In a 2007 study, CERN observed 1.53 million hard drives from 30 models over 32 months and analyzed the drive read errors returned. They noted that 3.5% of drives developed "latent read error" (i.e.
In a 2007 study, CERN analyzed the read errors on 1.53 million hard drives from 30 different models over a span of 32 months to understand the prevalence of "latent read error."