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Old 21-03-18, 05:10 PM
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Seagate showcases MACH.2 Multi-Actuator technology

HDDs may soon receive a speed boost.



Read more about Seagate's MACH.2 Multi-Actuator Technology.

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Old 21-03-18, 06:08 PM
NeverBackDown NeverBackDown is offline
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Real world performance will dictate if it's useful. Also the price increase will be interesting to see
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Old 21-03-18, 10:48 PM
Digikid Digikid is offline
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It's a Seagate product. It will die within a month.
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Old 21-03-18, 10:52 PM
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AlienALX AlienALX is offline
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Funny thing being an article I read a couple of years back claiming we would never again see things like this because the future is all SSD.

It's good to see. Especially with SSD prices being what they are
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Old 22-03-18, 11:00 AM
Gothmoth Gothmoth is offline
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Quote:
Originally Posted by Digikid View Post
It's a Seagate product. It will die within a month.

lol you come across pretty much clueless with that comment.

please donīt say you come to that conclusions from the few seagates you ever owned or the stupid backblaze report any real storage expert laughs about.

when you look at RMA rates from retailers seagate donīt do worse than other brands.
in fact they often have half the RMA rate of western digital drives (this depends on models of course).
some models are wose than others. there can always be a model with a series issue like the "click of death". the 1.5TB seagate was not a good drive, but other brands have such bad models too.
a big french retailer often makes such RMA numbers public.

the backblaze reports was debunked by people who really have a clue about harddrive storage. people who donīt buy cheap refurbished drives that are not meant to be used in vibration intensive server farms and then publish a stupid report.

backblaze bought refurbished(!) seagate drives during the HDD shortage (taiwan flood).
drives without vibration control and not meant for 24/7 use.
these are consumer drives without vibration control.
some are only made for 55TB throughput a year. thatīs around 100 hours workload at full speed.
and they put them into servers....

they also write somewhere in their first report that they used repaired drives too.
because during 2011 (and because of the thailand flood) they could not get enough new drives.

how many of the repaired drives are seagate, how many HGST and WD?
you get no info at all about that.


i donīt know if they changed it in their second report from 2016 (i did not bother to read all of it).
the main problem with the first blackblaze study is the lack of background info they provide.

the 1.5 TB seagate is the oldest drive.

letīs say we have 10000 seagate 1.5 TB drives.
5000 are 6 years old
5000 are 1 year old

average age = 3.5 years.

now say we have 10000 HGST 1.5 TB drives too.
but all of them are 3.5 years ago.

average age = 3.5 years

drives are more likely to fail after 3-4 years (or die an infant death).
in this example both models have the same average age.... but the seagates are more likely to fail.
because half of them are older than 5 years.

if you do statistics, at least provide standard deviation.

what about the actual average throughput before failure?

you see putting out numbers and a bar graph, without some context, makes no real sense.



for some time a french retailer made his RMA rates public published in a french print magazine (donīt know if he still does).
the RMA rates for 2 different years:


RMA RATES 2 TB:

- 1.4% Samsung EcoGreen F3
- 1.6%: WD Caviar GP-AR4 (WD2002FYPS)
- 2.6%: WD Caviar Green (WD20EARS)
- 3.0%: WD Caviar Black (WD2001FALS)
- 3.7% Seagate Barracuda LP
- 3.7%: WD Caviar Green (WD20EADS)
- 5.7% Hitachi Deskstar 7K2000


RMA RATES 2 TB :

- 9.71%: WD Caviar Black WD2001FASS
- 6.87% Hitachi Deskstar 7K2000
- 4.83%: WD Caviar Green WD20EARS
- 4.35% Seagate Barracuda LP
- 4.17%: Samsung EcoGreen F3
- 2.90%: WD Caviar Green WD20EADS

these reports donīt tell you how many units of each model are sold.
but it shows how different such reports can be.

what people tell you about their experience with harddrives is no way to measure HDD (or brand) reliability.

i used for years only seagate drives. so of course only seagate drives could fail me.

now i use WD and HGST too.
i canīt really say one brand is better than the other when it comes to reliability.


and these infamous backblaze reports get posted and copy and pasted on every blogger website without any digging into it.
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Old 22-03-18, 01:13 PM
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AlienALX AlienALX is offline
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Every HDD maker ever has had a few bad drives. When I used to run the shop the Samsung returns were off the charts. Hitachi made the Deathstar and so on. I also had a couple of Maxtor that were bad from the off. Fine until you wrote over 14gb to them (they were 20gb) and then they would die and you would lose all of your data.
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