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This is a sort of followup to a message[^] from Paul (@OriginalGriff) about 7 months ago. He'd posted that he'd bought some 4Tb drives from Amazon at a cheap price, supposedly refurbished, but they arrived 'as new' with warranty cards.
I'm wondering what his experience has been with them so far and how it matches with mine. I'd also be interested if anyone else bought some and what they've found.
In my case, I've previously been using Seagate IronWolf 4Tb drives (model ST4000VN008) in a 6 disk ZFS array (Raidz2, i.e. 2 out of the 6 are effectively parity). The disks were all around 33000 power on hours and one had "failed" according to the SMART data. So I initially bought 2 of these drives, which turn out to be HGST Ultrastar 7K4000 drives. I replaced 2 of the Seagates, bought 2 more HGST drives, replaced 2 more Seagates, bought a final 2 and complete the rebuild of the array.
Then 1 of the HGST drives reported failure. So I sent it back to Amazon for a refund and bought 2 more, intending to keep 1 as a spare. Shortly after that, another failed, so I sent that back for a refund and used up my spare.
Just recently, another drive has reported failure. I enquired via email about the warranty and was told that the company whose name is on the warranty card only sell to the US, so my drive isn't covered as it's a resale. So sent it back to Amazon for a refund and ordered an identical replacement, only now it's double the price.
This one had a manufacturing date on it of October 2016! So I've done a bit of searching and, as far as I can work out, these drives must have been manufactured between 2012 and 2019, but I can't find a way to work out exactly when. HGST was acquired by Western Digital in 2012, but they continued to make HGST drives for a few years.
So these are actually New Old Disks (Old New Disks?) and have presumably been sitting around unused for years - hopefully in reasonable conditions for storage!
I'm beginning to think this may have been false economy and I'd have done better sticking with newer Seagate drives despite the price!
modified 3hrs ago.
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HGSTs will run forever. Unless physically abused are the Toyota of spinner drives.
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Wow! You don't mention purchase dates or failure dates but that seems like A LOT of failures over a short-ish duration!
I have a small 2 disk Synology NAS (running with Synology Hybrid RAID - essentially mirroring) with (2) Seagate ST4000VN000 (4TB) drives. They've been running without so much as a hiccup for a decade now. 
I guess I should consider myself lucky! 
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The HGST drives were bought late October 2023 and early to mid November. The first failure was the first week of December, the second in January and the third about 2 weeks ago.
The Seagate drives were bought in March 2018 and the first failure was October 2023.
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StarNamer@work wrote: Seagate
I'm trying hard - really hard - not to be a cynic and automatically conclude that this is your problem right there.
But, of the 50+ drives I've personally owned over the last few decades, all Seagates are currently dead. Zero exception. All others (WD, HGST, some Toshiba and other brands that are lesser-known as drive makers) have been retired - as in, still work, but now so small in terms of capacity they're not worth using anymore. And I have disproportionally fewer Seagate drives than other brands (based on my experience I'd be insane to keep giving them my money).
Backblaze has been compiling drive failure reports for years now. Their reports never do anything to convince me I'm wrong.
Also - I'd never buy a refurbished drive. Ask yourself: What are the reasons anyone would ever send a hard drive back?
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I was about to say the same thing. I will never buy Seagate again. I had two 1TB drives from them whose drive controllers would just randomly stop working. For months at a time the drives would be invisible to my systems. Then sometimes, they'd decide to work. It wasn't a mechanical problem.
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dandy72 wrote: I'm trying hard - really hard - not to be a cynic and automatically conclude that this is your problem right there.
Re-read his post. If I'm not mistaken he had a failure of 1 Seagate drive, then retired the remaining 5 in favor of HGST which in turn have failed spectacularly.
I had the same opinion towards Seagate as you for the 90s and 00s. I was a huge proponent of all things WD. Then experienced a string of failures on WD drives similar to our OP. I took a big chance trying Seagate in 2014 but they've worked perfectly for 10 years. A small sample I know but...
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Yeah, that's why I said I'm trying real hard not to get my prejudice to get into the way. But like I said, I cannot ignore the yearly Backblaze reports - where they put thousands of drives of all brands to real-world use.
If you've had nothing but good luck with Seagate - obviously I can't dismiss that and I can't tell you you're wrong. 
From my position, I've had good luck with all the WDs I've been purchasing, so I'd have to have some really bad luck to get incentivized again to try another brand...
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FYI:
The HGST drives were bought late October 2023 and early to mid November. The first failure was the first week of December, the second in January and the third about 2 weeks ago.
The Seagate drives were bought in March 2018 and the first failure was October 2023.
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The listing didn't actually say they were refurbished drives. That was just assumed from the price. Since they came with a card which indicated 5 year warranty (which turned out not to be valid outside the US) I concluded the were actually new and just old stock.
I think I've only ever bought something like 20+ drives over the years, but the only 2 I'd had trouble with before the HGSTs was one Seagate (out of about a dozen over the years) and one unbranded drive which came preinstalled in a microserver I bought. It was only 250Gb so I moved it out and put it in an external enclosure which probably shortened its life!
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StarNamer@work wrote: I'm wondering what his experience has been with them so far and how it matches with mine
So, I guess not knowing is driving you crazy. Yeah I know, I'll get my coat. 
StarNamer@work wrote: I'm beginning to think this may have been false economy and I'd have done better sticking with newer Seagate drives despite the price!
Keep in mind, I haven't built a RAID in years. So, my experience is old and crusty, but back in the day Seagates were always known to fail before drives like from WD. I'm sure someone online will get upset and emotional about that, but whatever. Anyway, what time span are you talking here? Assume the warranty was still valid then did all these drive failures happen within a year? If so, that's crazy.
Also assuming prior to this HGST fiasco you didn't have drives failing like popcorn popping in the microwave, which would indicate a problem with your housing... maybe it overheats (which is a big problem), or you're setting your enclosure on top of a large speaker magnet for funzies, etc... Then you might be onto something.
If HGST was acquired by WD in 2012 then it's safe to assume they it was acquired with inventory. Given the fact that we had serious economic trouble in 2007-2008 and inventory can be manufactured a few years before it's actually sold to the customer (depends on the size of the company), or even if manufactured in 2012 maybe they started in 2008 being cheap and continued with it. So, in theory it's possible there was some cheap batches made you were unlucky to get. It's just conjecture though. Either way, might be time to try a different brand.
Side note, Google used to keep a list of which drive brands suck. They go through millions of them and they know. They refused to release that list though as it would effectively put that company out of business... even though in a real free market that can and should happen. Which is to say, the consumer is the last person companies care about these days.
Jeremy Falcon
modified 1hr 20mins ago.
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Jeremy Falcon wrote: Side note, Google used to keep a list of which drive brands suck.
Backblaze isn't shying away from that, and my conclusions seem to match their yearly reports.
RE: HGST...weren't they the ones that had a major flood at their manufacturing plant a decade+ ago, and subsequently had a huge batch of unreliable drives?
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dandy72 wrote: Backblaze isn't shying away from that, and my conclusions seem to match their yearly reports.
Respect.
dandy72 wrote: RE: HGST...weren't they the ones that had a major flood at their manufacturing plant a decade+ ago, and subsequently had a huge batch of unreliable drives?
Dunno. I've been doing cloud everything lately, so me old and crusty with that. Never even heard of HGST until this post. It would explain a lot though.
Jeremy Falcon
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I think HGST used to be a Hitachi brand, and I've purchased external drives from WD, and the drives inside had an HGST label. Even recent ones, so even though they might no longer promote the HGST brand (at least on the box), WD is clearly still using the name internally...
And I don't think I've had any sort of bad failure rate with the drives I have that I know are HGST.
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Or a crackpot idea.
MSN[^]
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It's a crackpot idea, don't get sucked in.
Definition of a burocrate; Delegate, Take Credit, shift blame.
PartsBin an Electronics Part Organizer - Release Version 1.3.1 JaxCoder.com
Latest Article: EventAggregator
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Stop it with link only posts. (grumpy max)
At least copy the title or the summary if there is one.
CI/CD = Continuous Impediment/Continuous Despair
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MSN[^] 18 Reasons Why Men Get Grumpier As They Age
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touché!
CI/CD = Continuous Impediment/Continuous Despair
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2 things:
(a) I see MSN still hasn't lost their habit of spreading their "[N] reasons why XYZ" type of articles over [N+M] pages (where M are just extra ad pages). So make that 19 reasons.
(b) Was there anything in there that was actually unique to men, and could not equally apply to women? Besides, aren't we're all supposed to be gender-fluid now?
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Black holes generating enormous power has been around in science fiction for a while (Arthur C. Clark - Imperial Earth (1976)). More recent in the Star Trek Universe with the Romulan D'deridex-class warbird uses an artificial quantum singularity as a power source for its warp propulsion drive.
from the Wikipedia article ( Black hole starship - Wikipedia[^])
" A black hole weighing 606,000 metric tons (6.06 × 108 kg) would have a Schwarzschild radius of 0.9 attometers (0.9 × 10–18 m, or 9 × 10–19 m), a power output of 160 petawatts (160 × 1015 W, or 1.6 × 1017 W), and a 3.5-year lifespan"
That's a lot of power from a tiny space.
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