem.Availability
    Wscript.Echo "Configuration Manager Error Code: " & _
        objItem.ConfigManagerErrorCode
    Wscript.Echo "Configuration Manager User Configuration: " & _
        objItem.ConfigManagerUserConfig
    Wscript.Echo "Device ID: " & objItem.DeviceID
    Wscript.Echo "Manufacturer: " & objItem.Manufacturer
    Wscript.Echo "Name: " & objItem.Name
    Wscript.Echo "PNP Device ID: " & objItem.PNPDeviceID
    Wscript.Echo
Next

List Logical Disk Drive Properties

Lists the properties for all the logical disk drives on a computer.

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colDisks = objWMIService.ExecQuery _
    ("Select * from Win32_LogicalDisk")

For each objDisk in colDisks
    Wscript.Echo "Compressed: " & objDisk.Compressed  
    Wscript.Echo "Description: " & objDisk.Description       
    Wscript.Echo "DeviceID: " & objDisk.DeviceID      
    Wscript.Echo "DriveType: " & objDisk.DriveType    
    Wscript.Echo "FileSystem: " & objDisk.FileSystem  
    Wscript.Echo "FreeSpace: " & objDisk.FreeSpace    
    Wscript.Echo "MediaType: " & objDisk.MediaType    
    Wscript.Echo "Name: " & objDisk.Name      
    Wscript.Echo "QuotasDisabled: " & objDisk.QuotasDisabled
    Wscript.Echo "QuotasIncomplete: " & objDisk.QuotasIncomplete
    Wscript.Echo "QuotasRebuilding: " & objDisk.QuotasRebuilding
    Wscript.Echo "Size: " & objDisk.Size      
    Wscript.Echo "SupportsDiskQuotas: " & _
        objDisk.SupportsDiskQuotas      
    Wscript.Echo "SupportsFileBasedCompression: " & _
        objDisk.SupportsFileBasedCompression   
    Wscript.Echo "SystemName: " & objDisk.SystemName  
    Wscript.Echo "VolumeDirty: " & objDisk.VolumeDirty       
    Wscript.Echo "VolumeName: " & objDisk.VolumeName  
    Wscript.Echo "VolumeSerialNumber: " & _
        objDisk.VolumeSerialNumber      
Next

List Mapped Network Drives

Retrieves information about mapped network drives. The information returned is similar to that available through the Win32_LogicalDisk class, which retrieves information about the logical disks found on a computer.

On Error Resume Next

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colItems = objWMIService.ExecQuery("Select * from Win32_MappedLogicalDisk")

For Each objItem in colItems
    Wscript.Echo "Compressed: " & objItem.Compressed
    Wscript.Echo "Description: " & objItem.Description
    Wscript.Echo "Device ID: " & objItem.DeviceID
    Wscript.Echo "File System: " & objItem.FileSystem
    Wscript.Echo "Free Space: " & objItem.FreeSpace
    Wscript.Echo "Maximum Component Length: " & objItem.MaximumComponentLength
    Wscript.Echo "Name: " & objItem.Name
    Wscript.Echo "Provider Name: " & objItem.ProviderName
    Wscript.Echo "Session ID: " & objItem.SessionID
    Wscript.Echo "Size: " & objItem.Size
    Wscript.Echo "Supports Disk Quotas: " & objItem.SupportsDiskQuotas
    Wscript.Echo "Supports File-Based Compression: " & _
        objItem.SupportsFileBasedCompression
    Wscript.Echo "Volume Name: " & objItem.VolumeName
    Wscript.Echo "Volume Serial Number: " & objItem.VolumeSerialNumber
    Wscript.Echo
Next

List Physical Disk Properties

Retrieves the properties for all the physical disk drives installed on a computer.

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")
Set colDiskDrives = objWMIService.ExecQuery _    
    ("Select * from Win32_DiskDrive")

For each objDiskDrive in colDiskDrives
    Wscript.Echo "Bytes Per Sector: " & vbTab &  _
        objDiskDrive.BytesPerSector        
    For i = Lbound(objDiskDrive.Capabilities) to _
        Ubound(objDiskDrive.Capabilities)
        Wscript.Echo "Capabilities: " & vbTab &  _
            objDiskDrive.Capabilities(i)
    Next    
    Wscript.Echo "Caption: " & vbTab &  objDiskDrive.Caption
    Wscript.Echo "Device ID: " & vbTab &  objDiskDrive.DeviceID
    Wscript.Echo "Index: " & vbTab &  objDiskDrive.Index
    Wscript.Echo "Interface Type: " & vbTab & objDiskDrive.InterfaceType
    Wscript.Echo "Manufacturer: " & vbTab & objDiskDrive.Manufacturer
    Wscript.Echo "Media Loaded: " & vbTab  & objDiskDrive.MediaLoaded
    Wscript.Echo "Media Type: " & vbTab &  objDiskDrive.MediaType
    Wscript.Echo "Model: " & vbTab &  objDiskDrive.Model
    Wscript.Echo "Name: " & vbTab &  objDiskDrive.Name
    Wscript.Echo "Partitions: " & vbTab & objDiskDrive.Partitions
    Wscript.Echo "PNP DeviceID: " & vbTab &  objDiskDrive.PNPDeviceID
    Wscript.Echo "SCSI Bus: " & vbTab &  objDiskDrive.SCSIBus
    Wscript.Echo "SCSI Logical Unit: " & vbTab &  _
        objDiskDrive.SCSILogicalUnit
    Wscript.Echo "SCSI Port: " & vbTab &  objDiskDrive.SCSIPort
    Wscript.Echo "SCSI TargetId: " & vbTab &  objDiskDrive.SCSITargetId    
    Wscript.Echo "Sectors Per Track: " & vbTab &  _
        objDiskDrive.SectorsPerTrack        
    Wscript.Echo "Signature: " & vbTab &  objDiskDrive.Signature          
    Wscript.Echo "Size: " & vbTab &  objDiskDrive.Size     
    Wscript.Echo "Status: " & vbTab &  objDiskDrive.Status         
    Wscript.Echo "Total Cylinders: " & vbTab &  _
        objDiskDrive.TotalCylinders         
    Wscript.Echo "Total Heads: " & vbTab &  objDiskDrive.TotalHeads    
    Wscript.Echo "Total Sectors: " & vbTab &  objDiskDrive.TotalSectors
    Wscript.Echo "Total Tracks: " & vbTab &  objDiskDrive.TotalTracks
    Wscript.Echo "Tracks Per Cylinder: " & vbTab &  _
        objDiskDrive.TracksPerCylinder  
Next

List Volume Mount Points

Enumerates all the volume mount points on a computer.

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")
Set colItems = objWMIService.ExecQuery _
    ("SELECT * FROM Win32_MountPoint")

For Each objItem In colItems
  WScript.Echo "Directory: " & objItem.Directory
  WScript.Echo "Volume: " & objItem.Volume
  WScript.Echo
Next

List Volume Properties

Retrieves the properties of all the volumes installed on a computer.

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colItems = objWMIService.ExecQuery("Select * from Win32_Volume")

For Each objItem In colItems
    WScript.Echo "Automount: " & objItem.Automount
    WScript.Echo "Block Size: " & objItem.BlockSize
    WScript.Echo "Capacity: " & objItem.Capacity
    WScript.Echo "Caption: " & objItem.Caption
    WScript.Echo "Compressed: " & objItem.Compressed
    WScript.Echo "Device ID: " & objItem.DeviceID
    WScript.Echo "Dirty Bit Set: " & objItem.DirtyBitSet
    WScript.Echo "Drive Letter: " & objItem.DriveLetter
    WScript.Echo "Drive Type: " & objItem.DriveType
    WScript.Echo "File System: " & objItem.FileSystem
    WScript.Echo "Free Space: " & objItem.FreeSpace
    WScript.Echo "Indexing Enabled: " & objItem.IndexingEnabled
    WScript.Echo "Label: " & objItem.Label
    WScript.Echo "Maximum File Name Length: " & objItem.MaximumFileNameLength
    WScript.Echo "Name: " & objItem.Name
    WScript.Echo "Quotas Enabled: " & objItem.QuotasEnabled
    WScript.Echo "Quotas Incomplete: " & objItem.QuotasIncomplete
    WScript.Echo "Quotas Rebuilding: " & objItem.QuotasRebuilding
    WScript.Echo "Serial Number: " & objItem.SerialNumber
    WScript.Echo "Supports Disk Quotas: " & objItem.SupportsDiskQuotas
    WScript.Echo "Supports File-Based Compression: " & _
        objItem.SupportsFileBasedCompression
    WScript.Echo
Next

Modify the AutoChk Timeout Value

Sets the auto-delay time for Autochk.exe to 30 seconds.

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colAutoChkSettings = objWMIService.ExecQuery _
    ("Select * from Win32_AutochkSetting")

For Each objAutoChkSetting in colAutoChkSettings
    objAutoChkSetting.UserInputDelay = 30
    objAutoChkSetting.Put_
Next

Mount a Volume

Mounts volume Z to the file system. If you modify this script to mount a different volume (such as X), note that the volume name in your WQL query must include the drive letter followed by a colon and then followed by two slashes. Thus drive X would be listed as X:\\.

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colItems = objWMIService.ExecQuery _
    ("Select * From Win32_Volume Where Name = 'Z:\\'")

For Each objItem in colItems
     objItem.Mount()
Next

Prevent AutoChk From Running

Ensures that Autochk.exe will not run against drive C the next time the computer reboots, even if the "dirty bit" has been set on drive C.

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set objDisk = objWMIService.Get("Win32_LogicalDisk")

errReturn = objDisk.ExcludeFromAutoChk(Array("C:"))

Run ChkDsk

Runs ChkDsk.exe against drive D on a computer.

Const FIX_ERRORS = True

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set objDisk = objWMIService.Get("Win32_LogicalDisk.DeviceID='D:'")

errReturn = objDisk.ChkDsk(FIX_ERRORS)

Rename a Volume

Changes the volume label for drive C to "Finance Volume."

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colDrives = objWMIService.ExecQuery _
    ("Select * from Win32_LogicalDisk where DeviceID = 'C:'")

For Each objDrive in colDrives
    objDrive.VolumeName = "Finance Volume"
    objDrive.Put_
Next

Schedule AutoChk

Schedules Autochk.exe to run against drive C the next time the computer reboots.

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set objDisk = objWMIService.Get("Win32_LogicalDisk")

errReturn = objDisk.ScheduleAutoChk(Array("C:"))

Verify that All Drives are Ready

Demonstration script that uses the FileSystemObject to ensure that all drives are ready (i.e., media is inserted) before echoing the drive letter and available disk space. Script must be run on the local computer.

Set objFSO = CreateObject("Scripting.FileSystemObject")
Set colDrives = objFSO.Drives

For Each objDrive in colDrives
    If objDrive.IsReady = True Then
        Wscript.Echo "Drive letter: " & objDrive.DriveLetter
        Wscript.Echo "Free space: " & objDrive.FreeSpace
    Else
        Wscript.Echo "Drive letter: " & objDrive.DriveLetter
    End If
Next

Verify ChkDsk Volume Status

Indicates whether or not any hard drives on a computer have the "dirty bit" set, and should have Chkdsk.exe run.

Const LOCAL_HARD_DISK = 3

strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
    & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")

Set colDisks = objWMIService.ExecQuery _
    ("Select * from Win32_LogicalDisk Where DriveType = LOCAL_HARD_DISK ")

For Each objDisk in colDisks
    Wscript.Echo "Device ID: "& vbTab &  objDisk.DeviceID       
    Wscript.Echo "Drive Type: "& vbTab & objDisk.VolumeDirty
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