That said, the cumulative stats since 2017 show that HGST was the most reliable, followed by Toshiba, then Seagate (nearly twice as many failures as Toshiba), and bringing up the rear, Western Digital (perhaps explaining why its drives are no longer deployed by Backblaze). Seagate has improved its AFR over the last two quarters after a period of decline. The hard drive failure rate was 1.84 for the third quarter of 2017, but the annualized number reached 2.07, as explained by Backblaze in a blog post. The company has too few Western Digital and Toshiba drives for reliable statistics. Which manufacturer delivers the most reliable drives? Aside from noting the reliability of the now-unavailable HGST models, Backblaze seems reluctant to draw conclusions. Digging deeper, we can see that over the last three years, failure rates for. The "lifetime AFR", which measures the failure rate overall since 2013, is 1.64 per cent, and has been steadily improving from quarter to quarter – though the company's habit of installing many more drives than it retires may be a factor. In 2017, Backblaze collected results for 91,243 drives, with a failure rate of 1.83 percent across the entire range.
BACKBLAZE HARD DRIVE RELIABILITY 2017 SERIES
2017 are: Seagate ST3000DM001, 3TB 26 failure rate 5 Series hard drive 5. "Not all models follow the bathtub curve as they age," the company remarked. backup service Backblaze has published its annual hard drive reliability. For our evaluation we remove from consideration those drives which were used for testing purposes and those drive models for which we did not have at least 45 drives (read why after the chart). Disk drives suck less than they did a couple of years ago. The latest lifetime hard drive failure data published by Backblaze, which covers the period from April 2013 until June 2019, showed that their 8TB and 10TB hard. At the end of Q4 2017 Backblaze was monitoring 91,305 hard drives used to store data.
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