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README.md

Hyper-V replication sample

This sample demonstrates how to use the Hyper-V WMI replication APIs to configure and control virtual machine replication.The sample demonstrates how to perform each of the following operations:

This sample is written in C# and requires some experience with WMI programming.

The Windows-classic-samples repo includes a variety of code samples that demonstrate the use of various new programming features for managing Hyper-V that are available starting in Windows 8.1 and/or Windows Server 2012 R2. This repo provides a Visual Studio solution (SLN) file for each sample, along with the source files, assets, resources, and metadata needed to compile and run the sample. For more information about the programming models, platforms, languages, and APIs demonstrated in this sample, please refer to the Hyper-V WMI provider (V2) documentation.

To get a copy of Windows, go to Downloads and tools.

Related technologies

Hyper-V replication API

Operating system requirements

Client

Windows 8.1

Server

Windows Server 2012 R2

Build the sample

  1. Start Visual Studio and select File > Open > Project/Solution.

  2. Go to the directory named for the sample, and double-click the Microsoft Visual Studio Solution (.sln) file titled Replica.sln.

  3. Press F7 (or F6 for Microsoft Visual Studio 2013) or use Build > Build Solution to build the sample.

Run the sample

Note This sample must be run as an administrator.

This sample can be run in several different modes. To obtain a list of the operations, use the following command line:

ReplicaSamples.exe /?

To debug the app and then run it from Visual Studio, press F5 or use Debug > Start Debugging. To run the app without debugging, press Ctrl+F5 or use Debug > Start Without Debugging.

Enable or disable the replication service

To run this sample in this mode, follow these steps.

  1. Enter the debug command line arguments for the project. The usage of this sample is:

    ReplicaSamples.exe ModifyReplicationService {0|1}

    Pass 0 for the last parameter to disable the replication service or 1 to enable the replication service.

  2. To debug the app and then run it from Visual Studio, press F5 or use Debug > Start Debugging. To run the app without debugging, press Ctrl+F5 or use Debug > Start Without Debugging.

  3. The final result of the operation will be displayed in the console window.

Start a replication

To run this sample in this mode, follow these steps.

  1. Enter the debug command line arguments for the project. The usage of this sample is:

    ReplicaSamples.exe StartReplication VirtualMachineName

    VirtualMachineName is the name of the virtual machine to start replicating.

  2. To debug the app and then run it from Visual Studio, press F5 or use Debug > Start Debugging. To run the app without debugging, press Ctrl+F5 or use Debug > Start Without Debugging.

  3. The final result of the operation will be displayed in the console window.

Create a test replica virtual machine

To run this sample in this mode, follow these steps.

  1. Enter the debug command line arguments for the project. The usage of this sample is:

    ReplicaSamples.exe TestReplicaSystem VirtualMachineName

    VirtualMachineName is the name of the virtual machine to create a test replica virtual machine for.

  2. To debug the app and then run it from Visual Studio, press F5 or use Debug > Start Debugging. To run the app without debugging, press Ctrl+F5 or use Debug > Start Without Debugging.

  3. The final result of the operation will be displayed in the console window.

Initiate a failover for a virtual machine

To run this sample in this mode, follow these steps.

  1. Enter the debug command line arguments for the project. The usage of this sample is:

    ReplicaSamples.exe InitiateFailover VirtualMachineName

    VirtualMachineName is the name of the virtual machine to initiate a failover for.

  2. To debug the app and then run it from Visual Studio, press F5 or use Debug > Start Debugging. To run the app without debugging, press Ctrl+F5 or use Debug > Start Without Debugging.

  3. The final result of the operation will be displayed in the console window.

Reverse a replication relationship for a virtual machine

To run this sample in this mode, follow these steps.

  1. Enter the debug command line arguments for the project. The usage of this sample is:

    ReplicaSamples.exe ReverseReplicationRelationship VirtualMachineName

    VirtualMachineName is the name of the virtual machine to reverse the replication relationship for.

  2. To debug the app and then run it from Visual Studio, press F5 or use Debug > Start Debugging. To run the app without debugging, press Ctrl+F5 or use Debug > Start Without Debugging.

  3. The final result of the operation will be displayed in the console window.

Remove an authorization entry

To run this sample in this mode, follow these steps.

  1. Enter the debug command line arguments for the project. The usage of this sample is:

    ReplicaSamples.exe RemoveAuthorizationEntry FQDN

    FQDN is the fully qualified domain name of the primary server to remove.

  2. To debug the app and then run it from Visual Studio, press F5 or use Debug > Start Debugging. To run the app without debugging, press Ctrl+F5 or use Debug > Start Without Debugging.

  3. The final result of the operation will be displayed in the console window.

Remove a replication relationship for a virtual machine

To run this sample in this mode, follow these steps.

  1. Enter the debug command line arguments for the project. The usage of this sample is:

    ReplicaSamples.exe RemoveReplicationRelationshipEx VirtualMachineName **** Relationship Type

    VirtualMachineName is the name of the virtual machine to remove the replication relationship for.

    Relationship Type is the relationship type which should be removed. It should be either 0 or 1.

  2. To debug the app and then run it from Visual Studio, press F5 or use Debug > Start Debugging. To run the app without debugging, press Ctrl+F5 or use Debug > Start Without Debugging.

  3. The final result of the operation will be displayed in the console window.

Add an authorization entry

To run this sample in this mode, follow these steps.

  1. Enter the debug command line arguments for the project. The usage of this sample is:

    ReplicaSamples.exe AddAuthorizationEntry FQDN **** TrustGroup

    where the parameters are as follows:

    • FQDN is the fully qualified domain name of the primary server to add.
    • TrustGroup identifies the group of trusted primary servers for the authorization entry.

  2. To debug the app and then run it from Visual Studio, press F5 or use Debug > Start Debugging. To run the app without debugging, press Ctrl+F5 or use Debug > Start Without Debugging.

  3. The final result of the operation will be displayed in the console window.

Set an authorization entry for a virtual machine

To run this sample in this mode, follow these steps.

  1. Enter the debug command line arguments for the project. The usage of this sample is:

    ReplicaSamples.exe SetAuthorizationEntry VirtualMachineName **** FQDN

    where the parameters are as follows:

    • VirtualMachineName is the name of the virtual machine to set the authorization entry for.
    • FQDN is the fully qualified domain name of the primary server.

  2. To debug the app and then run it from Visual Studio, press F5 or use Debug > Start Debugging. To run the app without debugging, press Ctrl+F5 or use Debug > Start Without Debugging.

  3. The final result of the operation will be displayed in the console window.

Create a replication relationship for a virtual machine

To run this sample in this mode, follow these steps.

  1. Enter the debug command line arguments for the project. The usage of this sample is:

    ReplicaSamples.exe CreateReplicationRelationship VirtualMachineName **** RecoveryServerName

    where the parameters are as follows:

    • VirtualMachineName is the name of the virtual machine to create a replication relationship for.
    • RecoveryServerName is the name of the recovery server.

  2. To debug the app and then run it from Visual Studio, press F5 or use Debug > Start Debugging. To run the app without debugging, press Ctrl+F5 or use Debug > Start Without Debugging.

  3. The final result of the operation will be displayed in the console window.

Change the replication state for a virtual machine

To run this sample in this mode, follow these steps.

  1. Enter the debug command line arguments for the project. The usage of this sample is:

    ReplicaSamples.exe RequestReplicationStateChangeEx VirtualMachineName RequestedState RelationshipType

    where the parameters are as follows:

    • VirtualMachineName is the name of the virtual machine to change the replication state for.
    • RequestedState is one of the values for the RequestedState parameter of the RequestReplicationStateChangeEx method that specifies the new replication state.
    • RelationshipType is the relationship type whose replication state is to be changed. It should be either 0 or 1.

  2. To debug the app and then run it from Visual Studio, press F5 or use Debug > Start Debugging. To run the app without debugging, press Ctrl+F5 or use Debug > Start Without Debugging.

  3. The final result of the operation will be displayed in the console window.