Get-DfsrBacklog
Retrieves the list of pending file updates between two DFS Replication partners.
Syntax
Default (Default)
Get-DfsrBacklog
[[-GroupName] <String[]>]
[[-FolderName] <String[]>]
[-SourceComputerName] <String>
[-DestinationComputerName] <String>
[<CommonParameters>]
Description
The Get-DfrsBacklog cmdlet retrieves pending updates between two computers that participate in Distributed File System (DFS) Replication.
Updates can be new, modified, or deleted files and folders. The maximum number of files that this command displays is 100. The Verbose parameter displays a count of all backlogged updates. Any files or folders listed in the DFS Replication backlog have not yet replicated from the source computer to the destination computer. This is not necessarily an indication of problems. A backlog indicates latency, and a backlog may be expected in your environment, depending on configuration, rate of change, network, and other factors.
Examples
Example 1: Retrieve unreplicated changes
PS C:\> Get-DfsrBacklog -DestinationComputerName "SRV01" -SourceComputerName "SRV02" -GroupName "RG01" -FolderName "RF1A"
Identifier : {DCE7FC28-5584-4D5D-BC84-2BD9D53CC2FC}-v538
Flags : 5
Attributes : 32
GlobalVersionSequenceNumber : {DCE7FC28-5584-4D5D-BC84-2BD9D53CC2FC}-v538
UpdateSequenceNumber : 71576496
ParentId : {997D8F76-1207-49D7-85C9-DED015105A2F}-v1
FileId : 562949953495210
Volume : \\.\C:
Fence : 3
Clock : 130078672846368199
CreateTime : 3/15/2013 5:28:04 PM
UpdateTime : 3/15/2013 5:28:04 PM
FileHash : 173b51c11257a2eb 8c05884560fcfd1d
FileName : diskraid.exe
FullPathName : c:\rf1a\diskraid.exe
Index : 1
ReplicatedFolderId : 997d8f76-1207-49d7-85c9-ded015105a2f
Identifier : {DCE7FC28-5584-4D5D-BC84-2BD9D53CC2FC}-v539
Flags : 5
Attributes : 32
GlobalVersionSequenceNumber : {DCE7FC28-5584-4D5D-BC84-2BD9D53CC2FC}-v539
UpdateSequenceNumber : 71577024
ParentId : {997D8F76-1207-49D7-85C9-DED015105A2F}-v1
FileId : 562949953495211
Volume : \\.\C:
Fence : 3
Clock : 130078672846524997
CreateTime : 3/15/2013 5:28:04 PM
UpdateTime : 3/15/2013 5:28:04 PM
FileHash : 6bcd377edf35e621 a7927703c08545d8
FileName : diskshadow.exe
FullPathName : c:\rf1a\diskshadow.exe
Index : 2
ReplicatedFolderId : 997d8f76-1207-49d7-85c9-ded015105a2f
This command retrieves the first 100 unreplicated changes between the local computer and the upstream computer SRV02 for the replication group RG01 and the replicated folder RF1A. The command displays all file metadata.
Example 2: Retrieve unreplicated changes between upstream and downstream computers
PS C:\> Get-DfsrBacklog -DestinationComputerName "SRV01" -SourceComputerName "SRV02" -GroupName "RG01" -FolderName "RF1" | Format-Table FullPathName, UpdateTime
FullPathName UpdateTime
------------ ----------
c:\rf1a\imageres.dll 3/15/2013 5:28:45 PM
c:\rf1a\mshtml.dll 3/15/2013 5:28:50 PM
This command retrieves the first 100 unreplicated changes between the downstream computer SRV01 and the upstream computer SRV02 for the replication group RG01 and the replicated folder RF1. The command also formats the output into a table that contains only the file paths and modification dates on the upstream server.
Example 3: Retrieve unreplicated changes count to display
PS C:\> Get-DfsrBacklog -GroupName "RG01" -FolderName "RF01" -SourceComputerName "SRV01" -DestinationComputerName "SRV02" -Verbose
The replicated folder has a backlog of files. Replicated folder: "RF01". Count: 2400
This command retrieves the total count of unreplicated changes between the downstream computer SRV02 and the upstream computer SRV01 for the replication group RG01 and the replicated folder RF01. The command displays this output in the verbose stream.
Example 4: Retrieve unreplicated changes count to a string object
PS C:\> (Get-DfsrBacklog -GroupName "RG01" -FolderName "RF01" -SourceComputerName "SRV01" -DestinationComputerName "SRV02" -Verbose 4>&1).Message.Split(':')[2]
2400
This command retrieves the total count of unreplicated changes between the downstream computer SRV02 and the upstream computer SRV01 for the replication group RG01 and the replicated folder RF01. The command converts the verbose stream data into a text string containing only the count, for later manipulation.
Example 5: Retrieve unreplicated changes count to a file
PS C:\> Get-DfsrBacklog -GroupName "RG01" -FolderName "RF01" -SourceComputerName "SRV01" -DestinationComputerName "SRV02" -Verbose 4> verbose.txt > null
PS C:\> Get-Content .\verbose.txt
The replicated folder has a backlog of files. Replicated folder: "RF01". Count: 2400
This command retrieves the total count of unreplicated changes between the downstream computer SRV02 and the upstream computer SRV01 for the replication group RG01 and the replicated folder RF01. The command converts the verbose stream data into a text string containing only the count, for later manipulation.
Parameters
-DestinationComputerName
Specifies the name of the receiving computer. A destination computer is also called an inbound or downstream computer.
Parameter properties
| Type: | String |
| Default value: | None |
| Supports wildcards: | False |
| DontShow: | False |
| Aliases: | ReceivingMember, RMem |
Parameter sets
(All)
| Position: | 3 |
| Mandatory: | True |
| Value from pipeline: | False |
| Value from pipeline by property name: | True |
| Value from remaining arguments: | False |
-FolderName
Specifies an array of names of replicated folders. If you do not specify this parameter, the cmdlet queries for all participating replicated folders. You can specify multiple folders, separated by commas, as well as wildcard characters (*).
Parameter properties
| Type: | String[] |
| Default value: | None |
| Supports wildcards: | True |
| DontShow: | False |
| Aliases: | RF, RfName |
Parameter sets
(All)
| Position: | 1 |
| Mandatory: | False |
| Value from pipeline: | False |
| Value from pipeline by property name: | True |
| Value from remaining arguments: | False |
-GroupName
Specifies an array of names of replication groups. If you do not specify this parameter, the cmdlet queries for all participating replications groups. You can use a comma separated list and the wildcard character (*).
Parameter properties
| Type: | String[] |
| Default value: | None |
| Supports wildcards: | True |
| DontShow: | False |
| Aliases: | RG, RgName |
Parameter sets
(All)
| Position: | 0 |
| Mandatory: | False |
| Value from pipeline: | True |
| Value from pipeline by property name: | True |
| Value from remaining arguments: | False |
-SourceComputerName
Specifies the name of the sending computer. A source computer is also called an outbound or upstream computer.
Parameter properties
| Type: | String |
| Default value: | None |
| Supports wildcards: | False |
| DontShow: | False |
| Aliases: | SendingMember, SMem |
Parameter sets
(All)
| Position: | 2 |
| Mandatory: | True |
| Value from pipeline: | False |
| Value from pipeline by property name: | True |
| Value from remaining arguments: | False |
CommonParameters
This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutBuffer, -OutVariable, -PipelineVariable, -ProgressAction, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.