Product Introduction

CFS

  • Updates and Announcements
    • Function Release Records
    • Product Announcement
      • Announcement on CFS Metric Adjustments
  • Product Description
    • Product Introduction
    • Basic concepts
    • Product features
    • Product specifications
    • Usage Limits and Recommendations
    • Selection Guide
      • How to Choose Between CFS and PFS
      • How to Choose Between CFS, BOS and CDS
    • Application scenarios
  • Product pricing
    • Pay-as-you-go
    • Storage package billing
    • Insufficient balance reminders and debt handling
    • Billing Cases
  • Quick Start
    • Getting Started Overview
    • Quick start (Linux)
    • Quick start (Windows)
  • Operation guide
    • Activate Service
    • Manage File System
      • Create file system
      • Delete a file system
      • View file system details
      • Set File System Capacity Upper Limit
    • Mount and Access
      • Add mount target
      • Mount and Unmount CFS on BCC
        • Mount and Unmount on Linux System
          • Mount and Unmount SMB Protocol CFS on Single BCC
          • Batch mounting and unmounting NFS CFS on multiple BCC
          • Mounting and unmounting NFS CFS on a single BCC
        • Mount and Unmount SMB Protocol CFS on Windows System
        • Mount CFS File System When Purchasing New BCC
      • Using CFS in CCE
    • Permission Group Management
    • Identity and access management
    • Data encryption
    • Management Tags
    • Backup
    • Monitor and Alarm
      • View monitoring
      • Alarm management
      • Metric definition
    • Cloud Audit
  • Typical Practices
    • Set Different User Permissions for Different Directories
    • Using File Systems Across Regions Or Accounts
    • Use SFTP to Upload and Download CFS File System Data
    • Use Rsync to Sync From Old File System to CFS File System
    • Best Practices for Managing CFS with Terraform
    • Performance Testing Methods
      • Linux System Performance Testing Methods
      • Windows System Performance Testing Methods
  • API Reference
    • API Function Update Records
    • API Overview
    • Interface Overview
    • General Description
    • Service domain
    • Error code
    • File System Related Interfaces
      • Create file system
      • Update file system
      • Query file system
      • Query mount client
      • Drop file system
      • Update file system tags
    • mount target Related Interfaces
      • Create mount target
      • Query mount targets
      • Delete mount target
    • Permission Group-related APIs
      • Create Permission Group
      • Update permission group
      • Query Permission Groups
      • Delete permission group
      • Create permission group rules
      • Update permission group rules
      • Query permission group rules
      • Delete permission group rule
    • Data type
  • Go-SDK
    • Overview
    • Initialization
    • File system
    • Mount target
    • Error handling
  • FAQs
    • Common Questions Overview
    • General Problems
    • Billing Problems
    • NFS protocol questions
    • SMB Protocol Issues
  • Service Level Agreement (SLA)
    • CFS Service Level Agreement (SLA)
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CFS

  • Updates and Announcements
    • Function Release Records
    • Product Announcement
      • Announcement on CFS Metric Adjustments
  • Product Description
    • Product Introduction
    • Basic concepts
    • Product features
    • Product specifications
    • Usage Limits and Recommendations
    • Selection Guide
      • How to Choose Between CFS and PFS
      • How to Choose Between CFS, BOS and CDS
    • Application scenarios
  • Product pricing
    • Pay-as-you-go
    • Storage package billing
    • Insufficient balance reminders and debt handling
    • Billing Cases
  • Quick Start
    • Getting Started Overview
    • Quick start (Linux)
    • Quick start (Windows)
  • Operation guide
    • Activate Service
    • Manage File System
      • Create file system
      • Delete a file system
      • View file system details
      • Set File System Capacity Upper Limit
    • Mount and Access
      • Add mount target
      • Mount and Unmount CFS on BCC
        • Mount and Unmount on Linux System
          • Mount and Unmount SMB Protocol CFS on Single BCC
          • Batch mounting and unmounting NFS CFS on multiple BCC
          • Mounting and unmounting NFS CFS on a single BCC
        • Mount and Unmount SMB Protocol CFS on Windows System
        • Mount CFS File System When Purchasing New BCC
      • Using CFS in CCE
    • Permission Group Management
    • Identity and access management
    • Data encryption
    • Management Tags
    • Backup
    • Monitor and Alarm
      • View monitoring
      • Alarm management
      • Metric definition
    • Cloud Audit
  • Typical Practices
    • Set Different User Permissions for Different Directories
    • Using File Systems Across Regions Or Accounts
    • Use SFTP to Upload and Download CFS File System Data
    • Use Rsync to Sync From Old File System to CFS File System
    • Best Practices for Managing CFS with Terraform
    • Performance Testing Methods
      • Linux System Performance Testing Methods
      • Windows System Performance Testing Methods
  • API Reference
    • API Function Update Records
    • API Overview
    • Interface Overview
    • General Description
    • Service domain
    • Error code
    • File System Related Interfaces
      • Create file system
      • Update file system
      • Query file system
      • Query mount client
      • Drop file system
      • Update file system tags
    • mount target Related Interfaces
      • Create mount target
      • Query mount targets
      • Delete mount target
    • Permission Group-related APIs
      • Create Permission Group
      • Update permission group
      • Query Permission Groups
      • Delete permission group
      • Create permission group rules
      • Update permission group rules
      • Query permission group rules
      • Delete permission group rule
    • Data type
  • Go-SDK
    • Overview
    • Initialization
    • File system
    • Mount target
    • Error handling
  • FAQs
    • Common Questions Overview
    • General Problems
    • Billing Problems
    • NFS protocol questions
    • SMB Protocol Issues
  • Service Level Agreement (SLA)
    • CFS Service Level Agreement (SLA)
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  • Product Introduction

Product Introduction

Updated at：2025-11-11

Baidu AI Cloud File System (CFS) is a secure and efficient file storage service. It enables file storage and sharing across operating systems for virtual machines and container resources on the cloud. CFS works seamlessly with native operating systems via the POSIX API and is compatible with NFS and SMB protocols. Additionally, Baidu AI Cloud CFS offers simple and user-friendly external interfaces, supports pay-as-you-go billing, eliminates deployment and maintenance costs, and maximizes business efficiency.

CFS Operation Document.png

CFS supports a wide range of application scenarios. For details, please refer to Application Scenarios.

CFS offers two storage classes: performance-optimized and capacity-optimized. For more information, please refer to Product Specifications.

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