Hard Drive Stats for Q3 2018: Less is More

By | October 16th, 2018

As of September 30, 2018 Backblaze had 99,636 spinning hard drives in our data centers, which now includes a large number of 12 TB drives. Here’s our latest report on how they’re all doing, and a brief look at the direction we’ll be heading in the future.

Hard Drive Stats for Q2 2018

By | July 24th, 2018

As of June 30, 2018 we had 100,254 spinning hard drives in Backblaze’s data centers. Of that number, there were 1,989 boot drives and 98,265 data drives. This review looks at the quarterly and lifetime statistics for the data drive models in operation in our data centers. We’ll also take another look at comparing enterprise….

Hard Drive Stats for Q1 2018

By | May 1st, 2018

For the most recent Hard Drive Reliability Statistics, as well as the raw hard drive test data, visit Hard Drive Data and Stats. As of March 31, 2018 we had 100,110 spinning hard drives. Of that number, there were 1,922 boot drives and 98,188 data drives. This review looks at the quarterly and lifetime statistics….

Backblaze Hard Drive Stats for 2017

By | February 1st, 2018

Starting in 2013, Backblaze has recorded and saved daily statistics from all the hard drives in our data centers. As of the end of 2017, we had 93,240 spinning hard drives and 88 million statistical records totaling 23 GB of data. Here is the summary of our findings for 2017 based on that data.

Hard Drive Stats for Q2 2017

By | August 29th, 2017

In this update, we’ll review the Q2 2017 and lifetime hard drive failure rates for all our current drive models. We also look at how our drive migration strategy is changing the drives we use and we’ll check in on our enterprise class drives to see how they are doing. Along the way we’ll share our observations and insights and as always we welcome your comments and critiques.

Hard Drive Stats for Q1 2017

By | May 9th, 2017

In this update, we’ll review the Q1 2017 and lifetime hard drive failure rates for all our current drive models, and we’ll look at a relatively new class of drives for us — “enterprise.” We’ll share our observations and insights.

Backblaze Hard Drive Stats for 2016

By | January 31st, 2017

Backblaze has recorded and saved daily hard drive statistics from the drives in our data centers since April 2013. At the end of 2016 we had 73,653 spinning hard drives. Of that number, there were 1,553 boot drives and 72,100 data drives. This post looks at the hard drive statistics of the data drives we monitor. We’ll first look at the stats for Q4 2016, then present the data for all of 2016, and finish with the lifetime statistics for all of the drives Backblaze has used in our cloud storage data centers since we started keeping track. Along the way we’ll share observations and insights on the data presented.