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mergerfs

Level: L2 | Domain: Linux

A deep-dive topic on mergerfs, the FUSE-based union filesystem at the heart of most Linux data hoarding setups. Covers every policy, branch mode, config option, threading model, and cache setting.

Contents

  • Primer -- architecture, all policies, config options, runtime control
  • Street Ops -- fstab examples, SnapRAID integration, Docker patterns, drive replacement
  • Footguns & Pitfalls -- parity in pool, recursive mounts, EXDEV gotchas, NFS issues

See Also