Christian Schwarz

zrepl is a one-stop, integrated solution for ZFS replication.
It is open-source software that I develop and maintain in my spare time.  By becoming a patron, you support me with that task.

User Documentation: https://zrepl.github.io/
GitHub Repo: https://github.com/zrepl/zrepl
Differentiating Features:

Filesystem replication

• [x] Pull & Push mode
• [x] Multiple transport transports: TCP, TCP + TLS client auth, SSH
• Advanced replication features
  • [x] Automatic retries for temporary network errors
  • [x] Automatic resumable send & receive
  • [x] Automatic ZFS holds during send & receive
  • [x] Automatic bookmark & hold management for guaranteed incremental send & recv
  • [x] Encrypted raw send & receive to untrusted receivers (OpenZFS native encryption)
  • [x] Properties send & receive
  • [x] Compressed send & receive
  • [x] Large blocks send & receive
  • [x] Embedded data send & receive
  • [x] Resume state send & receive

Automatic snapshot management

• [x] Periodic filesystem snapshots
• [x] Support for pre- and post-snapshot hooks with builtins for MySQL & Postgres
• [x] Flexible pruning rule system
  • [x] Age-based fading (grandfathering scheme)
  • [x] Bookmarks to avoid divergence between sender and receiver

Sophisticated Monitoring & Logging

• [x] Live progress reporting via <cite>zrepl status</cite> subcommand
• [x] Comprehensive, structured logging
  • human, logfmt, and json formatting
  • stdout, syslog and TCP (+TLS client auth) outlets
• [x] Prometheus monitoring endpoint

Maintainable implementation in Go

• [x] Cross platform
• [x] Dynamic feature checking
• [x] Type safe & testable code