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Backblaze Q3 2025 Drive Stats: Failure Rates Climb and Outliers Emerge

11 days ago
https://www.storagereview.com/news/backblaze-q3-2025-drive-stats-failure-rates-climb-outliers-emerge-and-ai-workloads-reshape-infrastructure
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  • #hard-drive-reliability
  • #cloud-storage
  • #AI-workloads
  • Backblaze's Q3 2025 Drive Stats report shows an increase in the annualized failure rate (AFR) to 1.55%, up from 1.36% in Q2.
  • The report includes data from 332,915 drives, with 328,348 active data drives.
  • Notable high AFR outliers include Seagate ST10000NM0086 (7.97%), Seagate ST14000NM0138 (6.86%), and Toshiba MG08ACA16TEY (16.95%).
  • Four drive models recorded zero failures this quarter.
  • Lifetime AFR remains stable at 1.31%, reflecting consistent long-term reliability.
  • AI-related traffic now accounts for 25% of Backblaze's network activity, showing a shift in workload patterns.
  • The 'AI data gravity' effect is noted, emphasizing closer storage and compute proximity for efficiency.
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