Category: Hyper-V Replica

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Capacity Planner for Hyper-V Replica

Hyper-V in Windows Server 2012 includes a new capability called Hyper-V Replica. Hyper-V Replica allows administrators to replicate their virtual machines from a primary server/cluster to a replica server/cluster. The Capacity Planner for Hyper-V Replica guides the IT administrator to design the server, storage and network infrastructure which is required to successfully deploy Hyper-V Replica. After reviewing the license terms, Click on ‘I accept the license term’ and click on...

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Management Tasks for Hyper-V Replica

The Hyper-V Manager interface is used to manage standalone Hyper-V Primary, Replica servers, and the virtualized workloads running on those servers.   The Failover Cluster Manager interface is used if the Primary or Replica servers are part of a Hyper-V Failover Cluster. Hyper-V Replica management tasks can be categorized as follows: Hyper-V Server Primary Site Management Tasks Hyper-V Server Replica Site Management Tasks Virtual Machine Primary Site Management Tasks Virtual Machine...

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Troubleshooting Hyper-V Replica

Introduction to Troubleshooting Hyper-V Replica This section explains how to troubleshoot Hyper-V Replica.  Use this guide when: You have problems with connectivity between Primary and Replica servers You have problems enabling a virtual machine for replication You have problems with virtual machine replication whether it is Initial Replication (IR) or Delta Replication (DR) You have problems executing management actions associated with virtual machines on a Primary or Replica server You...

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General Methodology for Troubleshooting Hyper-V Replica

Hyper-V Replica connectivity issues between Primary and Replica servers Symptom:  Hyper-V Replica functionality is disrupted and the Hyper-V VMMS\Admin log reports general network connectivity errors between the Primary and Replica server Verify the Replica server is booted and running. Check network connectivity and name resolution functionality between the Primary and Replica server by executing ping and nslookup tests.  If ping test fails, resolve network connectivity issues.  If name resolution fails,...

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Hyper-V Failover Cluster as a Primary or Replica Server

Failover Clustering has proven its value in making virtualized workloads highly available.  We saw this in Windows Server 2008 using Quick Migration and then in Windows Server 2008 R2 with the addition of Live Migration. Failover Clustering can also play an important role as a Replica Cluster.  To accommodate this, a new role has been added in Failover Clustering called the Hyper-V Replica Broker.  A new resource type, Virtual Machine...

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Enabling a Virtual Machine for Replication

Replication is configured on a per virtual machine basis.  Virtual machines running on Primary site Hyper-V servers (or Hyper-V Failover Clusters) are configured to replicate to Replica servers (or Replica Failover Clusters) at remote sites. 1.     In Hyper-V Manager, in the Details pane, Click on a virtual machine 2.     With a virtual machine selected, Right-click and choose Enable Replication.  This starts the Enable Replication wizard 3.     In the Specify Replica...

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Configuring and Managing Hyper-V Replica

Management Considerations Hyper-V servers are managed locally using the Hyper-V Manager interface or remotely using the Hyper-V Remote Server Administration Tools (RSAT) or System Center Virtual Machine Manager (SCVMM).  If the configuration is a Hyper-V Failover Cluster, the Failover Cluster Management interface is used. Configuration and Management UI Hyper-V Replica settings are configured in the Hyper-V Manager interface for standalone Hyper-V servers and the Failover Cluster Manager interface for Hyper-V...

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Installation Process of Hyper-V Replica

Hyper-V Replica is installed as part of the Hyper-V Role. Installation UI/Wizard To add the Hyper-V Role to a server installation, use the Add Role and Feature Wizard (ARFW), which is part of Server Manager or use the Deployment Image and Servicing Management (DISM) command line tool.  A reboot is required.  This can occur automatically if the installation is being executed in the Server Manager interface by checking a box...

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Hyper-V Replica PowerShell CMDLETS

The following Hyper-V PowerShell cmdlets apply to Hyper-V Replica.   Cmdlet Complete-VMFailover Description This cmdlet completes the Failover process of the virtual machine. The virtual machine’s current recovery point is committed and all other recovery points are removed. Failover cannot be cancelled once the recovery points are removed. Verb-Noun Complete-VMFailover Syntax Complete-VMFailover [-VMName] <String> [-ComputerName <String[]>] [-PassThru] Example Complete-VMFailover -VMName C0-FIN-FS1   Cmdlet Get-VMNetworkAdapterFailoverConfiguration Description Retrieves the Failover IP settings on...

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Hyper-V Replica Communications Architecture

Hyper-V Replica Communications Architecture The Hyper-V Replica communications architecture is implemented at the Hyper-V Replica Network transport layer.  This layer provides a bi-directional transport channel based on the HTTP Client-Server model to send virtual machine replicas and control messages between Primary and Replica servers.  Replica Network Services is responsible for authorizing access to a Replica server and mutually authenticating the Primary and Replica servers.  It also provides the ability to...