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hmmm. I fail to install Windows on the partition as well. I formated with diskutil as FAT32 (MS-DOS). The first time booting of the USB drive (generated using DVD/USB tool from windows) it reformatted that partition to NTFS. I can see that in Disk Utility.app in Mac OS X. So the installation of windows -before- restiching might be essential to the success.

I get the same error messages as DigitalDream.

"No Device drivers were found. Make sure that the installation media contains the correct drivers, and then click Ok"

and

"Windows is unable to install to the selected location, error 8x80300001"

I saw this thread and tried the trick of the last post (Xavy Nandez on Monday, December 03, 2012 8:59 PM) without success.

I also heard something of the maximum amount of primary partitions (limit to 4) on a disk on which Windows might install. With the installation of Mac OS X an extra Boot partition was added.

There are only two things i can see that you did different to me, firstly you did not delete the logical volume and the fusion volume when you original broke your fusion drive. Secondly i didn't fuse the last mac partition , i left it for storage. Besides those two things i did everything the same and mine works (i was playing Far Cry 3 all day :))

Edit: what version of windows are you trying to install? i used windows 7 ultimate.

Could you make a screenshot of what disk utility looks like in OSX in the partition tab? I have a feeling fusing that last partition will move the bootcamp partition past the 2.2TB limit.
 
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There are only two things i can see that you did different to me, firstly you did not delete the logical volume and the fusion volume when you original broke your fusion drive. Secondly i didn't fuse the last mac partition , i left it for storage. Besides those two things i did everything the same and mine works (i was playing Far Cry 3 all day :))

Edit: what version of windows are you trying to install? i used windows 7 ultimate.

Ironic that Far Cry 3 was the main reason to install windows and soup up the graphics options on the iMac :D.

It seems to point down to storage drivers on the W7 USB disk. The W7 USB disk is built from: en_windows7_professional_withsp1_x64_dvd_u_676939.iso. That is W7 Professional 64 bits with SP1 slipstreamed inside. From what iso did you built your USB stick?

You did not have any issues with drivers? I also seems that the Boot Camp assistant on my iMac (the source of drivers, including the storage drivers) does not want to download drivers (as in cannot locate them)
 
Ironic that Far Cry 3 was the main reason to install windows and soup up the graphics options on the iMac :D.

It seems to point down to storage drivers on the W7 USB disk. The W7 USB disk is built from: en_windows7_professional_withsp1_x64_dvd_u_676939.iso. That is W7 Professional 64 bits with SP1 slipstreamed inside. From what iso did you built your USB stick?

You did not have any issues with drivers? I also seems that the Boot Camp assistant on my iMac (the source of drivers, including the storage drivers) does not want to download drivers (as in cannot locate them)

en_windows_7_ultimate_with_sp1_x64_dvd_u_677332.iso
That is the iso i used. I had zero issues with drivers, you cant use bootcamp to get the drivers on the 3TB fusion iMac you have to download them from here

Also Could you make a screenshot of what disk utility looks like in OSX in the partition tab? I have a feeling fusing that last partition will move the bootcamp partition past the 2.2TB limit.
 
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Also Could you make a screenshot of what disk utility looks like in OSX in the partition tab? I have a feeling fusing that last partition will move the bootcamp partition past the 2.2TB limit.

Here is the current list of volumes from diskutil list

Code:
/dev/disk0
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *121.3 GB   disk0
   1:                        EFI                         209.7 MB   disk0s1
   2:          Apple_CoreStorage                         121.0 GB   disk0s2
   3:                 Apple_Boot Boot OS X               134.2 MB   disk0s3
/dev/disk1
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *3.0 TB     disk1
   1:                        EFI                         209.7 MB   disk1s1
   2:          Apple_CoreStorage                         499.4 GB   disk1s2
   3:                 Apple_Boot Boot OS X               650.0 MB   disk1s3
   4:       Microsoft Basic Data                         500.0 GB   disk1s4
   5:          Apple_CoreStorage                         2.0 TB     disk1s5
   6:                 Apple_Boot Boot OS X               134.2 MB   disk1s6
/dev/disk2
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                  Apple_HFS Macintosh HD           *2.6 TB     disk2

I attached a screenshot of Disk Utility, 500 GB drive is formatted as NTFS.

I am trying the following guide as well as a kind of last resort. Else I remove the 2TB 'data' drive from the fusion set to see if that works (need to reinstall Mac OSX for that)
 

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Got it working by following this guide generally: http://dice.neko-san.net/2012/12/how-to-install-boot-camp-on-a-3tb-fusion-drive-mac/

It involves to setup a Windows partition as the 'first' on the harddisk, making the rest of the disk available for Mac OSX and the fusion drive.

So do we now think that doing 1- EFI, 2- bootcamp, 3- coreStorage is easier/ better than doing the split partitions for OsX? My 3TB Fusion iMac arrived today... will be messing with it tonight

As long as Windows is in the first 2TB it does not matter where OsX is? And we can link the Fusion SSD with which ever partion we want... just checking !
 
So do we now think that doing 1- EFI, 2- bootcamp, 3- coreStorage is easier/ better than doing the split partitions for OsX? My 3TB Fusion iMac arrived today... will be messing with it tonight

As long as Windows is in the first 2TB it does not matter where OsX is? And we can link the Fusion SSD with which ever partion we want... just checking !

Some people are having issues doing it certain ways, i did the (OSX/WINDOWS/STORAGE PARTITION) method and left the storage partition for my videos and it worked perfectly.
 
Affirm, first real partition is the win for me (say ~500GB), rest (say ~2.5 TB) is combined with the ssd as Fusion drive.

Thank you for the clarification. I will try it this way. Planning on formatting Windows as NTFS and Mac as HFS+. I do not have windows right now, might try that install next week, but i want to get the drive partitioned so I can set up my Mac side.

Should be no problem leaving the NTFS partition (without installing Windows yet) for now, right?
 
What is the difference between Bootcamp and Paralells? Will it not work with Paralells either??:(

Parallels will have no problems. Parallels can even use a Fusion drive and files used in Parallels will be optimised just as files in MacOS X.
 
Interesting solution, i hope Apple fix the 3tb issue officially, otherwise I'll keep in mind this solution :apple:
 
Should be no problem leaving the NTFS partition (without installing Windows yet) for now, right?

Diskutil cannot format the drive NTFS, it will (with the provided commands in the various posts) format it in fat32 mode. The trick in the end is not OS X, but installing windows on you machine. For that part I went to throught the final part of this guide: http://dice.neko-san.net/2012/12/how-to-install-boot-camp-on-a-3tb-fusion-drive-mac/

Place close attention to the methods presented there to format the drive in NTFS using SHIFT-F10 command screen, reboot into the windows installer again and then install windows on the NTFS partition.
 
Thank you. I did it in fat32. My iMac showed up with 14 disks! No idea why. My fusion was disk3 . So I worked around what was there. Check this out !
 

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Install Windows to Thunderbolt drive?

Hi all,
I read on the web that it was possible to install Windows to a thunderbolt drive, so this is what I tried when I discovered that my 3 TB iMac could not have Windows installed on it. However I still face the same error message as before when I run the bootcamp assistant. Any experience with installing Windows to a thunderbolt drive?
 
Hi all,
I read on the web that it was possible to install Windows to a thunderbolt drive, so this is what I tried when I discovered that my 3 TB iMac could not have Windows installed on it. However I still face the same error message as before when I run the bootcamp assistant. Any experience with installing Windows to a thunderbolt drive?

You cant use bootcamp to do it, you need to boot directly off a Windows install USB stick, you also need to have a small fat32 partition on the internal HDD for the windows boot sector.
 
Hi all,
I read on the web that it was possible to install Windows to a thunderbolt drive, so this is what I tried when I discovered that my 3 TB iMac could not have Windows installed on it. However I still face the same error message as before when I run the bootcamp assistant. Any experience with installing Windows to a thunderbolt drive?

I just yesterday installed Windows 8 to an external Samsung 840 Pro SSD on a Seagate GoFlex ThunderBolt adapter connected to my new iMac. It installed fine, the Apple drivers installed, and it is booting and running fine.

There is an excellent thread detailing how exactly to do it over on the Windows on Mac forum here at MacRumors by "Superangel Mac":

https://forums.macrumors.com/threads/1508618/

Good luck ....

-howard
 
People who use boot camp, how much hard drive space is good to partition to boot camp if you're starting with say a 1TB fusion drive?

If I were to just use boot camp to play just a couple of games (Metro Last Light when it comes out I'm thinking).

Would something like 20gb-25gb be good enough?
 
People who use boot camp, how much hard drive space is good to partition to boot camp if you're starting with say a 1TB fusion drive?

I have Windows 7 up and running on this machine, just installed Call of Duty Black Ops 2 - 42GB used right now. It was really something getting it running on the 3TB fusion, but it works !!

----------

.
 
Which guide did you use?

http://dice.neko-san.net/2012/12/how-to-install-boot-camp-on-a-3tb-fusion-drive-mac/

I used this guide mostly. My partitions are pictured above. Did windows chunk first , Mac OS at the end. Fusion drive works great in Mac OS.

Did the EFI update so we had the "option" to start off the stick, before starting the windows install. It gave the "boot device invalid or damaged". Error but my PC wizard friend fixed it. Windows 7 pro 64 was used.

Also it was tricky getting the boot camp drivers installed because the thing said that it was the wrong computer or something. Had to manually install each driver one by one, and that worked. Found a great 680mx driver elsewhere on this forum. http://www.geforce.com/drivers/results/54629
That really helped.
 
http://dice.neko-san.net/2012/12/how-to-install-boot-camp-on-a-3tb-fusion-drive-mac/

I used this guide mostly. My partitions are pictured above. Did windows chunk first , Mac OS at the end. Fusion drive works great in Mac OS.

Did the EFI update so we had the "option" to start off the stick, before starting the windows install. It gave the "boot device invalid or damaged". Error but my PC wizard friend fixed it. Windows 7 pro 64 was used.

Also it was tricky getting the boot camp drivers installed because the thing said that it was the wrong computer or something. Had to manually install each driver one by one, and that worked. Found a great 680mx driver elsewhere on this forum. http://www.geforce.com/drivers/results/54629
That really helped.

Cool, i did it my own way but was curious which way most people are doing it. That method seems like the easiest to do.
 
I have Windows 7 up and running on this machine, just installed Call of Duty Black Ops 2 - 42GB used right now. It was really something getting it running on the 3TB fusion, but it works !!

----------

.

42GB just to install Black Ops 2!?
 
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