It’s not just you - HDDs really are getting less reliable
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The balance of power betweenHDDsandSSDscould soon be about to shift for good, new figures have claimed.
Backblaze, which has been monitoring the failure rate of its hard drives over the course of a decade, has just announced its latest figures analyzing over 241,000 units.
Accounting for test drives and models with fewer than 60 in operation, Backblaze’s Q1 2023 report uncovered statistics from 236,893 drives, spanning 30 models from four manufacturers that account for almost 2.8 million TB of storage.
Are HDDs reliable?
According to its Q1 2023 figures, the hard drives used by Backblaze (some of which in operation for a number of years) are becoming less reliable, averaging an annualized failure rating of 1.54%, compared with 1.21% in the previous quarter.
This is a sharp increase on the 1.37% figure reported for 2022 as a whole, itself up from 1.01% in 2021 and 0.93% in 2020.
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While data is limited and we cannot deduce whether drive size plays a role in failure, Backlaze’s 10TB HDDs were the most affected, with larger drives faring better.
It also markedSeagateas having the highest AFR of 2.28% compared with WDC on the opposite end of the scale, at 0.31%.
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Age is another variable quoted by the company, with some of its drives not failing until their fifth year, and others in their first few months. It does, however, estimate an average age for failure at two to three years, according to its own and Secure Data Recovery research.
The company’s growing number of SSDs is beginning to show their true reliability in comparison, though data is still several thousands of terabytes away from that of HDDs. Still, a 2022 AFR of 0.98% is down from 1.05% in 2021, making SSDs generally more reliable than their HDD counterparts.
With several years’ experience freelancing in tech and automotive circles, Craig’s specific interests lie in technology that is designed to better our lives, including AI and ML, productivity aids, and smart fitness. He is also passionate about cars and the decarbonisation of personal transportation. As an avid bargain-hunter, you can be sure that any deal Craig finds is top value!
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