AWS Quick Tips: Extend an EBS Volume

By J. Toman / on 04 Mar, 2023

How to Extend an EBS Volume

Sometimes you just run out of space. Here’s a short list of tasks to increase the storage size of your EC2 instance and get your instance up and running again quickly.

  1. Log into the AWS Management Console and select the EC2 service.
  2. Click on the instance you want to extend the EBS volume for.
  3. Under the Storage tab, click on the Volume ID for the EBS volume you want to modify.
  4. Click on the “Actions” drop-down menu and select “Modify Volume”.
  5. Enter the new size of the volume in GiB.
  6. Click “Modify” to confirm the changes.
  7. Once the modification is complete, log into the instance via SSH and run the command “sudo resize2fs /dev/xvda1” to extend the file system to the new size.
  8. Verify that the new size is reflected by running the command df -h.

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