Backblaze Company quite well known among the Internet community, but popularity is earned not by the main profile of the company, but secondary - periodically publish statistical calculations on the failure of the storage on magnetic plates (HDD).
November 13, 2013: About 50% of hard drive are capable of operating for at least six years .
December 6, 2013: Hard drives, enterprise-class show comparable reliability to consumer .
January 22, 2014: Statistics of hard drives reliability as an example of data processing center .
May 13, 2014: Temperature has no significant effect on the life of the hard drive .
September 26, 2014: Backblaze updated statistics on the HDD reliability .
As of December 31, 2014 in the data center Backblaze operated 41,213 stores, one and a half times more than a year ago (27,134 drives). Main completion this year was due to 4TB volume and, to some extent, 6TB.
The title of the most reliable deserve HDD, released HGST, demonstrating lowest failure rate.
Seagate Barracuda 7200.14 3 TB (ST3000DM001) - 43.1% of devices had to be removed from service due to malfunction. On the second place was also the product Seagate - Barracuda 7200.11 1.5 TB volume (ST31500341AS) with a 23.5% failure rate. And the third - Seagate Barracuda LP (ST31500541AS) with 9.5% failure rate. But here we must take into account the age of the last two: five years 24/7 under constant load - a worthy experience.
Also in operation Seagate 6 TB (ST6000DX000), whose failure rate is zero. But ST6000DX000 only 45 copies and they are operated only four months . Although, by comparison, Western Digital Red exploited a similar volume six times more (270) and the life of the whole month and a half, and the percentage of failure have already reached 3.1%.
Title of the most reliable HDD unconditionally gets HGST Deskstar 7K2000 2TB (HDS722020ALA330): with an average age of operating in almost 4 years .
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