How to Mount the Amazon EFS File System on the EC2?

How to Mount the Amazon EFS File System on the EC2?

April 21, 2020 / Nirav S

  • Mount the Amazon EFS File System on the EC2
    • Public DNS name of your EC2 instance in the following format:
      • Ec2-xx-xxx-xxx-xx.aws-region.compute.amazonaws.com
    • DNS name of your file system. You can construct this DNS name using the following generic form:
      • File-system-id.efs.aws-region.amazonaws.com
  • Install the NFS Client on Your EC2 Instance
    • Execute the following commands on the EC2 instance by using the SSH session:
    • $ sudo yum -y update
      $ sudo reboot 
    • Install the NFS client.
    • sudo yum -y install nfs-utils
  • Install the NFS Client on Your EC2 Instance
    • Execute the following commands on the EC2 instance by using the SSH session:
    • $ sudo yum -y update
      $ sudo reboot 
    • Install the NFS client.
    • sudo yum -y install nfs-utils
  • Mount File System on Your EC2 Instance
    • Make a directory (“efs-mount-point”).
    • mkdir ~/efs-mount-point
    • Mount the Amazon EFS file system.
    • sudo mount -t nfs -o nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2,noresvport mount-target-DNS:/   ~/efs-mount-point
    • The EC2 instance can resolve the mount target DNS name to the IP address. You can optionally specify the IP address of the mount target directly.
    • sudo mount -t nfs -o nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2,noresvport mount-target-ip:/  ~/efs-mount-point
    • To check that the mount is done or not
    • cd /efs-mount-point
    • Create a new file
    • sudo mkdir new-file-name
  • How to create a bootstrap script to attach the EFS on launch to an EC2 instance?
    • When we want to implement something without even logging in into an EC2 Instance, then bootstrap scripts can be used in order to achieve that
    • In our case we want to make sure that when we logging to our server our EFS is already connected to the server
    • Also we can attach this bootstrap to launch configuration in an autoscaling which will to maintain the latest updated files in the server
    • Bootstrap Script
    • #/bin/bash
      sudo yum -y update
      sudo yum -y install nfs-utils
      sudo mkdir ~/efs-mount-point
      sudo mount -t nfs -o nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2,noresvport mount-target-DNS:/   ~/efs-mount-point
    • Explanation Bootstrap Script
    • #/bin/bash
      • This will make sure that commands are running to the write path
      sudo yum -y update 
      • This will update the server and will have latest dependencies
      sudo yum -y install nfs-utils
      • This will install the NFS client inside the server which will help to connect the EFS file
      sudo mkdir ~/efs-mount-point
      • This will make a directory inside the server to which the EFS will be mounted
      sudo mount -t nfs -o nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2,noresvport mount-target-DNS:/   ~/efs-mount-point
      • This is the detail information of the EFS file and path to connect

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