📖 What is AWS Snowball?
AWS Snowball is a data transport solution used to migrate petabytes of data into and out of AWS using physical hardware devices. It is ideal for environments with limited network bandwidth where online transfers would take an impractical amount of time.
"Choose Snowball when the 'time to transfer' over the internet exceeds several weeks or when local bandwidth is severely constrained."
📚 Certification: AWS Certified Solutions Architect - Associate (SAA-C03)
🔑 What are the Key Concepts of AWS Snowball?
- ▸ Snowball Edge Storage Optimized focuses on high-capacity data migration, while Compute Optimized provides powerful CPU and GPU resources for local processing at the edge.
- ▸ The service utilizes physical hardware devices shipped to customers, bypassing the need for high-bandwidth network connections during the initial massive data transfer.
- ▸ Security is ensured via hardware-based encryption and a Trusted Platform Module (TPM), protecting data during physical transit between the customer site and AWS.
- ▸ Integration with Amazon S3 allows for seamless data ingestion; once the device is returned, AWS uploads the data directly into the designated S3 bucket.
- ▸ Edge computing capabilities enable running EC2 instances and Lambda functions locally on the device in environments with no or intermittent internet connectivity.
🎯 How does AWS Snowball appear on the SAA-C03 Exam?
You may be asked to recommend a migration strategy for a company with 500 TB of data and a slow internet connection where online transfer is impractical.
A scenario might describe a remote research station requiring local data processing and storage before periodically syncing results to AWS; identify Snowball Edge as the solution.
Expect questions comparing Snowball to AWS DataSync; remember Snowball is for physical transport of massive volumes, while DataSync is for online synchronization over the network.
❓ Frequently Asked Questions
When should I choose Snowball Edge over AWS Snowcone?
Choose Snowcone for smaller datasets (up to 8TB) and portable, lightweight needs. Choose Snowball Edge for larger datasets (up to 80TB per device) and more powerful edge computing requirements.
Is the data on the Snowball device encrypted during shipping?
Yes, all data is encrypted using 256-bit keys. The device uses a Trusted Platform Module (TPM) to ensure the hardware is not tampered with during transit.