Amazon Elastic Block Store (EBS) is a scalable, high-performance block storage service designed for use with Amazon Elastic Compute Cloud (EC2) instances. It provides persistent storage that remains available even after the associated EC2 instance is stopped or terminated, making it ideal for appli…Amazon Elastic Block Store (EBS) is a scalable, high-performance block storage service designed for use with Amazon Elastic Compute Cloud (EC2) instances. It provides persistent storage that remains available even after the associated EC2 instance is stopped or terminated, making it ideal for applications requiring reliable data storage. EBS volumes behave like raw, unformatted block devices, allowing users to format them with a file system of their choice or use them as storage for databases, applications, and other workloadsEBS offers different volume types tailored to various performance and cost requirements. General Purpose SSD (gp3) volumes are suitable for a wide range of workloads, balancing price and performance, while Provisioned IOPS SSD (io2) volumes deliver high performance for mission-critical applications. Throughput Optimized HDD (st1) and Cold HDD (sc1) volumes provide cost-effective storage options for large, sequential workloads and infrequently accessed data, respectivelyOne of the key features of EBS is its ability to snapshot data. Snapshots are point-in-time backups of EBS volumes stored in Amazon S3, enabling data recovery, replication across regions, and the creation of new volumes from existing snapshots. EBS also supports features like encryption, ensuring data security both at rest and in transit. Integration with AWS Identity and Access Management (IAM) allows for fine-grained access control, enhancing security and compliancePerformance of EBS volumes can be adjusted based on the application’s needs. Throughput and IOPS can be scaled, and provisioning can be automated using AWS Management Console, CLI, or APIs. Additionally, EBS is designed for durability and availability, with automated replication within an Availability Zone to protect against hardware failures. For high availability applications, EBS volumes can be attached to multiple EC2 instances across different Availability ZonesIn the context of AWS Certified Cloud Practitioner, understanding EBS is fundamental as it is a core component of AWS storage services, providing the necessary building blocks for reliable, scalable, and secure data storage solutions in the cloud.
Amazon EBS: Elastic Block Store
Amazon Elastic Block Store (EBS) is a critical component of the AWS ecosystem, providing persistent block-level storage volumes for use with Amazon EC2 instances. Understanding Amazon EBS is essential for the AWS Certified Cloud Practitioner exam.
Why Amazon EBS is Important: 1. Provides reliable and scalable storage for EC2 instances 2. Enables data persistence beyond the lifecycle of EC2 instances 3. Supports various use cases, such as databases, enterprise applications, and file systems
What is Amazon EBS? Amazon EBS offers block-level storage volumes that can be attached to EC2 instances. Key features include: 1. Persistent storage: Data stored on EBS volumes persists independently of the lifecycle of the attached EC2 instance 2. Scalability: EBS volumes can be dynamically resized and support provisioned IOPS for demanding workloads 3. Snapshotting: Point-in-time snapshots of EBS volumes can be taken and used for backup or creating new volumes
How Amazon EBS Works: 1. Create an EBS volume and specify its size, type, and configuration 2. Attach the EBS volume to an EC2 instance 3. Format and mount the EBS volume on the EC2 instance 4. Read and write data to the EBS volume as needed 5. Detach the EBS volume when no longer required
Exam Tips: Answering Questions on Amazon EBS 1. Understand the differences between EBS volume types (e.g., gp2, io1, st1, sc1) 2. Know how to create, attach, detach, and delete EBS volumes 3. Recognize use cases for EBS, such as boot volumes, data storage, and databases 4. Be familiar with EBS snapshots and their role in backup and recovery strategies 5. Differentiate between EBS and other storage services like Amazon S3 and EFS
By mastering these concepts, you'll be well-prepared to tackle Amazon EBS questions on the AWS Certified Cloud Practitioner exam.