Disaster Recovery Implementation on AWS - Go Cloud

Disaster Recovery Implementation on AWS

DevOps & Solution Architecture

Route53 & EC2

S3 Bucket

RDS

CloudFormation

AWS Backup

Overview

A large financial investment firm with critical applications requiring high availability and disaster recovery capabilities faced challenges with their existing on-premises disaster recovery (DR) solution. The outdated DR setup was costly to maintain and slow to restore services, creating a risk of significant financial losses due to unplanned downtimes.

Problem

1.Outdated DR Solution:

The current on-premises DR setup is expensive to maintain and slow to restore services.

2.High Potential for Financial Losses:

Risk of substantial financial losses due to unplanned downtimes.

3.Lack of Automation:

Manual processes for failover and recovery lead to increased recovery times and inefficiencies.

Solution Approach

We implemented a cost-effective and automated disaster recovery solution using AWS services:

Route 53:

For DNS failover to automatically route traffic to the DR site in case of a disaster.

S3:

For storing backups and data replication.

EC2 & Auto Scaling:

For running instances in the DR region and scaling them as needed.

RDS Multi-AZ:

To provide automatic failover for databases.

CloudFormation:

To automate the provisioning of infrastructure in the DR region.

AWS Backup:

To automate and centralize backup management across AWS services.

CloudEndure Disaster Recovery:

For continuous block-level replication and near-zero RPO (Recovery Point Objective).

Implementation

The disaster recovery plan was implemented according to the client’s current infrastructure and business continuity requirements:

1.Data Replication:

Implemented real-time data replication from the primary region to the DR region using CloudEndure Disaster Recovery.

2.Multi-AZ Setup:

Deployed RDS instances in a Multi-AZ configuration to ensure high availability of databases.

3.Backup Strategy:

Utilized AWS Backup to automate backups across services, ensuring data integrity and availability.

4.Infrastructure as Code (IaC):

Created CloudFormation templates to replicate the primary environment in the DR region quickly.

5.DNS Failover:

Configured Route 53 for DNS failover to route traffic to the DR site automatically in case of a failure in the primary region.

6.Testing & Validation:

Performed regular failover and failback testing to ensure the DR solution works as expected and meets the required RTO (Recovery Time Objective) and RPO.

7.Testing & Validation:

Performed regular failover and failback testing to ensure the DR solution works as expected and meets the required RTO (Recovery Time Objective) and RPO.

8.Automation:

Automated failover processes to reduce recovery time and human intervention during a disaster.

Benefits

1.Reduced Downtime:

Achieved near-zero RPO and minimal RTO, significantly reducing the risk of downtime.

2.Cost Savings:

Reduced the cost of maintaining a secondary on-premises DR site by utilizing AWS’s pay-as-you-go model.

3.Enhanced Security:

Ensured data security and compliance with industry regulations through automated encryption and access controls.

4.Scalability:

The DR environment can scale up automatically during a disaster, providing the necessary resources on demand.

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