Tag
raid
- Apr 11, 2026 Self-Healing Reads: Reconstructing a Copy From Redundancy How a filesystem repairs a damaged block during a read, what the repair costs on mirrored and parity layouts, and why the repair itself can fail. filesystems
- Apr 4, 2025 Torn Writes, Sector Atomicity, and the RAID Write Hole Why a 512-byte sector write is atomic but a 4 KiB write may not be, how torn writes corrupt filesystems that assume otherwise, and what parity updates do to crash consistency. memory systems