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Amazon Elastic File System (Amazon EFS)

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From my session at AWS Summit Barcelona on November 5th, 2015

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Amazon Elastic File System (Amazon EFS)

  1. 1. ©2015,  Amazon  Web  Services,  Inc.  or  its  affiliates.  All  rights  reserved Amazon Elastic File System (Amazon EFS) Danilo Poccia, AWS Technical Evangelist @danilop
  2. 2. The AWS storage portfolio Amazon S3 •  Object storage: Data presented as buckets of objects •  Data access via APIs over the Internet Amazon EFS •  File storage (analogous to NAS): Data presented as a file system •  Shared low-latency access from multiple EC2 instances Amazon Elastic Block Store •  Block storage (analogous to SAN): Data presented as disk volumes •  Lowest-latency access from single Amazon EC2 instances Amazon Glacier •  Archival storage: Data presented as vaults/archives of objects •  Lowest-cost storage, infrequent access via APIs over the Internet
  3. 3. We focused on changing the game Amazon EFS is simple Amazon EFS is elastic Amazon EFS is scalable 1 2 3
  4. 4. Amazon EFS is simple •  Fully managed –  No hardware, network, file layer –  Create a scalable file system in seconds! •  Seamless integration with existing tools and apps –  NFS v4—widespread, open –  Standard file system semantics –  Works with standard OS file system APIs •  Simple pricing = simple forecasting 1
  5. 5. Amazon EFS is elastic •  File systems grow and shrink automatically as you add and remove files •  No need to provision storage capacity or performance •  You pay only for the storage space you use, with no minimum fee 2
  6. 6. •  File systems can grow to petabyte scale •  Throughput and IOPS scale automatically as file systems grow •  Consistent low latencies regardless of file system size •  Support for thousands of concurrent NFS connections Amazon EFS is scalable3
  7. 7. <demo> . . . </demo>
  8. 8. Diving In
  9. 9. What is a file system? •  The primary resource in Amazon EFS •  Where you store files and directories
  10. 10. How to access a file system from an instance •  You “mount” a file system on an EC2 instance (standard command); the file system appears like a local set of directories and files •  An NFS v4 client is standard on Linux distributions mount –t nfs4 [file system DNS name]:/ /[user’s target directory]
  11. 11. What is a mount target? •  To access your file system from instances in a VPC, you create mount targets in the VPC •  A mount target is an NFS v4 endpoint in your VPC •  A mount target has an IP address and a DNS name you use in your mount command AVAILABILITY ZONE 1 REGION AVAILABILITY ZONE 2 AVAILABILITY ZONE 3 VPC EC2 EC2 EC2 EC2 Mount target
  12. 12. How does it all fit together? AVAILABILITY ZONE 1 REGION AVAILABILITY ZONE 2 AVAILABILITY ZONE 3 VPC EC2 EC2 EC2 EC2 Customer’s file system
  13. 13. There are three ways to set up and manage a file system •  AWS Management Console •  AWS Command Line Interface (CLI) •  AWS Software Development Kit (SDK)
  14. 14. Securing Your File System
  15. 15. Only EC2 instances in the VPC you specify can access your Amazon EFS file system Customer’s file system VPC EC2 EC2 EC2 EC2 VPC EC2 EC2 EC2 EC2
  16. 16. VPC EC2 EC2 Security groups control which instances in your VPC can connect to your mount targets Customer’s file system Security group: sg-allowed Security group: Permit inbound traffic from “sg-allowed” Security group: sg-not-allowed
  17. 17. Amazon EFS supports user-level file and directory access permissions •  Set file/directory permissions to specify read-write- execute permissions for users and groups
  18. 18. Integration with IAM provides administrative security •  Use IAM policies to control who can use the administrative APIs to create, manage, and delete file systems •  Amazon EFS supports action-level and resource-level permissions
  19. 19. Data is stored in multiple AZs for high availability and durability •  Every file system object (directory, file, and link) is redundantly stored across multiple AZs in a region AVAILABILITY ZONE 1 REGION AVAILABILITY ZONE 2 AVAILABILITY ZONE 3 Amazon EFS
  20. 20. Data can be accessed from any AZ in the region while maintaining full consistency •  Your EC2 instances can connect to your Amazon EFS file system from any AZ in a region •  All reads and writes will be fully consistent in all AZs; that is, a read in one AZ is guaranteed to have the latest data, even if the data is being written in another AZ AVAILABILITY ZONE 1 REGION VPC EC2 EC2 EC2 AVAILABILITY ZONE 2 AVAILABILITY ZONE 3 EC2 Write Read
  21. 21. <demo> . . . </demo>
  22. 22. Shared Website
  23. 23. Web Server Web ServerWeb Server Load Balancer File System
  24. 24. Wrapping Up
  25. 25. Simple and predictable pricing •  With Amazon EFS, you pay only for the storage space you use –  No minimum commitments or up-front fees –  No need to provision storage in advance –  No other fees, charges, or billing dimensions •  Amazon EFS price: $0.30/GB-month
  26. 26. What to do next? •  Learn more at aws.amazon.com/efs •  Request an invite for our preview
  27. 27. BARCELONA Danilo Poccia, AWS Technical Evangelist @danilop

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