Welcome to bcachefs’s documentation!

Overview:

• Introduction
• Performance
• Bucket based allocation

Features:

• IO path options
  • Checksumming
  • Encryption
  • Compression
• Multiple devices
  • Replication
  • Erasure coding
  • Device labels and targets
  • Caching
  • Durability
• Reflink
• Inline data extents
• Subvolumes and snapshots
• Quotas

Management:

• Formatting
• Mounting
• Checking Filesystem Integrity
• Status of data
• Journal
• Device management
  • Filesystem resize
  • Device add/removal
• Data management
  • Data rereplicate
  • Rebalance
  • Scrub

Advanced:

• Options
  • File and directory options
  • Full option list
  • Error actions
  • Checksum types
  • Compression types
  • String hash types
• Debugging tools
  • Sysfs interface
  • Debugfs interface
  • Listing and dumping filesystem metadata
• ioctl interface
• On disk format
  • Superblock
  • Journal
  • Btrees
  • Btree keys