AWS Disaster Recovery: How to Create an EC2 Instance from a Backup Tutorial
How to create an Amazon EC2 instance from an EBS backup?
In this Disaster Recovery series video we will walk how to create an Amazon EC2 instance from a backup. The backup we will use is the a Amazon EBS snapshot. We have this snapshot available to us as a result of the automated backups from our AWS Lifecycle Policy we created in a previous tutorial linked below.
You will need a snapshot to follow along with this tutorial, so if you haven’t seen that video yet, you will want to watch it first, then come back.
In this video we are pretending that our EBS volume attached to our current AWS EC2 has become unresponsive and unrecoverable. This exact situation has happened to me more than once. When this situation occurs, your app which is stored on that volume is no longer available so your application is down.
We will walk though the step by step process to take an EBS snapshot and create an Amazon Machine Image, or AMI. We can use that AMI to create a new EC2 instance. After we have created our instance, it's simply a matter of updating Route 53 to point to our instance. You will also want to update your deployment and SSH config settings.
⏰Timestamps
0:00 Introduction
2:08 Getting Started
2:30 Create an AMI
3:35 Create an EC2
5:32 Update Route 53
7:02 Surprise from my coworker
7:37 Delete old EC2
8:36 Update SSH config
9:20 Update deployment
9:37 Closing notes
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