How Double-Take Works

cyburdine/ February 10, 2015/ Uncategorized/ 0 comments

How It Works

Double-Take Availability is a software offering from Vision Solutions.  While it enables you to do quite a few things from an IT operational perspective, like disaster recovery and automatic failover, etc, we primarily use it to migrate both physical (P2V) and virtual (V2V) servers.  It offers a way to provide my clients with minimal downtime while making it very easy to migrate from datacenters around the globe.

Double-Take continuously captures byte-level changes and replicates the data changes in real-time to any storage across at any location.  This continuous real-time synchronization allows us to setup migration jobs, let them synchronize and then schedule them in batches to be cutover.  We

Windows Requirements

  • Windows Server 2003 / 2008 Standard, Enterprise and Datacenter Editions (32-bit / 64-bit)
  • Windows Server 2012 Foundation, Essentials, Standard, Datacenter Editions

Hyper-V Requirements:

  • Microsoft .NET 3.5 SP1
  • VMs stored on a standard NTFS file system
  • TCP/IP with static IP addressing or reserved DHCP addressing for Hyper-V hosts

VMWare Requirements

  • VMware VirtualCenter 2.x or later
  • VMware ESX Server 3.x or later
  • VMware ESXi 5.0 or later

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