Understanding EFS
An Amazon EBS volume can be created and attached to an EC2 instance, but usually, it is not meant for many instances to share. Amazon EFS provides simple, scalable, elastic file system storage that can be shared among many EC2 instances on the AWS Cloud and servers on-premises. With only a couple of clicks, we can create and share Amazon EFS to EC2 instances easily. Here are the detailed steps:
- Create an Amazon EFS filesystem
Log into the AWS console, go to the EFS service, and create a filesystem, as shown in Figure 2.8:
Figure 2.8 – Create the Amazon EFS filesystem (1)
I. Click "Create file system":
In the pop-up window, provide a name for the EFS filesystem and choose a storage class: a One Zone
EFS filesystem stores data at the AZ level, and a standard
filesystem stores data redundantly across multiple AZs in the same region. Note that there is no need to specify the size of the EFS filesystem since...