Amazon Elastic File System User Guide Service

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Amazon Elastic File System
Table of Contents
What Is Amazon Elastic File System?
- Are you a first-time user of Amazon EFS?
Amazon EFS: How It Works
- Overview
- How Amazon EFS Works with Amazon EC2
- How Amazon EFS Works with AWS Direct Connect
- Implementation Summary
- Authentication and Access Control
- Data Consistency in Amazon EFS
Setting Up
- Sign up for AWS
- Create an IAM User
Getting Started with Amazon Elastic File System
- Assumptions
- Related Topics
- Step 1: Create Your EC2 Resources and Launch Your EC2 Instance
- Step 2: Create Your Amazon EFS File System
- Step 3: Connect to Your Amazon EC2 Instance and Mount the Amazon EFS File System
- Step 4: Sync Files from Existing File Systems to Amazon EFS Using EFS File Sync
- Step 5: Clean Up Resources and Protect Your AWS Account
Creating Resources for Amazon EFS
- Creating an Amazon Elastic File System
- Creating Mount Targets
  - Creating a Mount Target Using the Amazon EFS console
  - Creating a Mount Target using the AWS CLI
- Creating Security Groups
  - Creating Security Groups Using the AWS Management Console
  - Creating Security Groups Using the AWS CLI
Using File Systems
- Related Topics
- Network File System (NFS)–Level Users, Groups, and Permissions
- Amazon EFS File Sync
  - Requirements for EFS File Sync
  - EFS File Sync Architecture
Managing Amazon EFS File Systems
- Managing File System Network Accessibility
- Managing File System Tags
  - Using the Console
  - Using the AWS CLI
- Metering – How Amazon EFS Reports File System and Object Sizes
  - Metering Amazon EFS File System Objects
  - Metering an Amazon EFS File System
- Managing Amazon EFS File Sync
- Deleting an Amazon EFS File System
- Managing Access to Encrypted File Systems
  - Performing Administrative Actions on Amazon EFS Customer Master Keys
    - Disabling, Deleting, or Revoking Access to the CMK for a File System
  - Related Topics
Mounting File Systems
- NFS Support
  - Troubleshooting AMI/Kernel Versions
- Installing the NFS Client
- Mounting on Amazon EC2 with a DNS Name
  - Mounting on On-Premises Servers with a DNS Name
- Mounting with an IP Address
- Mounting Automatically
  - Updating an Existing EC2 Instance to Mount Automatically
  - Configuring an EFS File System to Mount Automatically at EC2 Instance Launch
- Additional Mounting Considerations
  - Unmounting File Systems
Monitoring Amazon EFS
- Monitoring Tools
  - Automated Monitoring Tools
  - Manual Monitoring Tools
- Monitoring with Amazon CloudWatch
- Logging Amazon EFS API Calls with AWS CloudTrail
Amazon EFS Performance
- Performance Overview
- Amazon EFS Use Cases
- Performance Modes
- Throughput Scaling in Amazon EFS
  - Managing Burst Credits
- On-Premises Performance Considerations
  - Architecting for High Availability
- Amazon EFS Performance Tips
- Related Topics
Security
- AWS Identity and Access Management (IAM) Permissions for API Calls
- Security Groups for Amazon EC2 Instances and Mount Targets
  - Security Considerations for Mounting an Amazon EFS File System
- Read, Write, and Execute Permissions for EFS Files and Directories
- Encrypting Data and Metadata at Rest in EFS
Amazon EFS Limits
- Amazon EFS Limits That Can Be Increased
- Resource Limits
- Limits for Client EC2 Instances
- Limits for Amazon EFS File Systems
- Limits for EFS File Sync
- Unsupported NFSv4 Features
- Additional Considerations
Troubleshooting Amazon EFS
- Troubleshooting Amazon EFS: General Issues
- File Operation Errors
- Troubleshooting AMI and Kernel Issues
- Troubleshooting Encrypted File Systems
  - Encrypted File System Can't Be Created
  - Unusable Encrypted File System
Troubleshooting EFS File Sync
- Your On-Premises Source File System Is Stuck in Mounting Status
- Your Amazon EC2 Source File System Is Stuck in Mounting Status
- Your Sync Task Is Stuck in Starting Status
- Enabling AWS Support To Help Troubleshoot Your EFS File Sync Running On-Premise
- Enabling AWS Support To Help Troubleshoot Your EFS File Sync Running on Amazon EC2
Amazon Elastic File System Walkthroughs
- Walkthrough 1: Create Amazon EFS File System and Mount It on an EC2 Instance Using the AWS CLI
- Walkthrough 2: Set Up an Apache Web Server and Serve Amazon EFS Files
  - Single EC2 Instance Serving Files
  - Multiple EC2 Instances Serving Files
- Walkthrough 3: Create Writable Per-User Subdirectories and Configure Automatic Remounting on Reboot
  - Automatic Remounting on Reboot
- Walkthrough 4: Backup Solutions for Amazon EFS File Systems
  - Backing Up Amazon EFS File Systems by Using AWS Data Pipeline
- Walkthrough 5: Create and Mount a File System On-Premises with AWS Direct Connect
- Walkthrough 6: Enforcing Encryption on an Amazon EFS File System at Rest
  - Enforcing Encryption at Rest
- Walkthrough 7: Sync Files from an On-Premises File System to Amazon EFS by Using EFS File Sync
- Walkthrough 8: Sync a File System from Amazon EC2 to Amazon EFS Using EFS File Sync
Authentication and Access Control for Amazon EFS
- Authentication
- Access Control
- Overview of Managing Access Permissions to Your Amazon EFS Resources
- Using Identity-Based Policies (IAM Policies) for Amazon Elastic File System
- Amazon EFS API Permissions: Actions, Resources, and Conditions Reference
Amazon EFS API
- API Endpoint
- API Version
- Related Topics
- Actions
- Data Types
Document History

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