Tag
torn-writes
- Jan 5, 2026 Checksum Placement: Block Pointers, Metadata Trees, and Payloads Where a filesystem can store a block checksum, why the pointer is usually the right home for it, and how each placement choice changes what a torn write can do. filesystems
- Jul 22, 2025 Torn Writes, Journal Checksums, and Detecting a Bad Commit Why a commit record that exists is not proof that its transaction is intact, how checksumming the log closes that hole, and what remains undetectable. 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