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Oh man, I hope this is coming (soon!). I literally just bought a new iMac with a 2TB fusion drive and 32 megs (EDIT: gigs, oops!) of RAM on the premise that this was going to be a feature. I would have gone for an all-SSD internal drive and got the rest as an external drive if I'd have know...

I would rather wait. I am working fine using the existing filesystem. I prefer to wait while it gets used more before switching.
 
Woah. Came here to say that every iMac they currently sell in stores (non custom built orders) come with spinning or fusion drives. So when this comes out every floor model will not be taking advantage of the one huge speed boost they demo'd and are pitching as the main reason for High Sierra's existence.

Typical Apple. In iOS 9 they flaunted single sign on for Cable TV providers. It's iOS 11 now and it still doesn't exist for 95% of cable providers in the country (I get it, this is partially the cable companies issue). Another iOS feature they flaunted is peer to peer payment capabilities, and low and behold, not possible in iOS 11... they say "future update" but yet another example of them announcing a feature that never comes to fruition.

Apple really has seemingly lost their direction. Not sure if it's just that they've gotten too big and too disorganized (I have friends that work there and they say there's no cross-department communication, and people are miserable)... maybe it's just bad leadership at the top. Tim does a lot of good, but he also lacks a lot of the leadership many successful CEOs possess.

One thing that's for certain, supply chain has been abysmal the last couple years (Best Buy had both Macbook and MacBook Pro in stock before Apple stores 2 years ago when they came out). Airpods announced then delayed months. Beats X delayed months.

The software was always the thing we could count on, and now even it seems to be suffering the same issues as the hardware... undelivered promised features...
 
Go for it bro. You aren't hurting anyone but yourself. You're acting like you not upgrading is in some way harming Apple.
Huh? Wouldn't I only be hurting myself by upgrading to High Sierra? It doesn't support my hardware (and many millions of other Mac users too)
 
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I am not understanding whether or not external TB3 SSD data drives can be upgraded to APFS and if so do they need to be wiped and formatted or will the existing data remain intact?
 
Huh? Wouldn't I only be hurting myself by upgrading to High Sierra? It doesn't support my hardware (and many millions of other Mac users too)

High Sierra supports your hardware (and that of millions of other Mac users) just fine. It's just that, for those people with Fusion drives, they will not be converted to APFS. Everything else will still work.
 
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Just read through the support document. Built in SSDs are covered, Fusion and regular HDDs are commented on - wondering on which side of the divine third-party SSDs might fall on. Late 2011 15” MBP here with a 1TB Samsung SSD replacing the original 750GB HDD.

You've got a similar setup to me, except I have a 512GB Samsung SSD. My drive was converted to APFS during the upgrade. I upgraded yesterday.
 
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What about using a external drive with Time Machine for backups? All is the same, I don't need to change anything, because my ssd and backup will have a different format?
 
What gall? All options not being able to use all features of free OS upgrade does not seem to be particularly galling. You can still upgrade and use HPFS+.

Your sarcasm is in bad form. You're insinuating that someone doesn't have a right to complain because the OS is Free. So if you go to McDonalds, and they're running a promotion for a free small fry with every order, and you get it, take it home, and eat it and get sick, does that mean that someone should tell you to shut up because they were free?

The lunacy of Apple is because of people like you.. making it seem like we don't have a right to expect software that delivers on Apple's promised experience. When a company sells an "experience" which is the premium we pay for Mac and iPhone, the users have a right to expect what the company promises of the ecosystem to actually work.

You can go and buy a spec-based Android phone for 1\3 the cost of an iPhone, and it'll run circles around the iPhone. You won't get software updates, and you won't get the new features of a new OS. With Apple, you buy a device knowing there's at least a certain level of longevity to the product. You then watch the announcements and they pitch all the cool new features. They say it'll be available on all Macs made in the last 3 years. Yet the key feature of the OS doesn't work on the Mac you bought 3 weeks ago.
 
Does this effect anything regarding backups? For example, you have an SSD as your boot drive, but use an external mechanical drive for Time Machine.
 
I wonder what the reason is for external drives. I understand fusion can be tricky, but an external or regular HDD drive is just the same concept for the operating system, it's a series of blocks of bytes. Why would it matter?
I remember they mentioned in WWDC that they would not initially convert external drives due to speed concerns, which causes two concerns:
1. Why would the new file system behave SLOWER? what about cloning and all that jazz?
2. Why would they not update INTERNAL spinning drives?

At any case, I think this is the first time I'll actually be waiting for High Sierra 10.13.2 or something. Let others beta-test this one. File systems are scary business.
 
So what you are saying is a file system designed to take advantage of solid state media won't work a drive that isn't completely solid state?

Imagine the backlash if Apple allowed all types of media and made things slower and caused lots of people to lose data.
 
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Classic Tim Cook Apple...

Really?

A key purpose of beta testing is to expose software to a wider range of user configurations than is possible with internal testing. Bugs will be found, and bugs then have to be addressed.

"I tried to install the new OS and I lost all my data" is not anyone's idea of a good result. So if Tim Cook's Apple prefers to hold back a feature until they get it right... what's wrong with that?

I'm one of those Fusion Drive users who did have to do the entire create bootable installer/backup/erase-reformat/install/restore from backup thing. Would I have preferred to leave my Fusion on APFS? Sure, but that comes with the territory if you're a tester. This particular test happens to include a change that may not occur again for decades; a conversion of the file system. If that feature has to be held back from certain hardware configurations, then the installer (GM Candidate) has to be tested on those hardware configurations, to be sure there are no unexpected consequences from that change to the installer's behavior.

Even a small percentage of failed APFS conversions could be a major black eye for Apple, and major problems for those users affected - this is the file system we're talking about, not some new camera effects. Since a fair percentage of computer users don't make backups... That's worth a whole lot of caution on Apple's part.
 
As someone who’s been using APFS on the High Sierra betas on my iMac with a Fusion Drive, I’m very thankful that this isn’t shipping right now. It remains incredibly buggy; I’ve had multiple beta updates get stuck on the boot screen, forcing me to boot into Recovery OS and repair an APFS issue and reinstall macOS.
 
Four of the six standard iMacs currently for sale include a Fusion Drive. What happens when High Sierra is available to all? Will new iMacs ship with the previous macOS or will Apple remove the Fusion Drive altogether? This is a mess. Why on earth did they make the transition if the freakin thing didn't work with current Macs.
 
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Your sarcasm is in bad form. You're insinuating that someone doesn't have a right to complain because the OS is Free. So if you go to McDonalds, and they're running a promotion for a free small fry with every order, and you get it, take it home, and eat it and get sick, does that mean that someone should tell you to shut up because they were free?

The lunacy of Apple is because of people like you.. making it seem like we don't have a right to expect software that delivers on Apple's promised experience. When a company sells an "experience" which is the premium we pay for Mac and iPhone, the users have a right to expect what the company promises of the ecosystem to actually work.

You can go and buy a spec-based Android phone for 1\3 the cost of an iPhone, and it'll run circles around the iPhone. You won't get software updates, and you won't get the new features of a new OS. With Apple, you buy a device knowing there's at least a certain level of longevity to the product. You then watch the announcements and they pitch all the cool new features. They say it'll be available on all Macs made in the last 3 years. Yet the key feature of the OS doesn't work on the Mac you bought 3 weeks ago.

Are you spending hundreds of character to say that it's better to have it now with bugs instead of waiting untill ready?
In that case you can still force it, so problem fixed for you!
 
Some confusion here.

If you have a fusion drive you can still upgrade to HS. but your drive won't be converted to APFS. According to the article, it's likely that a later version of HS will iron out whatever bugs there are, and you will then be able to use APFS on your fusion drive.

If you have a fusion drive and upgraded it to APFS during one of the HS betas, then Apple are saying it's not supported and you should downgrade it back to HFS+. Looking at the link in the article it looks pretty darn complex unless you have a separate drive you can boot off. You could probably ignore the advice and keep APFS on your Fusion drive and risk it. Take very regular backups! Not sure I'd be that brave.
 
Four of the six standard iMacs currently for sale include a Fusion Drive. What happens when High Sierra is available to all? Will new iMacs ship with the previous macOS or will Apple remove the Fusion Drive altogether? This is a mess. Why on earth did they make the transition if the freakin thing didn't work with current Macs.

You are very confused....you can run high sierra with the standard file system...or just wait untill APFS is compatible,..
 
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