The Phantom Bad Blocks: How a 15-Year-Old Linux Bug Took Down 75 Security Cameras
A field report on diagnosing and repairing a RAID failure that wasn’t a hardware failure at all — and why ‘replace the disk’ would have made it far worse.
Storage
When Postgres Won't Start
A database stuck forever on ‘starting up’ wasn’t broken — it was clawing its way through WAL replay on a dying disk.
90s Kid - The Floppy Disk
A square of beige plastic that held your whole world in 1.44 megabytes and felt like it could hold the universe.