In November, Backblaze company , known for statistical studies of the frequency of failures of popular models semi-professional and consumer hard drives, has published its latest report, which includes data on the disk array in the third quarter 2016. For example, in the table below, you can see information on the models and the frequency of their failures. Note Backblaze disk shelves contain 45 HDD. Currently, the company has studied the possibility of transfer
to outlines the shelves of 60 disks, which performed well in the work.
Backblaze has 40 thousand drives , HGST -. About 22 thousand , WD only 1,5 thousand, and HDD Toshiba - 250 pieces. It is clear that the most close to the real situation with the reliability of statistics will be on Seagate hard drives. As follows from the report, in absolute terms the most out of order 4 TB drives Seagate ST4000DM000 (278 pieces), but their use as much as 34 744 pieces, giving a modest bounce value on the level of 3.18% per year. On the latter option
were the worst 6-TB model WDC WD60EFRX. Of the total number of models in the amount of 451 pieces of order came 13 drives, and is 11.31% bounce in the year.
The most capacious 8-TB drives have proved to be good. Related Products :
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