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Write-VolumeCache

Last Updated: 2/14/2017

SYNOPSIS

Writes the file system cache to disk.

SYNTAX

ByDriveLetter (Default)

Write-VolumeCache [-DriveLetter] <Char[]> [-CimSession <CimSession[]>] [-ThrottleLimit <Int32>] [-AsJob]
 [-PassThru] [<CommonParameters>]

ById

Write-VolumeCache -ObjectId <String[]> [-CimSession <CimSession[]>] [-ThrottleLimit <Int32>] [-AsJob]
 [-PassThru] [<CommonParameters>]

ByPaths

Write-VolumeCache -Path <String[]> [-CimSession <CimSession[]>] [-ThrottleLimit <Int32>] [-AsJob] [-PassThru]
 [<CommonParameters>]

ByLabel

Write-VolumeCache -FileSystemLabel <String[]> [-CimSession <CimSession[]>] [-ThrottleLimit <Int32>] [-AsJob]
 [-PassThru] [<CommonParameters>]

InputObject (cdxml)

Write-VolumeCache -InputObject <CimInstance[]> [-CimSession <CimSession[]>] [-ThrottleLimit <Int32>] [-AsJob]
 [-PassThru] [<CommonParameters>]

DESCRIPTION

The Write-VolumeCache cmdlet writes the file system cache to disk. By default, Windows caches file data to be written to disk in a special memory area before writing the data to disk.

This cmdlet enables you to forcibly empty, or flush, the write cache by writing it to disk.

EXAMPLES

Example 1: Write the volume cache

PS C:\>Write-VolumeCache C

This command writes the volume cache for the C: drive.

PARAMETERS

-AsJob

Runs the cmdlet as a background job. Use this parameter to run commands that take a long time to complete.

Type: SwitchParameter
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-CimSession

Runs the cmdlet in a remote session or on a remote computer. Enter a computer name or a session object, such as the output of a New-CimSession or Get-CimSession cmdlet. The default is the current session on the local computer.

Type: CimSession[]
Parameter Sets: (All)
Aliases: Session

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-DriveLetter

Specifies an array of letters that identify one or more drives or volumes in the system. The cmdlet writes the volume cache for the drives or volumes you specify.

Type: Char[]
Parameter Sets: ByDriveLetter
Aliases: 

Required: True
Position: 0
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: False

-FileSystemLabel

Specifies an array of file system labels. The cmdlet writes the volume cache for the file system labels you specify.

Type: String[]
Parameter Sets: ByLabel
Aliases: 

Required: True
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: False

-InputObject

Specifies the input object that is used in a pipeline command.

Type: CimInstance[]
Parameter Sets: InputObject (cdxml)
Aliases: 

Required: True
Position: Named
Default value: None
Accept pipeline input: True (ByValue)
Accept wildcard characters: False

-ObjectId

Specifies an array of IDs, as strings. The ID is not globally unique.

Type: String[]
Parameter Sets: ById
Aliases: Id

Required: True
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: False

-PassThru

Returns an object representing the item with which you are working. By default, this cmdlet does not generate any output.

Type: SwitchParameter
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-Path

Specifies an array of paths. The cmdlet writes the volume cache for the paths you specify.

Type: String[]
Parameter Sets: ByPaths
Aliases: 

Required: True
Position: Named
Default value: None
Accept pipeline input: True (ByPropertyName)
Accept wildcard characters: False

-ThrottleLimit

Specifies the maximum number of concurrent operations that can be established to run the cmdlet. If this parameter is omitted or a value of 0 is entered, then Windows PowerShell® calculates an optimum throttle limit for the cmdlet based on the number of CIM cmdlets that are running on the computer. The throttle limit applies only to the current cmdlet, not to the session or to the computer.

Type: Int32
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

CommonParameters

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.

INPUTS

Microsoft.Management.Infrastructure.CimInstance#ROOT/Microsoft/Windows/Storage/MSFT_Volume

You can use the pipeline operator to pass an array of MSFT_Volume objects to the InputObject parameter.

OUTPUTS

Microsoft.Management.Infrastructure.CimInstance#ROOT/Microsoft/Windows/Storage/MSFT_Volume

If you specify the PassThru parameter, this cmdlet returns an object representing the volumes for which you wrote the file system cache to disk.

NOTES

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