The storage service for

• storage capacity is elastic
  • growing/shrinking as you add/remove files
• support for NFSv4
• only pay for the sorage
• data shared across multiple AZ’s within a region
• Read After Write Consistency
• Name: <name>.efs.<region>.amazonaws.com

Uses cases:

• fileserver
  • across multiple EC2 instances
• restrict access based on perms on files/folders