Backblaze Drive Type Profiling Predicts Replacement And Migration
Blocks&Files, Wednesday, August 7th, 2024
Cloud storage provider Backblaze is developing drive type profiling models to optimize its drive replacement and migration strategies.
The work is detailed in the latest edition of its quarterly disk drive annual failure rate (AFR) statistics blog. Author and principal cloud storage storyteller Andy Klein says: 'One of the truisms in our business is that different drive models fail at different rates. Our goal is to develop a failure profile for a given drive model over time.'
He started by 'plotting the current lifetime AFR for the 14 drives models that have an average age of 60 months or less' drawing a chart of drive average age versus cumulative AFR and dividing it into four quadrants: