From the course: AWS: High Availability

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Understanding EBS snapshots

Understanding EBS snapshots - Amazon Web Services (AWS) Tutorial

From the course: AWS: High Availability

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Understanding EBS snapshots

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- [Narrator] Elastic Block Store snapshots are a fundamental component of operating in AWS. Snapshots are one of the basic building blocks to understand when designing high availability solutions. simply put, an EBS snapshot, is a file which contains a copy of all data stored on a disc image. As many EC2 instances are EBS backed, this is important to internalize. Let's take a quick look at how you might use a snapshot. First, you fire up an EC2 to server, and configure it to your needs. This can include tasks like software installation, and operating system hardening. When you are satisfied with its state, you can take an EBS snapshot of the underlying volume. Since a snapshot contains all of the data on the disc image, all of your server configurations will exist on the snapshot. Snapshots are stored in S3, making them quite durable. From the snapshot, you can create an Amazon Machine Image. Once you have an AMI, you can…

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