 Backblaze has released their Q3 2018 hard drive stats less is more So I've always enjoyed these I've done a video which I'll link to as well where I go more in depth with some of the hard drive statistics And what they all mean, but this is a quick overview of all the drives that they have number of drive days drive counts and failures, and this is the only place. I know that has a really Detailed report over time because you can get the impression that hard drives are failing Because you see a lot of them because a lot of them were sold so they come in you go Hey I see all of this brand hard drive failing because I see a lot of them out there But that doesn't give you the count for how many are really there so back to playing the statistics They give you those stats, which is very helpful so you get a better understanding of which hard drives are really failing So here they are so hgst and this has been through all the years And we're going to jump to that because they have the longer term overview of this Hgst been a favorite drive of mine for a lot of our projects and a lot of our servers But and they're clearly a winner over at back plays and they have some of the lowest average failure rates now to give you Just a quick overview. They have 79 of these drives drive days is how many days? Cumulatively 79 drives and running so they haven't been running Each one 6,000 days, but it's the cumulative time that they're running So you get a better idea how that math equation works So with 25,000 drives running 24 hours a day, so that's how many days you've been installed You come up with 2.2 million drive days with 78 failures, and we see 1.29% Because it's one of those important things when you're looking at this. It's not just about dry failures It's how long have they been in place during this period of time? But C gate consistently, you know a lot of drive days and 0.8% on these C gates here 0.96% here now I got to admit 1.29% based on this drive days is not Terrible for the C gates because you're talking about a drive count of 25,000 of these 12 terabyte drives So it's still a pretty low annual failure rate But we go down here and look at some of these where we have like 1.3 million Drive days for this HTST for a terabyte model. I think these are the same models. I have in my server right now 0.27% so granted this is low But this is even lower and the same thing here for this particular model So this is the 404 BLE640 and ALE640, and I don't know the specific differences But you know 0.34 0.27% so they're really really close Western Digital with only 39,000 drive days 4.64% so they're kind of yeah, they're kind of out there and of course here's another one 2.3 million drive days in the C gate for terabyte That's just not good 2.28% failure rate. So pretty high for both the four terabyte C gates and these now Let's wander down a little bit here And look at the overall because they keep the running totals going since they started this project of Documenting all the drive details. So from April 2013 to September 2018 We can see that we have an annual failure rate because they just haven't been in that long of these 12 terabyte ones of 0% Failed of these 79 and then we look at the C gates again with 5 million drive days for these 12 terabytes Now you're you know expand the time range 1.2% so it's not super high But it is there and I'm not sure how they calculate I'm not going to go into the confidence rate. These are the Average failure rate column that we're looking at here Hgst 8 terabytes Still 0.98% so a little bit higher than the fours, but not not crazy It's not all the way up at 1.2 or like this Western Digital 6 terabyte like man 4% failure so Western Digital 6 TVs not looking good for them at all And then we go down here and we come back to these Hgsts Now we're looking at them over time and we do see over time more from fail But you're talking about 10 million and 13 million drive days and pointing and being at 0.5 and 0.46 percent Now they do have an overall average of only 1.7 percent So there's still all falling on the below average with the C gate down here C gate 4 terabytes at above average failure rates And in our Western Digital 4 terabytes here now these drive stats I think are important I wish more companies would reveal what hardware they were using and how they were doing it and back plays just does a great job of This of putting these stats out there so we can get some really good feels I install a lot of these Hgsts based on this and knock on wood I have not had any problems have I seen a lot of C gate failures absolutely But that's not enough for me saying oh, yeah, I seen these failed to say it's a statistic But when we look at a company that's installing 14,000 hard drives, okay, they have a much better testing pool for this So I still think this is a great source for gathering some of that data I'll leave links below to some of those Hgsts and other drives That they use in here and you can find them through our Amazon if you want to purchase one of these But like I said, I still lean towards and I'm still happy with the overall on the Hgst drives But I tell you what this C gate, I mean it 12 TB's 25,000 drives 1.2 9% not absolutely terrible But not near as good as I mean granted We only have 79 of these drives, but these 12 terabyte right here these Hgsts storage is definitely a key issue when it comes to you know, where do we put all the stuff and It's really good. I'll leave the link to this of course so you can read through here because they also talk about some of the Details and things that they're working on because back plays is greatly expanding as fast as they can because the demand for cloud storage is growing Rapidly too, and if you're not familiar with back plays check them out They're actually a pretty cool company for doing block storage at really reasonable prices. We've done some work with them We have some storage systems built that use back plays as a back end for backup. It works. Well, we've never had a problem. 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