A big thank you Howard, owing to your help i'm now running my 1TB FD with dual OSX/Bootcamp booting off the SSD with 700GB of the HD in Fusion with the OSX part of the SSD, and the rest of the HDD available to Windows. Would not have managed it without this thread, so thanks again to you all!
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Disable Fusion Drive
- Thread starter seniorchang
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hfg
macrumors 68040
You're welcome ... I'm glad that this info may have helped you find success! 🙂
Enjoy your new iMac.
Merry Christmas to you and the rest of the forum... 🙂
-howard
ok, i was able to split fusion drive.
Next, has anyone tried to upgrade the SSD to a bigger one?
Next, has anyone tried to upgrade the SSD to a bigger one?
Lancer
macrumors 68020
Interesting for those who want Fusion but don't want to spend $300 on the Apple one in the new Mac Mini.
Can I ask why people want to split them up?
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When working with big files such as video im talking abunch of 10Gb video files on a single project is better not to have the os moving files from here to there. it is better for me to select for example.coded footage on the hdd an uncompresse bits and.pieces on the ssd. And so on... My imac hasnt arrived yet but unfusing the drive is one of the first things i will do.
Lancer
macrumors 68020
Fair enough but wouldn't it be better to just use an external drive via USB3 or TB?
I have yet to try a usb3 drive witha usb3 capable mac for hd playback and editing. as far as thunderbolt goes it is still a bit expensive.
Fishrrman
macrumors Nehalem
From the number of postings I've seen regarding "splitting" and "re-creating" fusion drives, it's apparent that Apple was woefully negligent in introducing the "fusion concept" without an adequate utility to MANAGE fusion. They could at the very least have upgraded Disk Utility to give the end user the power to create or separate fusion drives as needed. (Aside: to those who would respond by saying "why would you need to do that?", whatever happened to "the POWER to be your best?")
I see a big opportunity for a software developer to jump into this frey with a suite of "fusion utilities" that would give an end user "full control" over creating and un-creating fused drives, partitioning the hd portion of the fusion drive, etc.
I see a big opportunity for a software developer to jump into this frey with a suite of "fusion utilities" that would give an end user "full control" over creating and un-creating fused drives, partitioning the hd portion of the fusion drive, etc.
Lancer
macrumors 68020
They did upgrade Disk Utility but Apple being Apple they don't want you to tinker with Fusion.
But I do agree the ability for the end user to decide would be nice, especially those with a Mac that can easily have a 2nd HDD added like some 2011 iMac's, the Mini and Pro it would be great to be able to create a Fusion drive if needed without shelling out for the $300 upgrade from Apple.
ok so i do audio not video, im a little concern after splitting fusion drive, that I might full the SSD pretty soon with applications and files/libraries that have to be on the disk where your OS is installed. how you gonna deal with this ?😕
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I do video and after installing all my apps I still have 97GB free on the SSD. A big benefit for un-fusing is that you can use the spinning disk for scratch and SSD for osx / applications. Footage on external thunderbolt. This machine is raging with Davinci Resolve!
Thats great to know I was worried about filling the SSD with my apps but not anymore!
Quick question, what do you mean by "use the HDD for scratch"?
I was going to do this and then it occurred to me.... why not partition the hard drive to the smallest space possible for the OSX partition.
That way I can control what is on the SSD and the normal HDD without having to disable it. So I can still keep the speed of the fusion drive.
Please correct me if you read this and my logic is wrong as I thought it was worth a try.
I partitioned the drive into a 200GB and 800GB sections.
I did try to partition it to 124GB but OSX wouldn't let me.
What that did was leave me with 60GB on the HDD plus the 128GB SSD and all the rest of the HDD as the other partition.
I then moved my iTunes library to the HDD so the combined usage on my fusion drive/HDD is only 90GB leaving everything on the SSD that I would use most of the time, and in theory the HDD will only be used when I'm watching media which then won't bother me with extra noise as I'll have the speakers on but in normal browsing it should be totally silent...plus I still get the smart caching of files as the fusion is still operating and has some normal HDD space available.
Does that make sense?
That way I can control what is on the SSD and the normal HDD without having to disable it. So I can still keep the speed of the fusion drive.
Please correct me if you read this and my logic is wrong as I thought it was worth a try.
I partitioned the drive into a 200GB and 800GB sections.
I did try to partition it to 124GB but OSX wouldn't let me.
What that did was leave me with 60GB on the HDD plus the 128GB SSD and all the rest of the HDD as the other partition.
I then moved my iTunes library to the HDD so the combined usage on my fusion drive/HDD is only 90GB leaving everything on the SSD that I would use most of the time, and in theory the HDD will only be used when I'm watching media which then won't bother me with extra noise as I'll have the speakers on but in normal browsing it should be totally silent...plus I still get the smart caching of files as the fusion is still operating and has some normal HDD space available.
Does that make sense?
Hey guys I need some help! This will likely take some smart thinking to fix. 🙁
I got a fusion iMac today. I've installed OS X on a Thunderbolt SSD, and I wanted to install Windows on the Fusion disk, but on the SSD portion.
So, I have OS X running just fine on the external SSD.
I have the fusion 1.1TB disk separated, and have successfully installed Windows 7 on just the SSD. Now, I separated the remaining 1TB drive into two partitions, one for OS X, and one in NTS for Windows.
I have no issues in Bootcamp and can see that 500GB NTFS partition no problem.
However, I run Parallels in OS X but cannot access the NTFS portion of the 1TB drive in Parallels. I wanted to unmount the NTFS disk in OS X and then mount it in Windows 7 in Parallels, but after ejecting the disk I can't re-mount it because of course Disk Utility wants to "fix" the fusion drive.
Is there a way to get this NTFS portion of the 1TB disk to connect in Parallels in some way? I really need to be able to read AND write to it in Parallels! Gah!
ANY help appreciated!
Thank you!
I got a fusion iMac today. I've installed OS X on a Thunderbolt SSD, and I wanted to install Windows on the Fusion disk, but on the SSD portion.
So, I have OS X running just fine on the external SSD.
I have the fusion 1.1TB disk separated, and have successfully installed Windows 7 on just the SSD. Now, I separated the remaining 1TB drive into two partitions, one for OS X, and one in NTS for Windows.
I have no issues in Bootcamp and can see that 500GB NTFS partition no problem.
However, I run Parallels in OS X but cannot access the NTFS portion of the 1TB drive in Parallels. I wanted to unmount the NTFS disk in OS X and then mount it in Windows 7 in Parallels, but after ejecting the disk I can't re-mount it because of course Disk Utility wants to "fix" the fusion drive.
Is there a way to get this NTFS portion of the 1TB disk to connect in Parallels in some way? I really need to be able to read AND write to it in Parallels! Gah!
ANY help appreciated!
Thank you!
hfg
macrumors 68040
When running Windows under Parallels, all of your I/O is actually going through OS X, so you can't normally write to NTFS drives. You can get NTFS drivers for OS X which will allow writing to the NTFS partition, or create a FAT32 or ExFat partition to share your data on.
-howard
OK so I can't figure out how to reformat to ExFat. I can't do it in Disk Utility since it's not letting me (just wants to fix the fusion disk), and I can't seem to do it in Windows since Format only gives me the NTFS option.
Any other ideas? Thanks.
*EDIT*
Managed to format the drive via the command prompt in Windows 7. It's never easy...
FYI, this command did it:
FORMAT E: /FS:exFAT /q
(where "E:" is your drive letter.)
As a side-note, is there a way to password protect Disk Utility? I'm TERRIFIED someone will click on one of the disks in red, and hit FIX. At which point I'll lose my photos, my Windows 7 installation, and all my games (on the ExFAT drive). That's a lot to lose in one click!
Any other ideas? Thanks.
*EDIT*
Managed to format the drive via the command prompt in Windows 7. It's never easy...
FYI, this command did it:
FORMAT E: /FS:exFAT /q
(where "E:" is your drive letter.)
As a side-note, is there a way to password protect Disk Utility? I'm TERRIFIED someone will click on one of the disks in red, and hit FIX. At which point I'll lose my photos, my Windows 7 installation, and all my games (on the ExFAT drive). That's a lot to lose in one click!
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hfg
macrumors 68040
Hi WilliamG...
I believe you can use Terminal "Diskutil" commands to do anything that Disk Utility would do for the things you mentioned above. The Terminal will not try to force a Fusion re-join as Disk Utility seems to do (Apple needs to stop that action in the next public release).
Here is some documentation about "DiskUtil" you may want to look over, you can also get brief help from within terminal by just typing the command with no options and it will show you what options are available.
DiskUtil Manual Page from Mac Developer Library:
http://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man8/diskutil.8
I believe you can use Terminal "Diskutil" commands to do anything that Disk Utility would do for the things you mentioned above. The Terminal will not try to force a Fusion re-join as Disk Utility seems to do (Apple needs to stop that action in the next public release).
Here is some documentation about "DiskUtil" you may want to look over, you can also get brief help from within terminal by just typing the command with no options and it will show you what options are available.
DiskUtil Manual Page from Mac Developer Library:
http://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man8/diskutil.8