expired Posted by citan359 | Staff • Jan 15, 2025
Jan 15, 2025 5:34 PM
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expired Posted by citan359 | Staff • Jan 15, 2025
Jan 15, 2025 5:34 PM
24TB Seagate Expansion Desktop USB 3.0 External Hard Drive
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How did you determine it was SMR? I still haven't seen any evidence to support that claim.
CMR is definitely more desirable than SMR. HAMR is a different aspect. CMR and SMR drives may be HAMR. HAMR is very new and I would consider it unproven.
SMR isn't necessarily terrible for sequential writes. It's (uncached) random writes that are the big problem.
HAMR is Seagate's new technology for packing data more tightly. IMHO, it's too new to really know how things are going to turn out. I wouldn't be surprised if it has growing pains. I have absolutely nothing to back this up but it seemed to me that Seagate's unreliable period (~15-20 years ago) started around when PMR began being implemented.
HAMR is not an alternative to CMR/SMR. They are different things. Both CMR and SMR drives can use HAMR.
They make 20TB Barracudas now
wtf you talking about HAMR has been used right now in data centers not available to consumers 28+TB
https://www.theverge.co
They have been working on HAMR for 2 decades lol
SMR should be avoided at all costs unless you are running these in a desktop as a single drive. They do not belong in a NAS OS such as Unraid , True NAS , Synology , qnap etc. They are garbage and will slow down your entire RAID using ZFS and just die alot quicker
The truth is we don't know what technology is under the hood of some of these odd drives (like the very large "Barracudas"). The laser warning is making people speculate they're HAMR. I think it's very possible that they're de-stroked (head/platter disabled) HAMR drives, running in CMR mode.
jesus just worry about if it is CMR and not SMR
These externals for this deal is CMR
the 20TB that was sold by best buy and on FP slickdeals was a SMR barracuda 20TB
The truth is we don't know what technology is under the hood of some of these odd drives (like the very large "Barracudas"). The laser warning is making people speculate they're HAMR. I think it's very possible that they're de-stroked (head/platter disabled) HAMR drives, running in CMR mode.
Not all CMR drives in the Exos line are HAMR either.
https://www.anandtech.c
The barracudas probably are that were just sold from Best buy that are 20TB
again for the millionth time they are SMR.
These externals for this deal is CMR
the 20TB that was sold by best buy and on FP slickdeals was a SMR barracuda 20TB
The truth is we don't know what technology is under the hood of some of these odd drives (like the very large "Barracudas"). The laser warning is making people speculate they're HAMR. I think it's very possible that they're de-stroked (head/platter disabled) HAMR drives, running in CMR mode.
Not all CMR drives in the Exos line are HAMR either.
pipeline that seagate released shows HAMR being used in 14-20TB drives going back to 2019
they are CMR enterprise rated drives. And you can have CMR/HAMR tech in the same drive
Qualification and revenue ramp plans for our 30-plus terabyte products remain fully on track with high-volume ramp starting early in calendar 2024," said Dave Mosley, chief executive of Seagate, during conference call with financial analysts and investors. " These drives deliver capacity starting at 30 terabytes and offer customers the same flexibility to adopt either CMR or SMR configurations to further boost aerial density into the mid-30TB range."
LOL seriously dude go do more research
they have been testing this technology for 20 years now and data centers are way beyond you as a consumer
We even had a guy on here post that he works at a data center and never had issues with seagate enterprise drives they are equally as good as WD
I also run over 1 PiB of enterprise WD and Segate EXOs and im sure you wont even be close to managing that much data by 2032 in a home lab.
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wtf you talking about HAMR has been used right now in data centers not available to consumers 28+TB
https://www.theverge.co
They have been working on HAMR for 2 decades lol
I don't care how long they've been working on HAMR. I care how long it's been in widespread service. From what I've read, the longest they've been in use (even in data centers) is about a year. I still consider the technology in its infancy. I've only really become confident in the longevity of helium drives in the last few years, and those have been out for over a decade.
That's what you said, now you are claiming it's not new tech. Dude, make up your mind and stop going back and forth. Do some more research if you have no clue what you're talking about. Going off 1 person's data center anecdote when we don't even know which drives they use is just plain stupid to rely on or use as a factual basis of longevity. Look up how statistics work before you try to act like you know anything lol.
Absolutely no one cares what you manage if you then go back and forth on claims that have little factual basis and when asked to get a pic of a drive that is specifically being discussed your reply is "hurr durr I can't take a pic because it's in my unRaid server..." lmao
Doesn't matter if someone manages 20 data centers if their experience is not relevant to the conversation/product. If you bought 1 single 24TB EXOs drive and it doesn't use HAMR technology and on top of that you have 0 data to backup that HAMR is a proven technology (besides assumptions) then your claims are just opinions, nothing more.
Anyone can claim anything, I run 2 PB which is more than your 1PiB so there, come on now don't be a child. You mentioned the 1 PiB thing like at least 4 different times in this thread, it doesn't come off the way you think it does.
The reason I ask is I have only bought BB easystores. Have them shipped as it is very rare I am on the side of town where the local BB is located. Plus being in a township I don't have to pay the 0.75% city sales tax.
But if there are problems I can return/exchange at the local BB. This happened once years ago with a 10TB easystore. Something plastic broke loose, rattled when I rotated the box around.
I didn't even bother opening the box, went to BB and exchanged it. Replacement was fine.
It will be a massive pain if something similar happens with an external I have to ship back.
(It is doubtful the 24TB easystores will ever get anywhere close to this price anytime soon. I am very glad I got a couple of those $199.99 18TB easystores in November 2023. They haven't been at that price since.)
(And I don't understand all the complaints about Micro USB, not everybody has USB-C.)
(And as I write this, they are Back-Ordered at B&H.)
I don't care how long they've been working on HAMR. I care how long it's been in widespread service. From what I've read, the longest they've been in use (even in data centers) is about a year. I still consider the technology in its infancy. I've only really become confident in the longevity of helium drives in the last few years, and those have been out for over a decade.
like i said i am evidence i bought one at best buy on the FP
go argue with someone else you are beyond help
That's what you said, now you are claiming it's not new tech. Dude, make up your mind and stop going back and forth. Do some more research if you have no clue what you're talking about. Going off 1 person's data center anecdote when we don't even know which drives they use is just plain stupid to rely on or use as a factual basis of longevity. Look up how statistics work before you try to act like you know anything lol.
Absolutely no one cares what you manage if you then go back and forth on claims that have little factual basis and when asked to get a pic of a drive that is specifically being discussed your reply is "hurr durr I can't take a pic because it's in my unRaid server..." lmao
Doesn't matter if someone manages 20 data centers if their experience is not relevant to the conversation/product. If you bought 1 single 24TB EXOs drive and it doesn't use HAMR technology and on top of that you have 0 data to backup that HAMR is a proven technology (besides assumptions) then your claims are just opinions, nothing more.
Anyone can claim anything, I run 2 PB which is more than your 1PiB so there, come on now don't be a child. You mentioned the 1 PiB thing like at least 4 different times in this thread, it doesn't come off the way you think it does.
go look at the pipeline on seagate articles and go learn some more you are beyond help
The technology has been improving and started almost 20 years ago
a simple google search will net you all the answers. You are just here to argue with people. This is the last time i will repond because it is like talking to a wall with you.
he basic principle of heat-assisted magnetic recording (HAMR) was patented in 1954. However, it wasn't until 2023 that HAMR technology was finally commercialized.
History of HAMR
1954: RCA engineers filed a patent for the basic principle of HAMR
2006: Fujitsu proposed HAMR technology
2012: Seagate demonstrated a prototype of HAMR at the Magnetic Recording Conference
2019: Seagate showcased HAMR technology at the Consumer Electronics Show (CES)
2022: Select customers saw qualification samples of HAMR
2023: Seagate shipped its first commercial HAMR-based hard drives
https://www.anandtech.c
they are CMR enterprise rated drives. And you can have CMR/HAMR tech in the same drive
Qualification and revenue ramp plans for our 30-plus terabyte products remain fully on track with high-volume ramp starting early in calendar 2024," said Dave Mosley, chief executive of Seagate, during conference call with financial analysts and investors. " These drives deliver capacity starting at 30 terabytes and offer customers the same flexibility to adopt either CMR or SMR configurations to further boost aerial density into the mid-30TB range."
EXOs
Source [anandtech.com]
The Seagate Exos X24 3.5-inch helium-filled hard drive family includes 12 TB, 16 TB, 20 TB, and 24 TB models, which are built using up to 10 2.4 TB platters. Seagate's platters feature perpendicular magnetic recording (PMR) and heads utilizing two-dimensional magnetic recording (TDMR) technology (to minimize adjacent track interference and ensure reliable reading at high track pitch densities). In addition, Seagate offers a sole 28 TB SMR version of the Exos X24 to select cloud customers who can self-manage shingled recording in their datacenters.
"So, we have a 24TB coming out soon, next few months, you will see it," said Romano. "That is the last PMR product. So I would say [higher] capacity point above 24TB PMR, that is probably 28TB SMR."
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like i said i am evidence i bought one at best buy on the FP
go argue with someone else you are beyond help
I'm more than happy to end this discussion. I didn't ask for any help. The only reason I continued with this discussion is to help others that may be confused by your baseless claims.
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