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[Backblaze] - Hard Drive Reliability Stats for Q3 2015 - Page 5

post #41 of 88
Quote:
Originally Posted by Tsumi View Post

I don't think that is ever going to happen. By the time SSDs get down to current HDD price per GB, HDD price per GB will be much lower than it is now.
By that time, even the slowest HDD will be decently fast enough for general use. biggrin.gif
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post #42 of 88
Lol Backblaze, really needs to be taken with a grain of salt.
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post #43 of 88
Quote:
Originally Posted by Chunky_Chimp View Post

Yeah, actually you can. 1-2 PETAbytes depending on the drive. That's more than enough to last anyone anywhere until the stuff really meant to replace hard drives comes out.
Small sample size. The real TL;DR for anyone trying to knock Seagate for the nth time is not to bother with their odd-numbered-capacity drives. The writeup clearly points out that Seagate's 4TB and 6TB Barracudas are doing well.

What I find confusing is why these guys only ever use and test consumer/desktop drives for a mission-critical environment, say they do that because of cost, and then let people draw conclusions on per-brand reliability based on tests of hardware NOT meant to last as long or run as well. A lot of people don't need enterprise hard drives, and probably won't ever have any, but again, this is talking per-brand reliability without accounting for the actual good stuff from each brand. I don't find that sensible at all.
Makes sense to me. If it lasts longer getting mutilated in a HEAVY use senario, it'll most likely last a hella long time for a normal bloke. Works for me
post #44 of 88
Quote:
Originally Posted by Alex132 View Post

Lol Backblaze, really needs to be taken with a grain of salt.

Indeed, I don't know whether their methodology has improved, but they used to have a lot of different enclosures. Some with proper cooling and vibration dampening, some without.

Hard to take their "testing" seriously with so many variables.
post #45 of 88
Quote:
Originally Posted by PR-Imagery View Post

they're actually pretty terribly designed and the fact Backblaze haven't shown vibration and shock test data (at least none that i've been able to find) all of the other data is irrelevant.

Quote:
Originally Posted by Alex132 View Post

Lol Backblaze, really needs to be taken with a grain of salt.

Quote:
Originally Posted by Gilles3000 View Post

Indeed, I don't know whether their methodology has improved, but they used to have a lot of different enclosures. Some with proper cooling and vibration dampening, some without.

Hard to take their "testing" seriously with so many variables.

Yep, they are far from what I would consider a reliable source for information about failure rates. Their "pods" are very inconsistent from what a typical enterprise or home/office hard drive environment is like. Anywhere from improper/poor cooling to little to no vibration protection at all resulting in higher than normal failure rates. Here is a very good write up on why their methodology is bad http://bioteam.net/2011/08/why-you-should-never-build-a-backblaze-pod/
post #46 of 88
Quote:
Originally Posted by XAslanX View Post

Yep, they are far from what I would consider a reliable source for information about failure rates. Their "pods" are very inconsistent from what a typical enterprise or home/office hard drive environment is like. Anywhere from improper/poor cooling to little to no vibration protection at all resulting in higher than normal failure rates. Here is a very good write up on why their methodology is bad http://bioteam.net/2011/08/why-you-should-never-build-a-backblaze-pod/

Thanks, was looking for that.

It's a shame though, I see Backblaze quoted so frequently when it comes to HDD reliability discussions.
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post #47 of 88
Quote:
Originally Posted by Defoler View Post

Their datacenter are cooled way better than whatever cooling you have in your house.
They are also using those drives for storage. What do you think they are using them for? BBQs?

Have you seen their system? Also there is a difference between typical PC storage demand and a Data Center. I write about 2-3GB a day in one of my HDD while my other 2 don't get used at all. The Data Center HDDs get read and written 24/7. Vibration also kills HDDs.
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post #48 of 88
Quote:
Originally Posted by ZealotKi11er View Post

Quote:
Originally Posted by Defoler View Post

Their datacenter are cooled way better than whatever cooling you have in your house.
They are also using those drives for storage. What do you think they are using them for? BBQs?

Have you seen their system? Also there is a difference between typical PC storage demand and a Data Center. I write about 2-3GB a day in one of my HDD while my other 2 don't get used at all. The Data Center HDDs get read and written 24/7. Vibration also kills HDDs.

I mean all you really need to see is this image:

6074471784_b27f7425eb.jpg

Because that totally screams even cooling and vibration across all drives, and similar to consumer-grade environments rolleyes.gif
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post #49 of 88
from what I remember of my HDD's

1 of 6 WD failed (1 WD green drive, 1 TB i think)
1 of 1 Hitachi failed (started making funny noises and would freeze windows until i booted without it)
1 of 3 Seagates failed
0 of 1 HGST that I don't use anymore (old laptop)
post #50 of 88
I wish platter HDD motors are replacable. After Deskstar I find that its always the motor that goes first as opposed to a full on head crash.
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