How to Migrate Your Database to AWS

Migrating databases to the cloud is essential for businesses aiming to scale operations, reduce costs, and improve security. Among various cloud providers, Amazon Web Services (AWS) stands out as a preferred option for database migration.

One of the primary concerns during this process is minimizing downtime. Since databases are critical for daily operations, any interruption can severely impact performance. Fortunately, the AWS Database Migration Service (DMS) provides a reliable way to migrate. It allows for a smooth transition with little or no downtime.

Here are several reasons why businesses are opting to move their databases to AWS:

1. Scalability

2. Cost Savings

3. Enhanced Security

4. High Availability

Steps to Migrate Databases to AWS with Minimal Downtime

1. Plan the Migration: Pick your target (RDS, Aurora, or Atlas). Use the Schema Conversion Tool (SCT) to check compatibility with the source.

2. Set Up AWS DMS: Launch a replication instance and configure the source and target endpoints for secure communication.

3. Perform Full Data Load: Start by transferring your whole dataset and schema from the source to the AWS target.

4. Enable Change Data Capture (CDC): Initiate real-time synchronization to capture ongoing transactions, keeping both databases in sync.

5. Final Cutover:Change your application's connection to the new AWS database. Do this when the sync lag is nearly zero.

6. Decommission the Source: Take a final backup of your legacy database before shutting it down to avoid unnecessary costs.

7. Monitor Performance: Use Amazon CloudWatch and CloudTrail to track database health and audit activity after migration.

Using the AWS Database Migration Service (DMS), businesses can migrate easily. This process allows for no downtime and ongoing data replication. This service, along with careful planning and best practices, helps lessen disruption during the move to the cloud.

Read the full blog to understand the best practices, Benefits of it. https://teleglobals.com/blog/migrating-databases-to-aws-with-minimal-downtime