Disaster Recovery Approaches
For your DR strategy, we recommend the following approaches
Traditional backup and recovery
Traditional backup and recovery services provide businesses with a way to ensure data is preserved and secure in the event of an unexpected outage.
Pilot light on AWS
Pilot light is an important safety feature for Amazon Web Services (AWS) systems, ensuring that a system is always in a safe operating state.
Warm standby on AWS
Warm standby on AWS is a process of keeping a copy of a system or application running on a separate server or cloud instance in order to ensure quick and reliable failover in the event of an outage or other disruption.
Multi-Site on AWS
Multi-site deployments on AWS can provide cost savings, scalability, and flexibility, allowing organizations to deploy applications in multiple regions or availability zones.
| Solution Types | DR Mode | Services Needed | Resources | Failover Scenario | Recovery Time Objective |
|---|---|---|---|---|---|
| Cloud Backup (Cold DR) | Backup | Baas | Storage | Restore | Up to 24 hours |
| Automated backup as a service in US Data Centers | Compute (Unreserved) | ||||
| Disaster Recovery (Warm DR) | Active – Passive | Iaas | Storage | Boot on VM | Up to 4 – 6 hours |
| Near-instant recovery from on-premise IT emergencies | Baas | Compute | |||
| High Availability (Hot DR) | Active – Active |
| Dedicated | Automatic | Less than a minute |
| Zero downtime with automated & seamless fail-over services |
Stages in Disaster Recovery
-
Setup
Installation
Registration
-
Configure
Cloud Mapping
Network Mapping
-
Project
Enable Protection
Recovery Plans
-
Failover
Planned Failover
Unplanned Failover
-
Monitor
Job
Resources
Levels of DR Options
BACKUP & RESTORE
Leverage Amazon Web Services (AWS) for backing up on-premises data for use in a disaster recovery event.
- RPO 24h
- RTO 24h
- COST $
PILOT LIGHT
Duplicate data and minimal operational services to AWS, to be ready to take over and start quickly.
- RPO 12h
- RTO 4h
- COST $
WARM STANDBY
Prepare to take over by replicating data and services into AWS.
- RPO 1-4h
- RTO 15m
- COST $
MULTI SITE
Multiple copies of an environment which are both currently serving production traffic and also load-balanced, allowing for an efficient distribution of requests.
- RPO <15m
- RTO 0-5m
- COST $
Benefits Of DR
Benefits of Using AWS for Disaster Recovery
- Fast disk-based storage and retrieval of files
- Eliminate costs associated with transporting, storing, and retrieving tape media and associated tape backup software.
- Fast retrieval of files allows you to avoid fines for missing compliance deadlines
- Add any amount of data, quickly. Easily expire and delete without handling media
- Secure and durable cloud disaster recovery platform with industry-recognized certifications and audits
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