Table of Contents

• Title and Copyright Information
• Preface
  • Conventions
  • Documentation Accessibility
  • Access to Oracle Support for Accessibility
  • Diversity and Inclusion
• 1 About File System Management in Oracle Linux
  • Supported File Systems
  • Maximum File and File System Size Requirements
• 2 Performing Basic File System Administration
  • Building File Systems
  • Mounting File Systems
    • About the mount Command
    • Using Additional Options of the mount Command
    • Mounting a File That Contains a File System Image
    • About the File System Mount Table
  • Configuring the Automounter
    • About the Automounter Configuration File
    • Installing and Enabling the Automounter
  • Creating a File System on a File Within Another File System
  • About Access Control Lists
    • Enabling ACL Support
    • Setting and Displaying ACLs
  • About Disk Quotas
    • Enabling Disk Quotas on File Systems
    • Assigning Disk Quotas to Users and Groups
    • Setting Project Quotas
    • Setting a Grace Period for Soft Limits
    • Displaying Disk Quotas
    • Enabling and Disabling Disk Quotas
    • Reporting on Disk Quota Usage
    • Maintaining the Accuracy of Disk Quota Reporting
• 3 Managing the Btrfs File System
  • Setting Up and Administering a Btrfs File System
    • Creating a Btrfs File System
    • Modifying a Btrfs File System
    • Compressing and Defragmenting a Btrfs File System
    • Resizing a Btrfs File System
  • Creating Subvolumes and Snapshots
  • Creating Swap Files on a Btrfs File System
  • Creating Backups and Using the Btrfs Send/Receive Feature
    • Creating a Reference Backup in Preparation for Creating an Incremental Backup
    • Creating an Incremental Backup
  • Managing Quotas for Btrfs Subvolumes With Quota Groups
  • Replacing Devices on a Live File System
  • Creating Snapshots of Files
  • Automating File System Snapshots With the Snapper Utility
    • Creating a Snapper Configuration for a Subvolume
    • Creating Different Types of Snapshots
    • Automatic Snapper Snapshots
    • Working With Btrfs Snapshots by Using Snapper
  • Working With a Btrfs root File System
    • Creating Snapshots of the root File System
    • Mounting Alternate Snapshots as the root File System
    • Deleting Snapshots of the root File System
• 4 Managing the Ext File System
  • Converting an Ext File System to a Btrfs File System
  • Converting a Non-Root File Ext File System to a Btrfs File System
  • Converting a Non-Root Ext File System to a Higher Version
  • Converting a Root Ext File System to a Higher Version
  • Checking and Repairing an Ext File System
  • Changing the Frequency of File System Checking for Ext File Systems
• 5 Managing the XFS File System
  • Installing XFS Packages
  • Creating an XFS File System
  • Modifying an XFS File System
  • Growing an XFS File System
  • Creating an XFS File System With the Reflink Feature
  • Freezing and Unfreezing an XFS File System
  • Managing Quotas on an XFS File System
  • Backing Up and Restoring an XFS File System
  • Checking and Repairing an XFS File System
  • Defragmenting an XFS File System