Context This dataset contains data between January 2016 and December 2017 (2 years) filtered and preprocessed from up to 55 million entries from the collected BackBlaze dataset. Content The dataset includes disk properties in the system such as total disk capacity, usage details, failure figures and daily drive status information. This dataset includes the calculated lifetime distributions of each unique hard disk. Acknowledgements The original collection of dataset can be found here: https://www.backblaze.com/b2/hard-drive-test-data.html Backblaze states that you can download and use this data for free for your own purpose, Backblaze asks three things 1) cite Backblaze as the source if you use the data, 2) accept that you are solely responsible for how you use the data, and 3) do not sell this data to anyone, it is free. Inspiration Reference paper used this dataset: S. S. Arslan, E. Zeydan, "On the Distribution Modeling of Heavy-Tailed Disk Failure Lifetime in Big Data Centers