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`MultiWriter` recorded per-writer failures only in a private `errs` vector and nulled the failed writer locally, but `put_object` never used that to prune the disk set: `rename_data` ran over the full `shuffle_disks`, so a disk that took a short/failed write still had its truncated shard renamed into place and counted as an online disk. The object then claimed N good shards while one was short/corrupt, so a single later disk failure could drop it below reconstructable quorum — silent data loss. - `write_shard`: null the writer on a generic write error too (not only on `ShortWrite`), so a failed writer is uniformly represented as `None` — matching `shutdown_writer`, which already does this. - `put_object`: after encode, drop every disk whose writer failed (`drop_failed_writer_disks`) from `shuffle_disks` before `rename_data`, and re-check write quorum over the survivors. `rename_data` already re-checks quorum and rolls back if too few disks remain, so excluded disks are neither committed nor counted (MinIO sets failed writers to nil before `renameData`). Adds unit tests for the exclusion/quorum accounting. Refs backlog#799 (B3).
RustFS ECStore - Erasure Coding Storage
High-performance erasure coding storage engine for RustFS distributed object storage
📖 Documentation
· 🐛 Bug Reports
· 💬 Discussions
📖 Overview
RustFS ECStore provides erasure coding storage capabilities for the RustFS distributed object storage system. For the complete RustFS experience, please visit the main RustFS repository.
✨ Features
- Reed-Solomon erasure coding implementation
- Configurable redundancy levels (N+K schemes)
- Automatic data healing and reconstruction
- Multi-drive support with intelligent placement
- Parallel encoding/decoding for performance
- Efficient disk space utilization
📚 Documentation
For comprehensive documentation, examples, and usage guides, please visit the main RustFS repository.
📄 License
This project is licensed under the Apache License 2.0 - see the LICENSE file for details.
Copyright 2024 RustFS Team
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
RustFS is a trademark of RustFS, Inc.
All other trademarks are the property of their respective owners.
Made with ❤️ by the RustFS Storage Team
