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Old Dec 21, 2012, 03:43 AM   #1
torana355
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3TB fusion with Windows 7 installed success!!

It took me a few hours but i got it all figured out.

1. I booted into the recovory partition by holding down comand-r on reboot.I then used terminal to split the fusion link using these commands

The required commands are:
(note: you can use diskutil list and diskutil cs list to obtain the volume ID's on your computer)

diskutil cs deleteVolume < insert fusion logical volume ID here >
diskutil cs delete < insert coreStorage logical volume group ID here >

http://cdn.arstechnica.net/wp-conten...fud-ohnoes.jpg

2. installed OSX on the 128GB SSD from the recovery partition using the OSX installer. (i didnt try this but if you made a bootable backup before starting you could skip this step and just boot into the bootable backup and use the disk utility there (you cant use the recovery partitions disk utility as the volumes show up in red)

3. Booted into OSX or a bootable backup and used disk utility to partition the HDD in the correct way to bypass the 2.2TB windows issues using this guide :

You must make 3 partitions for this to work:

The first one will be your OSX partition
The second will be your bootcamp partition ( this must be in Fat 32!!!)
The last one will be a storage partition (you must have this partition for windows to boot, i stored all my movies on there.)

The trick is that the Bootcamp partition has to be in the first 2.2TB of space. What i did was make the OSX partition 500GB, the bootcamp partition 500GB then the storage partion 2TB. Aslong as the first two partitions don't go over 2.2 TB it will work.

4. Rebooted into the recovery partition and Relinked the fusion drive in terminal using this guide, remember to use the full identifier, for example (disk0s2) as the HDD will be partitioned and you only want to fuse the single partion with the ssd. You will fuse the OSX partition from the partitions we just made (mine was 500GB) and the SSD data partition which should be around 120GB http://www.macworld.com.au/help/how-...n-drive-80884/

5. Once the drives are fused back together i reinstalled OSX on the new fusion partition that we just created.

6. Installed windows off a windows 7 install usb. You don't have to use bootcamp at all, you just bootup off the Win 7 usb stick and download the bootcamp drivers from here http://swcdn.apple.com/content/downl...ootCampESD.pkg


Ask if you have any questions.
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Last edited by torana355; Dec 21, 2012 at 02:34 PM.
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Old Dec 21, 2012, 03:54 AM   #2
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I think a lot of people would find a detailed description useful...When you say you "Broke The Fusion Link" how? DU? do they appear as separate drives? I don't get mine until January but I've looked at DU in the 21.5's and the drive appears as one unit.
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Old Dec 21, 2012, 03:57 AM   #3
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I think a lot of people would find a detailed description useful...When you say you "Broke The Fusion Link" how? DU? do they appear as separate drives? I don't get mine until January but I've looked at DU in the 21.5's and the drive appears as one unit.
Using terminal
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Old Dec 21, 2012, 03:58 AM   #4
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Using terminal
Got it....Not planning on BC myself, but good to know it can be done on the larger drives....Report back if you have issues down the line.
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Old Dec 21, 2012, 05:03 AM   #5
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Good to know that it's possible. I've ordered 3TB Fusion Drive so I will be thankful for a full guide
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Old Dec 21, 2012, 05:03 AM   #6
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Got it....Not planning on BC myself, but good to know it can be done on the larger drives....Report back if you have issues down the line.
No worries, i just benched marked my 680mx in windows with zero issues, im currently reinstalling all my apps in OSX
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Old Dec 21, 2012, 07:53 AM   #7
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http://forums.macrumors.com/showthre...1475442&page=2

Search people.
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Old Dec 21, 2012, 07:59 AM   #8
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That thread does not have great instructions either, i will have to spend some time and write out a proper guide on how to do it.
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Old Dec 21, 2012, 10:39 AM   #9
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A few questions about fusion and partitioning (although not actually pertinent to Windows):

If I start out with a fusion drive (128gb SSD + 1tb HDD), can I do the following?

1. Manually "un-fuse" the two drives (yes, I know this can be done), then...

2. PARTITION the 1tb HDD drive into, say, 4 separate partitions (256gb each), then...

3. RE-fuse ONE of the partitions with the SSD drive.

The results should appear on the desktop as:
- fusion drive (SSD + HDD)
- another partition
- another partition
- another partition
(4 disk icons, total)

??
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Old Dec 21, 2012, 10:46 AM   #10
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Originally Posted by Fishrrman View Post
A few questions about fusion and partitioning (although not actually pertinent to Windows):

If I start out with a fusion drive (128gb SSD + 1tb HDD), can I do the following?

1. Manually "un-fuse" the two drives (yes, I know this can be done), then...

2. PARTITION the 1tb HDD drive into, say, 4 separate partitions (256gb each), then...

3. RE-fuse ONE of the partitions with the SSD drive.

The results should appear on the desktop as:
- fusion drive (SSD + HDD)
- another partition
- another partition
- another partition
(4 disk icons, total)

??
Yes that is exactly what you have to do to get around the 2.2TB bootcamp issue.

I have my fusion drive (1 partition of the hdd and the ssd)
a bootcamp partion (another partition on the hdd)
another storage partition (on the hdd)
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Old Dec 21, 2012, 12:05 PM   #11
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Originally Posted by torana355 View Post

The trick is that the Bootcamp partition has to be in the first 2.2TB of space. What i did was make the OSX partition 500GB, the bootcamp partition 500GB then the storage partion 2TB. Aslong as the first two partitons dont go over 2.2 TB it will work.

4. Relinked the fusion drive using this guide, remember to use disk0s2 ect as the HDD will be partitioned. You will fuse the OSX partition from the partitions we just made and the SSD data partition which should be around 120GB http://www.macworld.com.au/help/how-...n-drive-80884/

5. Installed windows off a windows 7 install usb.
[B]

Ask if you have any questions.
Are you saying I could install bootcamp on a 1TB Partition at the end of the drive? which means I essentially have:

2TB Fusion Drive Partition for OSX
1TB Bootcamp partition (Windows and storage together)
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Old Dec 21, 2012, 12:10 PM   #12
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Are you saying I could install bootcamp on a 1TB Partition at the end of the drive? which means I essentially have:

2TB Fusion Drive Partition for OSX
1TB Bootcamp partition (Windows and storage together)
No the Bootcamp partition has to be in the FIRST 2.2 TB of the 3TB drive. You need to have a MINIMUM 800GB data partition at the end of the drive which leaves 2.2TB for the OSX and bootcamp partiton. This works ok as you don't need your movies or music on the fusion drive anyway, it will actually make the fusion drive work better.
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Old Dec 21, 2012, 01:23 PM   #13
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That thread does not have great instructions either, i will have to spend some time and write out a proper guide on how to do it.
You obviously didn't read the thread or you would have found this link.

http://www.twocanoes.com/support/win...0.7)-and-later
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Old Dec 21, 2012, 01:28 PM   #14
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You obviously didn't read the thread or you would have found this link.

http://www.twocanoes.com/support/win...0.7)-and-later
Yes i did read that thread and that link, but that is not the part the OP was missing in that thread, they were missing the part where you have to refuse the partitioned drive back together... You try and use the instructions in that other thread and i bet you cant get it working, trust me i tried
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Last edited by torana355; Dec 21, 2012 at 01:36 PM.
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Old Dec 21, 2012, 01:30 PM   #15
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You obviously didn't read the thread or you would have found this link.

http://www.twocanoes.com/support/win...0.7)-and-later
I think torana355 was referring to the fact that the step by step for using terminal commands to setup the Fusion Break then SSD + Partition Fusion isn't very clear in most of these threads.

The twocanoes guide is basically just for the 3TB drive portion of the work effort.
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Old Dec 21, 2012, 01:34 PM   #16
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I think torana355 was referring to the fact that the step by step for using terminal commands to setup the Fusion Break then SSD + Partition Fusion isn't very clear in most of these threads.

The twocanoes guide is basically just for the 3TB drive portion of the work effort.
Bingo!!!
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Old Dec 21, 2012, 01:39 PM   #17
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I'm eagerly awaiting your step-by-step guide. My system is in route on the 27th, so I'm pretty stoked that you were able to find success in doing this setup!
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Old Dec 21, 2012, 01:52 PM   #18
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This is great info!

Also for similar discussion regarding putting win 7 on the SSD: http://forums.macrumors.com/showthread.php?t=1485175
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Old Dec 21, 2012, 02:10 PM   #19
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I'm eagerly awaiting your step-by-step guide. My system is in route on the 27th, so I'm pretty stoked that you were able to find success in doing this setup!
Ive already updated the OP and put a lot more detail in there, if there is anything you don't understand feel free to ask and i will try to explain it as best i can It really is quite easy and i don't understand command lines at all lol.
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Old Dec 21, 2012, 02:16 PM   #20
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Can you look into figuring out how to run Windows completely off of an external drive? (USB 3 or Thunderbolt?).

I'm just so nervous cutting up drives in terminal etc. when I also have work files on this computer.
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Old Dec 21, 2012, 02:19 PM   #21
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Can you look into figuring out how to run Windows completely off of an external drive? (USB 3 or Thunderbolt?).

I'm just so nervous cutting up drives in terminal etc. when I also have work files on this computer.
Oh the first thing i did before doing ANYTHING was make a fully bootable backup with superduper to an external usb3 drive. That way if anything went wrong i could just let disk utility fuse the drives back together and restore from the backup.

There is already a way to get windows to boot off an external but it much more complicated then this lol.
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Old Dec 21, 2012, 02:21 PM   #22
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Can you look into figuring out how to run Windows completely off of an external drive? (USB 3 or Thunderbolt?).

I'm just so nervous cutting up drives in terminal etc. when I also have work files on this computer.
This has been done already, detailed instructions Here

In Short,

Make a bootcamp usb pen drive with windows & Drivers, create a small (4gb) partition on the internal drive, install windows on the external ssd. pretty straight forward to be honest.

Ste0803
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Old Dec 21, 2012, 02:28 PM   #23
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Good info! I sent my 2012 iMac back, but this solution would've worked well for me since my 2011 iMac has both a 256GB SSD and a 2TB HDD (Macintosh HD and Macintosh HD 2). Setting up the Fusion drive and Windows partition like you described would've helped me migrate everything from my 2011 iMac to my 2012 iMac. I was having trouble getting my two separate drives migrated to the single Fusion drive...I had finally figured it out, but decided to return the computer before the migration was complete. Maintaining two separate HFS partitions would've made things much easier.
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Old Dec 21, 2012, 06:27 PM   #24
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I'm eagerly awaiting your step-by-step guide. My system is in route on the 27th, so I'm pretty stoked that you were able to find success in doing this setup!
I have a step-by-step guide on the procedure I followed. That is to break the fusion drive, repartition the drive and rebuilt the fusion. My performance is absolutely on par in the new setup. Bring your own time machine backup!

http://tmblr.co/ZeDCRyZsh-kC

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Old Dec 21, 2012, 06:59 PM   #25
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This has been done already, detailed instructions Here

In Short,

Make a bootcamp usb pen drive with windows & Drivers, create a small (4gb) partition on the internal drive, install windows on the external ssd. pretty straight forward to be honest.

Ste0803
If i'm understanding this correct, I would have to do BOTH of these processes for it to work, correct? I would STILL need to do bootcamp on an internal drive (this process), as well as do the instructions here: http://forums.macrumors.com/showthread.php?t=1508618.

Correct me if I'm wrong?
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