The numbers provided came from Backblaze's observation of the 72,100 drives it used for storing customer data. The 8 TB Seagate (ST8000NM0055) drives, which were deployed in November 2016, also recorded zero failures. Both the 4 TB Toshiba and the 8 TB HGST models performed the whole year without a drive failure. In 2016, three drives models ended the year with zero failures, according to Backblaze. Furthermore, it had 45,531 Seagate drives 1,029 of which had failed during the year. From the data, one must consider that Backblaze only had 1,626 WDC drives, and only 61 of those failed. It has an average of 3.88 percent failure rate. WDC drives are on the rear in terms of reliability, according to Backblaze. In addition, it has a measly of 0.60 percent failure rate. If we classify the drives according to its manufacturers, HGST top the list. The 5TB hard drives are the least reliable at a 2.22 percent failure rate. Backblazes quarterly and annual HDD reliability reports, while not perfect, provide insight into a handful of storage models that the public is typically not privy to. This is an improving figure compared to the 2.47 percent that died in 2015, and heaps below the 6.39 percent in 2014.Ĭompiling 2016's failure rates by drive size, independent of manufacturer, From Backblaze data, we see that 3TB hard drives are the most reliable with 1.40 percent failure rates. There are 1,225 drives that failed in 2016, which means the drive failure rate for 2016 was just 1.95 percent. Comments (0) (Image credit: Shutterstock). This is in order to shed some light on the most and least reliable manufacturers. Seagate HDDs Top and Bottom Backblaze’s 2021 Failure Rates Data By Michelle Ehrhardt published 1 February 2022 HDD failure rates remain low overall. Since 2013, online backup solution provider Backblaze has released a list of its hard drives and their failure rates. The list also includes updates about 2016's Q4 and full-year analysis. Backblaze has just revealed its latest HDD failure rates statistics.
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