Review: High Availability and Resilience of Our EFS Storage

Let's take a look at the EFS storage infrastructure to understand its achievable RPOs and RTOs. In contrast to EC2, EFS is a managed service provided by AWS. We therefore have less control over it, but we can rely on AWS to keep EFS running.

Let’s quickly review our EFS architecture to think of disaster scenarios in the next step.

EFS architecture

The diagram below describes our deployment, with the parts related to EFS highlighted.

Our WordPress instances access the EFS storage through access points, with one access point in each ...