Application consistent recovery points with Windows Server 2008/2003 guest OS

I recently had a conversation with a customer around a very interesting problem, and the insights that were gained there are worth sharing. The issue was about VSS errors popping up in the guest event viewer while Hyper-V Replica reported the successful creation of application-consistent (VSS-based) recovery points. Deployment details The customer had the following… Read more

Excluding virtual disks in Hyper-V Replica

Since its introduction in Windows Server 2012, Hyper-V Replica has provided a way for users to exclude specific virtual disks from being replicated. This option is rarely exercised but can have a significant benefits when used correctly. This blog post covers the disk exclusion scenarios and the impact this has on the various operations done… Read more

Hosting Providers and HRM

If you are a hosting provider who is interested in offering DR as a service – you should go over this great post by Gaurav on how Hyper-V Recovery Manager (HRM) helps you build this capability The post provides a high level overview of the capability and also a detailed FAQ on the common… Read more

Hyper-V Replica debugging: Why are very large log files generated?

Quite a few customers have reached out to us with this question, and you can even see a few posts around this on the TechNet Forums. The query comes in various forms: “My log file size was in the MBs and sometime at night it went into the GBs – what happened?” “I have huge… Read more

Update: Capacity Planner for Hyper-V Replica

In May 2013, we released the first version of the Capacity Planner for Hyper-V Replica on Windows Server 2012. It allowed administrators to plan their Hyper-V Replica deployments based on the workload, storage, network, and server characteristics. While it is always possible to monitor every single perfmon counter to make an informed decision, a readymade… Read more

GA of Hyper-V Recovery Manager (HRM)

We are excited to announce the General Availability of Hyper-V Recovery Manager or HRM for short. HRM is an Azure hosted service which orchestrates the protection and recovery of virtual machines in your datacenter. Hyper-V Replica replicates your virtual machines from your primary datacenter to your secondary datacenter. To re-emphasize, your VMs are not replicated… Read more

Upgrading to Windows Server 2012 R2 with Hyper-V Replica

The TechNet article provides detailed guidance on migrating Hyper-V VMs from a Windows Server 2012 deployment to a Windows Server 2012 R2 deployment. calls out the various VM migration techniques which are available as part of upgrading your deployment. The section titled “Hyper-V Replica” calls out further guidance for deployments which have replicating… Read more

Replicating fixed disks to dynamic disks in Hyper-V Replica

A recent conversation with a hosting provider using Hyper-V Replica brought an interesting question to the fore. The hosting provider’s services were aimed primarily towards Small and Medium Businesses (SMBs), with one service being DR-as-a-Service. A lot of the virtual disks being replicated were fixed, had sizes greater than 1 TB, and were mostly empty… Read more

Monitoring Hyper-V Replica using System Center Operations Manager

Customers asked us if they can have a monitoring mechanism for Hyper-v Replica in a rainy day scenario. With System Center Operations Manager 2012 SP1, customers can now monitor Hyper-V Replica using a Management Pack available for free from the catalogue of SCOM. This blog post will deal with adding the management packs to SCOM… Read more

Using an existing VM for initial replication in Hyper-V Replica

Hyper-V Replica provides three methods to do initial replication: Send data over the network (Online IR) Send data using external media (OOB IR) Use an existing virtual machine as the initial copy Each option for initial replication has a specific scenario for which it excels. In this post we will dive into the underlying reasons… Read more