Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβperfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
Youβve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take mock test.
Interactive Audio Lesson
Listen to a student-teacher conversation explaining the topic in a relatable way.
Understanding EBS
Unlock Audio Lesson
Signup and Enroll to the course for listening the Audio Lesson
Today we're diving into Amazon Elastic Block Store, or EBS. Can anyone explain what EBS is and why it's important for EC2 instances?
Is it like storage that you can attach to your EC2 instances?
Exactly! EBS provides persistent block storage that's crucial for keeping your data safe, even when instances stop or terminate. It's like a virtual hard drive for your instances. Remember the acronym ESS - Elastic Storage Solution!
So data stays even if the instance is stopped?
Yes, great point! This makes EBS essential for applications where data persistence is critical.
Creating EBS Volumes
Unlock Audio Lesson
Signup and Enroll to the course for listening the Audio Lesson
Now, letβs talk about how to create an EBS volume. Do you know what steps to take in the AWS Console to create one?
You start in the EC2 section, right?
Correct! After going to EC2, you navigate to the Elastic Block Store section and click 'Volumes'. Then, would you see an option to create a volume?
Yes, there's a 'Create Volume' button!
Exactly! And remember to choose the appropriate type, size, and availability zone that matches your EC2 instance. This ensures performance and connectivity.
Attaching and Using EBS Volumes
Unlock Audio Lesson
Signup and Enroll to the course for listening the Audio Lesson
Once you've created an EBS volume, how do you attach it to an EC2 instance?
You select the volume and then click 'Attach'?
That's right! After attaching it, what do you need to do within the instance?
Format and mount the volume to use it?
Exactly! This step is crucial for ensuring your operating system recognizes and can write to the new volume.
Using Snapshots
Unlock Audio Lesson
Signup and Enroll to the course for listening the Audio Lesson
Let's move on to snapshots. Who can tell me what a snapshot is in the context of EBS?
Is it a backup of the EBS volume?
Correct! Snapshots are point-in-time backups stored in S3. They only save changes since the last snapshot, making them space-efficient. Can anyone tell me why this would be beneficial?
It saves storage costs because you're not duplicating data.
Great observation! Always evaluate your backup strategies using snapshots, especially for disaster recovery.
Introduction & Overview
Read a summary of the section's main ideas. Choose from Basic, Medium, or Detailed.
Quick Overview
Standard
In this section, students learn about Amazon Elastic Block Store (EBS), its various volume types, and the processes involved in creating and attaching volumes to EC2 instances. It also covers the significance of snapshots for backup and recovery.
Detailed
Creating and Attaching EBS Volumes
Amazon Elastic Block Store (EBS) is a service that provides persistent block storage for Amazon EC2 instances, allowing data to persist independently of the instance lifecycle. Understanding how to create and manage EBS volumes is crucial for maintaining data integrity and availability in cloud environments.
Types of EBS Volumes
EBS offers several types of volumes:
- General Purpose SSD (gp3/gp2): Balanced price and performance.
- Provisioned IOPS SSD (io1/io2): High performance for critical applications.
- Throughput Optimized HDD (st1): Cost-effective for big data workloads.
- Cold HDD (sc1): Cheapest option for infrequent access.
Creating EBS Volumes
EBS volumes can be created through the AWS Management Console by navigating to the EC2 service and following the steps to create a new volume, including selecting the appropriate size and availability zone that matches the EC2 instance.
Attaching EBS Volumes
Once created, an EBS volume can be attached to a running EC2 instance, where it can then be formatted and mounted for use.
Snapshots
Snapshots serve as point-in-time backups of EBS volumes, stored in Amazon S3. They are incremental, saving only the changes made since the last snapshot, thus optimizing storage space. Users can also create snapshots from existing volumes and copy them across regions for disaster recovery purposes.
Understanding these concepts equips students with the skills necessary to efficiently utilize EBS within AWS environments.
Audio Book
Dive deep into the subject with an immersive audiobook experience.
What is Amazon EBS?
Unlock Audio Book
Signup and Enroll to the course for listening the Audio Book
Elastic Block Store (EBS) provides persistent block storage volumes for EC2 instances.
Similar to virtual hard drives that you attach to your EC2 instances.
Data persists independently of the instance lifecycle.
Detailed Explanation
Amazon EBS, or Elastic Block Store, is a storage solution specifically designed for Amazon's EC2 instances. Think of it as a hard drive that you can attach to a virtual computer. This storage is persistent, meaning the data remains intact even if you stop or terminate your EC2 instance. This is crucial for applications that require consistent data access and durability.
Examples & Analogies
Imagine you have a mobile device that has internal storage for your apps and photos. Now, if you were to remove that storage and connect it to another device, your files would still be accessible. EBS works similarly, allowing you to detach and reattach storage volumes without losing your data.
Types of EBS Volumes
Unlock Audio Book
Signup and Enroll to the course for listening the Audio Book
| Volume Type | Description | Use Case |
|---|---|---|
| General Purpose SSD (gp3/gp2) | Balanced price and performance | Boot volumes, transactional workloads |
| Provisioned IOPS SSD (io1/io2) | High performance and throughput | Databases, critical business apps |
| Throughput Optimized HDD (st1) | Low cost, high throughput | Big data, log processing |
| Cold HDD (sc1) | Lowest cost, infrequent access | Archives, backups |
Detailed Explanation
Amazon offers several types of EBS volumes, each optimized for different use cases. General Purpose SSD volumes balance cost and performance, making them ideal for booting servers and running applications that access data frequently. On the other hand, Provisioned IOPS volumes provide high input/output operations per second, perfect for databases. For applications that access data less frequently, there are low-cost HDD options that provide sufficient performance at a lower price point.
Examples & Analogies
Choosing an EBS volume type is like selecting a vehicle based on your needs. If you need to commute quickly around the city, you might choose a fast and compact car (General Purpose SSD). If you need to transport heavy goods, a truck (Provisioned IOPS SSD) would be your best bet, while for occasional long-distance travel where speed isn't critical, a cheaper sedan (Cold HDD) could suffice.
Creating EBS Volumes
Unlock Audio Book
Signup and Enroll to the course for listening the Audio Book
Create EBS volumes via AWS Console β EC2 β Elastic Block Store β Volumes β Create Volume.
Select type, size, and availability zone (must match your EC2 instanceβs AZ).
Attach the volume to a running EC2 instance.
On the instance, format and mount the volume to use it.
Detailed Explanation
To create an EBS volume, you start by navigating through the AWS Management Console. You go to the EC2 section and find the Elastic Block Store option where you can create a new volume. Here, you'll select the type of volume you need, specify its size, and choose the availability zoneβthis must match the zone where your EC2 instance is running. Once the volume is created, you can attach it to your instance. After that, youβll need to format and mount the volume so that the operating system can utilize it.
Examples & Analogies
Think of creating an EBS volume like adding a new drawer to your desk. You first select the right type of drawer based on what you want to store (type), decide how big it should be (size), and make sure it fits in the same area of your desk (availability zone). Once it's added, you need to organize it (format and mount) so you can easily access what you put inside.
Snapshots of EBS Volumes
Unlock Audio Book
Signup and Enroll to the course for listening the Audio Book
Snapshots are point-in-time backups of EBS volumes stored in S3.
Useful for backup, recovery, or creating new volumes.
Incremental by natureβonly changes since last snapshot are saved, saving space.
Creating a snapshot:
Go to EC2 β Volumes β Select volume β Create snapshot.
Snapshots can be copied across regions for disaster recovery.
Detailed Explanation
Snapshots are essentially backups of your EBS volumes that are stored in Amazon S3, providing an easy way to recover your data. They capture the state of a volume at a specific point in time and are storage-efficient since they only record changes made since the last snapshot was taken. Creating a snapshot involves selecting your EBS volume and choosing the option to create a snapshot. This feature also allows you to copy your snapshots across different AWS regions, which is beneficial for creating disaster recovery plans.
Examples & Analogies
Imagine taking a photograph of your workspace at the end of each day. This snapshot helps you remember exactly how it looked at that moment. If something gets moved or lost, you can refer back to the photo to restore it. Similarly, EBS snapshots let you take a 'picture' of your data at any point, so you can return to that exact state if needed.
Definitions & Key Concepts
Learn essential terms and foundational ideas that form the basis of the topic.
Key Concepts
-
Persistent Block Storage: EBS allows data to persist even after instance termination.
-
Volume Creation: Volume types and steps to create them are vital for data management.
-
Snapshots: Important for backups and recovery strategies within AWS.
Examples & Real-Life Applications
See how the concepts apply in real-world scenarios to understand their practical implications.
Examples
-
A web application hosted on an EC2 instance can use EBS for storing user data persistently.
-
Using a snapshot of a production EBS volume to create a new volume for a testing environment.
Memory Aids
Use mnemonics, acronyms, or visual cues to help remember key information more easily.
π΅ Rhymes Time
-
EBS is a box for your data, it keeps it safe, that's the data beta!
π Fascinating Stories
-
Imagine a student saving notes in a special binder they can take anywhere. Similarly, EBS stores your data no matter where your EC2 instance goes!
π§ Other Memory Gems
-
Remember to create 'EASY' volumes - EBS, Attached, Size, Yearly budget in mind!
π― Super Acronyms
Think of EBS as 'Every Bit Saved' - because that's what snapshots do for your data!
Flash Cards
Review key concepts with flashcards.
Glossary of Terms
Review the Definitions for terms.
-
Term: Amazon EBS
Definition:
A service that provides persistent block storage for Amazon EC2 instances.
-
Term: EBS Volume Types
Definition:
Categories of EBS volumes, including General Purpose, Provisioned IOPS, and HDD types, defined by performance and use cases.
-
Term: Snapshots
Definition:
Point-in-time backups of EBS volumes that save only the incremental changes.