Cloud Architecture

Low-Cost Cloud Disaster Recovery with DRS

Cloud Architecture diagram · made in Skemio

Disaster recovery architecture showing continuous block replication from primary VMs to low-cost AWS staging EBS, spinning up full recovery instances on demand.
Disaster recovery architecture showing continuous block replication from primary VMs to low-cost AWS staging EBS, spinning up full recovery instances on demand.
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What it shows

  • Continuous block-level data replication minimizes RPO to sub-second levels.
  • Lightweight staging area uses low-cost EBS volumes and small EC2 instances.
  • Spin up full-sized compute instances automatically in minutes during failovers.

The takeaway

Cut DR idle costs by replicating at the block layer into lightweight storage until failover.

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