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Resizing an Amazon EC2 Instance

Posted on:August 17, 2023 at 10:00 AM

Resizing your EBS-backed instances has been really simplified by Amazon in the last couple of years.

Compatibility checks:

Prior to initiating instance resizing, three compatibility checks need to be satisfied:


  1. Open the EC2 console
  2. Select the instance and stop it
  3. Selected the instance, choose Actions > Instance Settings > Change Instance Type - top right corner
  4. Choose which instance you would like to resize to - note that the list will only show compatible instance types.
  5. Once applied, start the stopped instance - DON’T forget to start the instance. I had 3 mins downtime because I forgot …