Elastic Block Store

Definition of Elastic Block Store

Elastic Block Store (EBS) is a service provided by Amazon Web Services (AWS) that offers scalable, persistent block storage for use with Amazon EC2 instances. EBS volumes can be easily attached or detached from EC2 instances, allowing for increased storage capacity and data persistence even after an instance is terminated. It is designed to provide low latency, high throughput, and durability for applications and workloads that require frequent data access and changes.


The phonetic pronunciation of the term “Elastic Block Store” is:Eh-las-tik Blok Stawr

Key Takeaways

  1. Elastic Block Store (EBS) is a highly available, durable, and scalable block storage service designed specifically for use with Amazon Elastic Compute Cloud (EC2) instances. It provides consistent and low-latency performance for a wide variety of workloads.
  2. EBS volumes can be easily created, modified, and deleted on-demand, allowing users to scale their storage capacity according to their needs. They also support a range of volume types optimized for different performance requirements and costs.
  3. EBS offers advanced features, such as snapshots to create point-in-time copies of volumes for backup purposes, encryption to secure data at rest, and the ability to move volumes across EC2 instance types and Availability Zones for greater flexibility and disaster recovery options.

Importance of Elastic Block Store

Elastic Block Store, often abbreviated as EBS, is a crucial technology term as it refers to a highly available and durable block-level storage service provided by Amazon Web Services (AWS) for use with their Elastic Compute Cloud (EC2) instances.

EBS offers consistent, low-latency performance, making it ideal for workloads that require frequent and rapid access to data, such as databases, big data analytics, and backup and recovery solutions.

It supports various volume types, allowing businesses to optimize the storage capacity, performance, and cost as per their requirements.

Moreover, EBS ensures data reliability with its built-in snapshot and backup functionalities, as well as easy-to-use scaling options for growing storage needs.

In summary, Elastic Block Store is important in the technology sphere because it offers a reliable, flexible, and efficient block storage solution for cloud computing environments.


Elastic Block Store, or EBS, is a highly flexible and dynamic cloud-based storage service offered by Amazon Web Services (AWS). The primary purpose of EBS is to seamlessly provide storage capacity for use by AWS’s Elastic Compute Cloud (EC2) instances in a user-friendly and easy-to-manage manner. This robust storage service strives to cater to the diverse needs of businesses, applications, and developers by offering a range of storage volumes tailored to the requirements of varying workloads. EBS excels in preserving data and enables users to reliably store crucial information with minimal risk of loss or failure, thanks to its persistent, low-latency characteristics.

By readily scaling up or down, EBS facilitates the optimization of storage according to an application or user’s needs, resulting in cost-effective and efficient storage solutions. In practice, Elastic Block Store is leveraged by organizations for a variety of use cases that demand dependable and scalable storage solutions. One common use of EBS is for hosting databases and other transactional applications, which require high throughput and low-latency access to their data.

EBS provides the necessary performance and data protection these applications need to function smoothly and securely. By offering features such as automatic replication, EBS ensures that valuable data is not lost due to hardware failures. Additionally, EBS permits live migration of data between instances, simplifying maintenance, and resizing procedures for EC2 instances, all the while minimizing downtime and guaranteeing consistent performance for end-users.

Overall, by offering a diverse set of storage options and failure protection features, Elastic Block Store empowers its users to experience uninterrupted, top-notch performance tailored specifically for their workloads.

Examples of Elastic Block Store

Elastic Block Store (EBS) is a highly available and durable block-level storage service provided by Amazon Web Services (AWS) that is designed to work with Amazon Elastic Compute Cloud (Amazon EC2) instances. Here are three real-world examples of how Elastic Block Store is utilized in various industries.

Media and Entertainment Industry:In the media and entertainment industry, EBS is used for the storage and processing of large data sets related to multimedia content, such as video files, audio files, and image files. For instance, a video streaming service like Netflix might utilize EBS to store and manage the infrastructure needed to distribute its content to millions of subscribers. EBS provides scalable storage, allowing these companies to store massive content libraries and quickly deliver data to users, ensuring smooth streaming and a positive user experience.

Finance and Banking Industry:EBS plays a vital role in the financial and banking sectors where data security, integrity, and accessibility are critical. Banks and other financial institutions rely on EBS for storing transaction records, customer data, and other sensitive information. Since EBS is designed to provide reliable performance with data encryption, the information stored is secure and less prone to data loss. Additionally, EBS’s scalability helps financial institutions meet the increasing storage demands of their growing databases.

Healthcare Industry:The healthcare industry deals with massive volumes of sensitive patient data, such as electronic medical records, medical imagery, and research data. EBS provides secure and HIPAA-compliant storage solutions that ensure the confidentiality and integrity of patient information. Medical institutions can leverage EBS’s high performance and low-latency storage to support diverse workloads, such as real-time diagnostics, efficient collaboration among medical professionals, and comprehensive data backup and archiving solutions. This ultimately helps healthcare providers offer improved patient care and better experiences for their patients.

Elastic Block Store FAQs

What is Elastic Block Store (EBS)?

Elastic Block Store (EBS) is a persistent block storage service offered by Amazon Web Services (AWS) for use with Amazon EC2 instances. EBS provides high-performance block storage that can be attached to a running EC2 instance and used for storing data or running applications, databases, and file systems.

What are the different types of EBS volumes?

There are four types of EBS volumes available: (1) General Purpose SSD (gp2 and gp3), (2) Provisioned IOPS SSD (io1 and io2), (3) Throughput Optimized HDD (st1), and (4) Cold HDD (sc1). Each type is designed to cater to specific use cases and performance requirements, such as high IOPS, high throughput, or cost efficiency.

How do I create an EBS volume?

To create an EBS volume, you can use the AWS Management Console, AWS CLI, or one of the AWS SDKs. You will need to choose the size, type, and availability zone for the new volume, and optionally, configure additional settings like encryption or tags. Once created, the EBS volume can be attached to an EC2 instance in the same availability zone.

Can I increase the size of an EBS volume?

Yes, you can increase the size of an EBS volume without losing data or detaching it from your EC2 instance. You can complete this process using the AWS Management Console, AWS CLI, or AWS SDKs. After resizing, it’s necessary to extend the file system on the volume to make use of the additional capacity.

How do I ensure data durability and availability on EBS volumes?

EBS volumes are designed to provide high durability and availability. To further enhance this, you can create snapshots of your EBS volumes, which are stored in Amazon S3. Additionally, you can use multiple EBS volumes in a RAID configuration or create EBS Multi-Attach volumes to share data across multiple EC2 instances.

Related Technology Terms

  • Amazon Web Services (AWS)
  • Virtual disk storage
  • EC2 (Elastic Compute Cloud)
  • Storage volumes
  • Snapshot backups

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