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On the recordRead 12 Oct 202627 facts
rdiff-backup
On the record
- Audience
- The project describes rdiff-backup as a way to back up one hard drive to another, locally or across a network.rdiff-backup.net · read 12 Oct 2026
- Backup scope
- filerdiff-backup.net · read 19 Sep 2026
- Computer backup
- Yesrdiff-backup.net · read 19 Sep 2026
- Efficient storage
- It uses librsync to save differences for changed files, including binary files, rather than storing full copies for each increment.rdiff-backup.net · read 12 Oct 2026
- Efficient transfers
- Using librsync, it stores and transfers differences for changed files to reduce storage use and network bandwidth.rdiff-backup.net · read 12 Oct 2026
- File recovery
- The destination mirrors the source while storing reverse diffs that can recover earlier file versions.rdiff-backup.net · read 12 Oct 2026
- Filesystem metadata support
- With optional pylibacl and pyxattr modules and compatible filesystems, it can preserve ACLs and extended attributes; ACLs are not supported on macOS or Windows.rdiff-backup.net · read 12 Oct 2026
- Filesystem support
- It detects filesystem capabilities such as case sensitivity, ownership, resource forks, extended attributes, and access control lists.rdiff-backup.net · read 12 Oct 2026
- Integrations
- SSH can be used for secure remote backups, and the project recommends installing an SSH package for remote Windows operations.github.com · read 12 Oct 2026
- Latest backup
- The backup directory is an almost exact copy of the source, making the latest files directly accessible there.rdiff-backup.net · read 12 Oct 2026
- License and development
- The GitHub repository identifies the project as open source under GPL-2.0 and says no particular company backs its development.github.com · read 12 Oct 2026
- Mac metadata
- On Mac systems, it can back up resource forks and restore that metadata.rdiff-backup.net · read 12 Oct 2026
- Metadata
- It preserves file information such as permissions, ownership, modification times, device files, fifos, and symlinks, subject to destination filesystem capabilities.rdiff-backup.net · read 12 Oct 2026
- Notable limit
- The FAQ says there is no internal option to limit bandwidth usage; it suggests external utilities for that purpose.rdiff-backup.net · read 12 Oct 2026
- Project status
- The project describes itself as open source and welcomes contributions.rdiff-backup.net · read 12 Oct 2026
- Purpose
- rdiff-backup backs up one directory to another locally or over a network, combining a mirror with incremental backups.rdiff-backup.net · read 12 Oct 2026
- Remote access
- Remote backups can run over SSH, with rdiff-backup installed on both systems.rdiff-backup.net · read 12 Oct 2026
- Remote transfers
- For remote backups, it sends differences over the network and can operate over SSH.rdiff-backup.net · read 12 Oct 2026