As ordinary, cloud supplier Backblaze has shared statistics on its exhausting drives deployed over the past quarter. As of the tip of June, the corporate used 215,424 exhausting drives, of which 1,462 have been bootable. After excluding discs that have been used for testing functions or that didn’t have not less than 60 copies left, we have been left with 215,011 discs distributed throughout 27 totally different SKUs.
Of those 27 fashions, the WD WUH721816ALE6LO has the bottom failure price of 0.15%, adopted by one other 16TB drive and a 14TB copy from the identical producer (0.23% and 0.29%). The common dropout price is 1.39%. That is an identical to the earlier quarter and decrease than the 1.45% for a similar quarter in 2021. This annual failure price is calculated as AFR = (variety of failed disks / (variety of disk days / 365)) * 100.
The next three fashions present the best AFR values:
- HGST 8TB (HUH728080ALE604): 6.26%.
- Seagate 14TB (ST14000NM0138): 4.86%.
- Toshiba 16TB (MG08ACA16TA): 3.57%.
Though these drives have a considerably increased failure price than others, Backblaze stories that they’ve comparatively few enterprise days. In these three instances, this ends in a big distinction between the boldness intervals, which signifies that the individual is much less assured in regards to the accuracy of the AFR.
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