EFS hands onΒΆ
In order to work with EFS we can navigate to it in the search bar.
Then we are going to click on the Create a file system, to see all the options we are going to use the Customize button.
On the first step we can set the name as well as various settings like regions, lifecycles and performance.
The next step is where we can configure mounting it accross multiple availability zones.
Before we make any changes we are going to create an empty security grop called my-efs-demo.
Then we are going to remove all the default security groups and change them to the newly created one.
The next step is file system policy which is optional. We are going to skip it.
Once that is created, we are going to create 2 EC2 instances that are going to access the EFS volume.
The first one will be located in eu-west-1b.
The secon one will be placed in eu-west-1a.
Both of them will reuse the same security grop ec2-to-efs.
Now we can open up the EFS and click on attach. This will give us instructions on how to mount the file system.
In order to use the efs mount helper we need to install it on our ec2 instance:
sudo yum install -y amazon-efs-utils
Then we can set it up
mkdir efs
sudo mount -t efs -o tls fs-de1b88ea:/ efs
We might receive a timeout when trying to mount it. To fix that, we are going to edit the my-efs-demo security group and add an inboud NFS rule with a source of ec2-to-efs security group.
Now it should be working:
