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When the remote dirty-usage ACK response is lost, re-probe scanner activity once and accept the ACK only if every target host still reports the same scanner instance with no dirty usage pending. Duplicate targets, restarted peers, unverified activity, and concurrent writes remain pending. Co-authored-by: zhi22915 <qiuzgang@gmail.com>
RustFS Scanner
RustFS Scanner is the background maintenance scan loop. It handles usage accounting, lifecycle expiry and transition admission, bucket replication repair admission, scanner-driven heal/bitrot checks, and namespace alerts.
For operator-facing runtime controls, status fields, and tuning workflows, see Scanner Runtime Controls. For repeatable scanner-pressure validation, see Scanner Benchmark Runbook.
Chinese documentation is available in README.zh-CN.md.
Development
Build
cargo build --package rustfs-scanner
Test
cargo test --package rustfs-scanner
License
Apache License 2.0