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Drive Failure Rates...


Koleckai Silvestri

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Starkadius

They didn't include the Seagate NAS drives unfortunately, curious to see the results of those. I have been replacing my Seagate Desktop 4TB drives (ST4000DM000) with the Seagate NAS 4TB (ST4000VN000) drives which are designed for 24/7 usage and has a 3 year warranty. They run much cooler and reviews seem to be much better than the desktop ones.

 

They ARE slightly more expensive but basically you are paying for longevity and peace of mind so in the long term I think that is worth it versus saving a little in the short term

 

Seagate NAS HDD 4TB SATA 6GB NCQ 64 MB Cache Bare Drive ST4000VN000

Edited by Starkadius
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What's the main cause of HDD failure? I say this because I'm not running mine on any sort of backup system, and have been for a few years now with some of my drives. I'm running all WD external drives right now. 9TB worth, the largest drive being 3TB.

Edited by pmac
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Starkadius

There are various factors that could cause hard drive failure but the most common is heat. I have observed that external drives usually run on higher temperatures when turned on for a lengthy period because of the enclosure and as such I would not use them for 24/7 use cases such as media browser. They are good for backup purposes.

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Good day,

 

As Starkadius said regarding thing lead to HDD failure matters, as the heat the main issue, I will add to it:

 

1 - Dust.

2 - Bad management for idling the HDD.

 

Also HDD brands do main issue as well, again Starkadius cover that in some post here.

 

The HDD controller as here the RAID controller (whom use it) can have some factor as well.

 

My best

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There are various factors that could cause hard drive failure but the most common is heat. I have observed that external drives usually run on higher temperatures when turned on for a lengthy period because of the enclosure and as such I would not use them for 24/7 use cases such as media browser. They are good for backup purposes.

I guess I've just been lucky so far then... I always worry about what I'll do in case of a failure, unfortunately I don't really know anything about unRAID's/RAID's, or other alternatives. But I do want to eventually set up some sort of backup system, just don't know which route to take...

 

I've got:

 

2x 3TB Externals

2x 1TB Externals

1x 2TB Internal

 

unRAID looks nice, because it seems cheaper/more reliable than a proper RAID setup, but I've read Windows has some online software backup systems as well, I just don't really know anything about any of them... lol

Edited by pmac
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Koleckai Silvestri

Online backup is probably impractical once you are past the 1 terabyte threshold. You need reall good upload speeds to make it work.

 

As for failure, in the article, they said one of the reasons for failure was frequent spin downs of low power drives. Every time a drive spins up, it puts stress on the motor. So you want to control that for long term use. spinning drives create heat which causes problems with the platters so you want to cool them down. Make sure there is good air flow in any case and/or use heat exchangers on the drives directly.

 

Going slightly above consumer grade will help you as well. Such as the NAS drives mentioned by Starkadius above or the Blue and Black lines from Western Digital. Or Hitachi drives. They cost a bit more but are more reliable. You also don't need the fastest drives for your media storage. Slower is usually more reliable. They aren't going to use the bandwidth of SATA individually anyway.

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As for failure, in the article, they said one of the reasons for failure was frequent spin downs of low power drives. Every time a drive spins up, it puts stress on the motor. So you want to control that for long term use. spinning drives create heat which causes problems with the platters so you want to cool them down. Make sure there is good air flow in any case and/or use heat exchangers on the drives directly.

 

Going slightly above consumer grade will help you as well. Such as the NAS drives mentioned by Starkadius above or the Blue and Black lines from Western Digital. Or Hitachi drives. They cost a bit more but are more reliable. You also don't need the fastest drives for your media storage. Slower is usually more reliable. They aren't going to use the bandwidth of SATA individually anyway.

This is the reason I don't ever buy those Green drives. The spin downs on those suck.

 

And yeah for any NAS or just good quality drives, I'd have to recommend minimum of the Red drives now. Black if you can afford them, but that is stepping it up a lot.

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Starkadius

I agree, for MediaBrowser usage the Western Digital Red drives which are for NAS applications are appropriate as well. I have not used the WD Red drives so I can't vouch for them but they have comparable features to the Seagate NAS drives. The Western Digital Red and Seagate NAS drives are an in-between consumer and enterprise level drives so they aren't so cheap but not so expensive either, they are just right for media serving.

 

 

Western Digital 4 TB WD Red SATA III 5400 RPM 64 MB Cache NAS Hard Drive WD40EFRX

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Interesting reading on drive failure rates from the professional storage people:

 

http://blog.backblaze.com/2014/01/21/what-hard-drive-should-i-buy/

I love the way the BackBlaze folks are so open about everything they do.  We use them for all of our desktop PCs at my workplace.  If I had a decent internet connection at home I would use them there too.  $50/year for unlimited data backup (but no server OS or Linux - unless you count Mac OSX).

Edited by bigjohn322
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