Table of Contents
A step-by-step guide on how to mount Elastic File System (EFS) on AWS EC2 instances.
Architecture Diagram
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Step 1. Launch Two EC2 Instances
a. Launch an EC2 instance with the following configuration.
Name: MyEC2-1
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b. Launch another EC2 instance with the same keypair and security group and name MyEC2-2
c. Wait until the initialization status changes to Running
Step 2. Create an Elastic File System
a. Goto EFS and click Create File System button. On the Pop-Up, click Customize button
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b. Uncheck the option Enable automated backups
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c. Network Access Section, remove the Default security group and efs_security_group and click on Next button
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d. Leave File System Policy as is, click on the Next button.
e. Review the configuration and click on Create button.
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Step 3. Mount the EFS File System to EC2 instances
a. Navigate to EC2 dashboard
b. Select MyEC2-1 and click Connect button
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c. Run the following commands to update the packages and install amazon-efs-util
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sudo -s yum -y update yum install -y amazon-efs-utils mkdir efs mkdir aws |
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d. Navigate to EFS Dashboard and click on the file system – MyEFS
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d. Click on Attach button and copy the command “Using the EFS mount helper”
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sudo mount -t efs -o tls fs-<your_file_system_id>:/ efs |
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e. Paste the above-copied command into the MyEC2-1 terminal
f. Use the following command to display information for all currently mounted file systems.
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df -h |
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g. Repeat step a to h to mount the file system to MyEC2-2 instance.
Step 4. Testing the file system
a. Create a file hello.txt under the efs directory on MyEC2-2 instance
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sudo -s cd efs touch hello.txt ls -ltr |
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b. Go to MyEC2-1, and navigate to the efs directory; you should be able to see the file hello.txt
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