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Amazon EFS

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Amazon Elastic File System (Amazon EFS) is a file storage service for Amazon Elastic Compute Cloud (Amazon EC2) instances. Amazon EFS is easy to use and provides a simple interface that allows you to create and configure file systems quickly and easily. With Amazon EFS, storage capacity is elastic, growing and shrinking automatically as you add and remove files, so your applications have the storage they need, when they need it.

Amazon Elastic File System (Amazon EFS) is a file storage service for Amazon Elastic Compute Cloud (Amazon EC2) instances. Amazon EFS is easy to use and provides a simple interface that allows you to create and configure file systems quickly and easily. With Amazon EFS, storage capacity is elastic, growing and shrinking automatically as you add and remove files, so your applications have the storage they need, when they need it.

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Amazon EFS

  1. 1. ©2015,  Amazon  Web  Services,  Inc.  or  its  affiliates.  All  rights  reserved Introducing Amazon Elastic File System (EFS) Danilo Poccia, Technical Evangelist, AWS – @danilop
  2. 2. Goals and expectations for this session •  Overall goal: Introduce you to Amazon Elastic File System (Amazon EFS) •  Session intended for all levels: We’ll cover both beginner topics and more advanced concepts
  3. 3. Agenda 1.  Provide overview of EFS 2.  Introduce EFS technical concepts 3.  See how to create and use a file system 4.  Discuss file system security mechanisms 5.  Explore the EFS regional availability and durability model
  4. 4. Overview of Amazon EFS
  5. 5. 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
  6. 6. What is Amazon EFS? •  Fully managed file system for EC2 instances •  Provides standard file system semantics •  Works with standard operating system APIs •  Sharable across thousands of instances •  Elastically grows to petabyte scale •  SSD-based •  Delivers performance for a wide variety of workloads •  Highly available and durable •  NFS v4-based
  7. 7. EFS is designed for a broad range of use cases, such as… •  Content repositories •  Development environments •  Home directories •  Big data
  8. 8. Operating shared file storage today is a pain Application owner or developer IT administrator Business owner •  Estimate demand •  Procure hardware •  Set aside physical space •  Set up and maintain hardware (and network) •  Manage access and security •  Provide demand forecasts/business case •  Add lead times and extra coordination to your schedule •  Limit your flexibility and agility •  Make up-front capital investments, over-buy, stay on a constant upgrade/refresh cycle •  Sacrifice business agility •  Distract your people from your business’s mission
  9. 9. We focused on changing the game EFS is simple EFS is elastic EFS is scalable 1 2 3
  10. 10. 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
  11. 11. 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
  12. 12. •  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 EFS is scalable3
  13. 13. Why does this matter?... … to app owners and developers? … to your business? •  Easy to move existing code, applications, and tools used today with existing NFS servers to the AWS cloud •  Simple shared file storage solution for new cloud-native applications •  Predictable pricing with no up-front investment •  Increased agility •  Spend less time managing file storage and more time focusing on your business … to IT administrators? •  Eliminates need to manage and maintain file system storage at scale
  14. 14. Diving In
  15. 15. Some key AWS concepts to understand •  Region •  Availability Zone (AZ) •  Amazon Virtual Private Cloud (VPC)
  16. 16. Region •  Geographic area where AWS services are available •  Customers choose region(s) for their AWS resources •  Eleven regions worldwide REGION
  17. 17. Availability Zone (AZ) •  Each region has multiple, isolated locations known as Availability Zones •  Low-latency links between AZs in a region •  When launching an EC2 instance, a customer chooses an AZ AVAILABILITY ZONE 3 EC2 AVAILABILITY ZONE 2 AVAILABILITY ZONE 1 EC2 EC2 EC2 REGION
  18. 18. Virtual Private Cloud (VPC) •  Logically isolated section of the AWS cloud, virtual network defined by the customer •  When launching instances and other resources, customers place them in a VPC •  All new customers have a default VPC AVAILABILITY ZONE 1 REGION AVAILABILITY ZONE 2 AVAILABILITY ZONE 3 VPC EC2 EC2 EC2 EC2
  19. 19. What is a file system? •  The primary resource in EFS •  Where you store files and directories •  Can create unlimited file systems per account
  20. 20. How to access a file system from an instance •  You “mount” a file system on an EC2 instance (standard command) — the file system will appear 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]
  21. 21. 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 NFSv4 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
  22. 22. 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
  23. 23. 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)
  24. 24. The AWS Management Console, CLI, and SDK each allow you to perform a variety of management tasks •  Create a file system •  Create and manage mount targets •  Tag a file system •  Delete a file system •  View details on file systems in your AWS account
  25. 25. Setting up and mounting a file system takes under a minute 1.  Create a file system 2.  Create a mount target in each AZ from which you want to access the file system 3.  Enable the NFS client on your instances 4.  Run the mount command
  26. 26. Setting up a file system
  27. 27. Securing Your File System
  28. 28. Several security mechanisms •  Control network traffic to and from file systems (mount targets) by using VPC security groups and network ACLs •  Control file and directory access by using standard OS directory-/file-level permissions •  Control administrative access (API access) to file systems by using AWS Identity and Access Management (IAM)
  29. 29. Only EC2 instances in the VPC you specify can access your EFS file system Customer’s file system VPC EC2 EC2 EC2 EC2 VPC EC2 EC2 EC2 EC2
  30. 30. 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
  31. 31. EFS supports user-level file and directory access permissions •  Set file/directory permissions to specify read-write- execute permissions for users and groups
  32. 32. Integration with IAM provides administrative security •  Use IAM policies to control who can use the administrative APIs to create, manage, and delete file systems •  EFS supports action-level and resource-level permissions
  33. 33. Regional Availability and Durability
  34. 34. In what regions can I use EFS? •  US-West (Oregon) •  US-East (Northern Virginia) •  EU (Ireland)
  35. 35. 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
  36. 36. Data can be accessed from any AZ in the region while maintaining full consistency •  Your EC2 instances can connect to your 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
  37. 37. Wrapping Up
  38. 38. Simple and predictable pricing •  With 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 •  EFS price: $0.30/GB-month
  39. 39. What to do next? •  Learn more at aws.amazon.com/efs •  Request an invite for our Preview •  Stop by our booth if you have questions
  40. 40. LONDON @danilop

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