DEF CON 33 – Data Duplication Village – Tracking 300K+ Drives –

Backblaze Drive Stats is an open dataset that has tracked hard drive and SSD reliability across our data centers since 2013. In this 2025 talk at the Def Con DDV, Stephanie and Pat cover recent backend upgrades—including a modular versioning system and migration to Snowflake with Trino and Iceberg—that improved data processing and failure validation. We’ll also share updated AFR trends by drive model and size, SSD tracking challenges, and share how drive insights have underpinned performance improvements in data centers.DEFCONConferenceRead More