IT DISASTER RECOVERY

 

With today's Covid-19 situation, many customers are in business continuity mode and yet require a highly reliable way to continue working. 
Introducing Hyper-V Replica, an asynchronous, virtual machine replication technology, designed with business continuity and disaster recovery in mind

Disaster Recovery with Hyper-V Replica

 

Are you using Hyper-V as your Hypervisor?

You're in luck! Since Window Server 2012 R2, Hyper-V have had possibly the best disaster recovery capability built-in at no additional cost. It is called  Hyper-V Replica .

To mitigate a rack failure:

Replicate the VMs from one rack to another using the 30 seconds Recovery Point Objective (RPO).

To mitigate the site failure:
Replicate from this to another physical location using either the 5 minute or 15 minute RPO. The choice of 5 or 15 minutes RPO is entirely up to you. However, you cannot use 30 seconds as the 1st replication is already using it.

Works with:
- Any Server vendor
- Any Network vendor
- Any Storagevendor
- Also unlimited replication is available out of the         box

Some people are initially confused about when to use Hyper-V Replica and when to use Hyper-V live migration. The former, keeps up-to-date copies of your virtual machines in case of a disaster, and allows you to switch to those copies when required. This is usually an unplanned event. 

However, for the latter, live migration is about planned events; moving your virtual machines and their associated storage across different locations when required.


 

Hyper-V Replica provides virtual machine replication for any of your servers, networks or storage vendors. It does not require a failover cluster or any shared storage. You can replicate individual or multiple virtual machines

You can replicate your virtual machines from one computer running Hyper-V at a primary site (the primary server) to another computer running Hyper-V at a Replica site (the Replika server). Keep in mind that your Replica server can accept incoming replication traffic from one or more primary server.


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Hyper-V Replica Benefits

  1. Hyper-V Replica allows you, in the event of a failure at a primary site (for example, fire, power, outage, orserver failure), to fail over your production workloads to Replica servers at a secondary location with minimal downtime.

  2. Configurations for the Hyper-V Replica server and storage hardware at each site do not have to be identical. Domain membership is also not required.

  3. Hyper-V Replica provides the option to restore virtualized workloads to a point in time, depending on the recovery histroy selections for the virtual machine.

  4. Hyper-V Replica provides the necessary management APIs that enable IT management vendors to build an enterprise disaster recovery solution for their customers.

  5. Hyper-V Replica enables Infrastructure as a Service (Iaas) for hosting providers that host decdicated virtual servers for their customers.