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AWS Elastic Block Store (EBS) Exercise to help you understand how to create, attach, use, and manage EBS volumes in AWS.

Exercise Objective: Work with EBS Volumes

You will:

  1. Create an EBS volume.
  2. Attach it to an EC2 instance.
  3. Format and mount the volume.
  4. Perform basic file operations.
  5. Detach and delete the EBS volume.

Prerequisites

  • An AWS account.
  • An existing EC2 instance in the same Availability Zone (AZ) as the EBS volume.
  • Basic knowledge of Linux commands.

Step-by-Step Exercise

Step 1: Create an EBS Volume

  1. Login: Sign in to the AWS Management Console.
  2. Navigate: Go to the EC2 Dashboard.
  3. Create Volume:
    • Click Volumes in the left-hand menu under "Elastic Block Store."
    • Click Create Volume and configure:
      • Size: 10 GiB
      • Volume Type: General Purpose SSD (gp3 or gp2)
      • Availability Zone: Same as your EC2 instance.
    • Click Create Volume.

Step 2: Attach the Volume to an EC2 Instance

  1. Select the Volume:
    • Find the newly created volume in the Volumes list.
    • Select it and click Actions > Attach Volume.
  2. Attach:
    • Choose your EC2 instance from the list.
    • Note the device name (e.g., /dev/xvdf).
    • Click Attach Volume.

Step 3: Format and Mount the Volume

  1. Connect to the EC2 Instance:
    • SSH into your EC2 instance using your key pair: 
      ssh -i <your-key-pair.pem> ec2-user@<instance-public-ip>
  2. Verify the Volume:
    • Run the following command to confirm the volume is attached: 
      lsblk
      You should see the attached volume (e.g., /dev/xvdf).
  3. Format the Volume:
    • Use the mkfs command to format the volume with an ext4 file system: 
      sudo mkfs.ext4 /dev/xvdf
  4. Create a Mount Point:
    • Create a directory to mount the volume: 
      sudo mkdir /mnt/ebs-volume
  5. Mount the Volume:
    • Mount the volume to the directory: 
      sudo mount /dev/xvdf /mnt/ebs-volume
  6. Verify the Mount:
    • Run df -h to confirm the volume is mounted.

Step 4: Perform File Operations

  1. Create a File:
    • Navigate to the mount point: 
      cd /mnt/ebs-volume
    • Create a file: 
      echo "Hello, EBS!" | sudo tee test-file.txt
  2. List Files:
    • Verify the file exists: 
      ls -l

Step 5: Unmount, Detach, and Delete the Volume

  1. Unmount the Volume:
    • Unmount the volume from the instance: 
      sudo umount /mnt/ebs-volume
  2. Detach the Volume:
    • Go to the AWS Management Console.
    • Select the volume, click Actions > Detach Volume, and confirm.
  3. Delete the Volume:
    • Once detached, select the volume and click Actions > Delete Volume.