efs-mount-from-different-vpc-01.md

AWS EFS - Mount EFS from a Different VPC (same Region)

The purpose of this excercise is to demonstrate how to mount EFS File System to an EC2 Instance, from a different VPC.

Requirements

• Create 2 different VPC
  • don't have overlapping CIDR Ranges
  • have matching AZs (the EFS Mount Point and EC2 needs to be in the same AZ)
• Create the EFS in VPC 1
• Create the EC2 in VPC 2
• Mount the EFS to EC2
• Clean Up! Don't Forget to Delete Your Resources!

Desired Architecture

Tips and Tricks

Installing EFS-Helper on Amazon Linux 2

sudo yum install -y amazon-efs-utils

Adding a Host Entry for the Mount Target

echo "<mount target ip> <efs id>.efs.<region>.amazonaws.com" | sudo tee -a /etc/hosts

Mounting with EFS-Helper

sudo mount -t efs -o tls <file system id> /mnt/data/

Resources

1. VPC Peering Connection
2. EFS Utils/GitHub
3. Walkthrough: Mount a File System from Different VPC