AWS Backup Gateway のアイコン

AWS Backup Gateway Specialized2021年〜

A gateway service for protecting on-premises VMware virtual machines with AWS Backup

About 3 min read

What It Does

AWS Backup Gateway is a gateway service that lets you manage on-premises VMware vSphere virtual machines under AWS Backup policies. You deploy a gateway virtual appliance on-premises, and it backs up VMware virtual machines to AWS cloud storage. This enables unified backup policy management across both cloud and on-premises resources.

Use Cases

Used for cloud backup of on-premises VMware virtual machines, offsite backup for disaster recovery (DR), unified backup policy management across AWS and on-premises environments, and reducing the cost of on-premises backup infrastructure.

Everyday Analogy

Think of it like a bank's safe deposit box service. You want to keep copies of the valuables (virtual machines) stored in your home safe (VMware on-premises) in the bank's vault (S3 on AWS) as well. A dedicated courier service (Backup Gateway) regularly visits your home and securely transports copies of your valuables to the bank.

What Is Backup Gateway?

AWS Backup Gateway is a service for protecting on-premises VMware virtual machines with AWS Backup. Many organizations have VMware environments on-premises, but managing backups is complex and costly. With Backup Gateway, you can manage on-premises virtual machines through AWS's backup infrastructure, storing backups in highly durable cloud storage.

How the Gateway Works

Backup Gateway works by deploying a gateway virtual appliance (OVA) in your on-premises VMware vSphere environment. The gateway integrates with vCenter Server and reports the list of virtual machines to AWS Backup. During backup execution, the gateway takes snapshots of virtual machines, compresses and encrypts the data, and transfers it to AWS.

Integration with AWS Backup

VMware virtual machines discovered through Backup Gateway appear in the AWS Backup console alongside EC2 and RDS resources. You create backup plans and configure backup frequency, retention periods, and lifecycle rules (such as transitioning to Glacier). This lets you apply unified backup policies to both on-premises and cloud resources, reducing management complexity. For a comprehensive understanding of AWS Backup integration, specialized books on Amazon provide systematic coverage.

Getting Started

Create a gateway from the AWS Backup console and download the OVA file. Deploy the OVA in your VMware vSphere environment and connect it to AWS using the gateway activation key. Add your vCenter Server hypervisor, and virtual machines are automatically discovered. Then simply create a backup plan in AWS Backup and assign the target virtual machines.

Things to Watch Out For

  • The gateway virtual appliance requires a minimum of 4 vCPUs, 8 GB memory, and 80 GB disk, consuming on-premises resources
  • Backup data transfer uses internet or Direct Connect bandwidth, so be mindful of network capacity when transferring large volumes of data
  • Supported VMware versions are limited, so verify compatibility before deployment
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