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Windshadow99 Author

Level 1

34 points

More boot camp problems new 5k imac 3 tera fusion drive

there seems to be problems with Yosemite and boot camp assistant

i'm cross posting this to the iMac forum but I spent hours online with apple tech today and none of the several foks I talked to there had even seen a 5k 27" yet and my call back from Cupertino and engineering is no till tomorrow so I thought I should post here too

MMy bto 5k shipped from China sunday night and arrived in Maine this morning.... Amazing when you think about it for a bto

iinstallation and set up we're going fine and I started up boot camp assistant to create a temp boot camp while I wait for my thunder bay 4 box to take the drives for my old Mac pro when boot camp will have a1 tera SSD all to itself....

so carved off a 700 gig boot camp partition which the assistant formatted fat I then plugged is the lighting to FW adapter in a LaCie 2 tera fw 800 drive to act as a bridge to my LaCie DVD burner which uses the old fw400 cables and inserted my new shrink wrap win 8.1 retail 64 DVD and up comes the win 8 install in very tiny type in a tiny window which got a bit of a laugh out of me.

And I go through it to the point of selecting that boot camp partition and then said it could not use a fat partition and I should reformat it from the win 8.1 installer which I did and then it said it could not use and unknown partition so I said great and booted back to 10-10 and the boot camp tool to put things back and it said it could not I then went to disk tools and it also said the 3tera fusion could not be either reformatted or put back to a single partition I was on with tech support where I went up through 4 levels of support due to the 5k bto which most had no knowledge of. We tried the optioncommand r to get to DT and the same problem as did going to reinstall from the net which after a 30 min down load could not reformat either it is now kicked to Cupertino with a call back tomorrow

( At this point all I want to do is put the computer back in the condition it was in when i started with a plain Yosemite on an unpartitioned 3 tera fusion... Then deal with boot camp when it can have its own drive)

am betting it will take a Unix comand line to reformat but be aware there may be boot camp issues with my configuration

and any help here will be great fully received

iMac, OS X Yosemite (10.10)

Posted on Oct 21, 2014 4:04 PM

Top-ranking reply

Loner T

Level 9

59,513 points

Posted on Oct 21, 2014 6:04 PM

There is a much easier and cleaner method on the new iMac 5K, because it is a full UEFI machine and Windows 8.1 is UEFI compliant. The traditional bootcamp Hybrid MBR is a travesty on such a beautiful machine.

Please see this thread - Re: Problem installing Windows (7, 8.0, 8.1) on BOOTCAMP - Mavericks.

Initializing the internal disk may not be necessary at all but Command+Opt+R and DU is needed, if you really need to initialize the internal Fusion HD.

This thread can help you initialize the internal drive - Re: Can't format former Boot Camp partition

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138 replies

Loner T

Level 9

59,513 points

Oct 22, 2014 9:48 AM in response to Windshadow99

As long as your happy with the Free Space size, we can go to the next step.

This step creates a new CS volume using the whole SSD and the 2.4TB HDD Part1.

diskutil cs create OSX-FusionLVG disk0s2 disk1s2

Once complete, verify that these two show when diskutil cs list is complete. The order is important, because the first disk should be your SSD. This will generate a new UUID (long string). Please post the output of diskutil cs list.

Windshadow99 Author

Level 1

34 points

Oct 22, 2014 9:54 AM in response to Loner T

-bash-3.2# diskutil cs create OSX-FusionLVG disk0s2 disk1s2

Started CoreStorage operation

Unmounting disk0s2

Touching partition type on disk0s2

Adding disk0s2 to Logical Volume Group

Unmounting disk1s2

Touching partition type on disk1s2

Adding disk1s2 to Logical Volume Group

Creating Core Storage Logical Volume Group

Switching disk0s2 to Core Storage

Switching disk1s2 to Core Storage

Waiting for Logical Volume Group to appear

Discovered new Logical Volume Group "153ED13B-3675-40D1-9469-2E1A3B4167EC"

Core Storage LVG UUID: 153ED13B-3675-40D1-9469-2E1A3B4167EC

Finished CoreStorage operation

-bash-3.2# diskutil cs list

CoreStorage logical volume groups (1 found)

+-- Logical Volume Group 153ED13B-3675-40D1-9469-2E1A3B4167EC

=========================================================

Name: OSX-FusionLVG

Status: Online

Size: 2520988852224 B (2.5 TB)

Free Space: 2515133595648 B (2.5 TB)

+-< Physical Volume E5B22231-71E8-49A0-B823-C9CDD51DBB36

| ----------------------------------------------------

| Index: 0

| Disk: disk0s2

| Status: Online

| Size: 120988852224 B (121.0 GB)

+-< Physical Volume 4AA11193-404F-4A0B-A0BF-8815703F35F1

----------------------------------------------------

Index: 1

Disk: disk1s2

Status: Online

Size: 2400000000000 B (2.4 TB)

-bash-3.2#

Loner T

Level 9

59,513 points

Oct 22, 2014 10:10 AM in response to Windshadow99

Excellent work so far W.

The next step creates a volume and allocates 100% to the Macintosh HD volume (2.4TB).

diskutil coreStorage createVolume 153ED13B-3675-40D1-9469-2E1A3B4167EC jhfs+ "Macintosh HD" 100%

Once you have the volume, exit out of terminal and install Yosemite and use "Macintosh HD" as the destination.

Windshadow99 Author

Level 1

34 points

Oct 22, 2014 10:15 AM in response to Loner T

ok done and now the instal option from this on line recovery system should take about 30 min on my cable modem

-bash-3.2# diskutil coreStorage createVolume 153ED13B-3675-40D1-9469-2E1A3B4167EC jhfs+ "Macintosh HD" 100%

The Core Storage Logical Volume Group UUID is 153ED13B-3675-40D1-9469-2E1A3B4167EC

Started CoreStorage operation

Waiting for Logical Volume to appear

Formatting file system for Logical Volume

Initialized /dev/rdisk3 as a 2 TB case-insensitive HFS Plus volume with a 196608k journal

Mounting disk

Core Storage LV UUID: 2F8B1E82-11CC-4B2F-9AE8-A03854BF4E1E

Core Storage disk: disk3

Finished CoreStorage operation

-bash-3.2#

Loner T

Level 9

59,513 points

Oct 22, 2014 10:19 AM in response to Windshadow99

Once Yosemite is installed, please reboot and verify that it will work correctly. Please verify the output of diskutil cs list and ensure it has not changed in anyway from what you posted earlier, except used up space, which will be you Yosemite OS.

Next, after that, we will install W8.1 using EFI on the 600GB HDD partition. You are almost there. 😉

Windshadow99 Author

Level 1

34 points

Oct 22, 2014 10:19 AM in response to Windshadow99

CCan I recover the new computer setup system that launche when I turned the computer on for the first time? It was very convenient

Loner T

Level 9

59,513 points

Oct 22, 2014 10:21 AM in response to Windshadow99

You can use Yosemite Recovery using Command+R or Internet Recovery using Command+Opt+R. Once Yosemite is installed, I would highly recommend a Time Machine backup for future baseline recovery, on an external disk, if possible.

Windshadow99 Author

Level 1

34 points

Oct 22, 2014 10:28 AM in response to Loner T

ok many may thanks it is doing the Internet recovery and 25 min remaining

time for lunch😎 and I will do as you say and give a Tm backup to the 2 tera external

😁

I Sure do wonder what caused all this problem in the first place

Loner T

Level 9

59,513 points

Oct 22, 2014 10:39 AM in response to Windshadow99

Windshadow99 wrote:

I Sure do wonder what caused all this problem in the first place

In one word - "Yosemite". 😉

Loner T

Level 9

59,513 points

Oct 22, 2014 11:16 AM in response to Loner T

Love your sense of humor. 😎

Windshadow99 Author

Level 1

34 points

Oct 22, 2014 12:13 PM in response to Loner T

IIt seemed to fit👿

asside from the new user setup assistant not accepting my wifi password (I ran an Ethernet cable to the router.) double checked on other stuff by dropping and reconnecting to wifi that nothing is wrong something to look at later I guess

ready to to move on

Loner T

Level 9

59,513 points

Oct 22, 2014 12:16 PM in response to Windshadow99

Is OSX running as you want it? If yes, run Bootcamp Assistant and use the W8.1 DVD to create the USB+DVD/ISO.

Windshadow99 Author

Level 1

34 points

Oct 22, 2014 12:34 PM in response to Loner T

WWe still need BA huh I thought i just would option boot to the efi this time so we need to burn an ISO? I hope this burner still works

it says an ISO image downloaded from Microsoft I have nice new 8.1 64 retail version DVDs in the drive now

Loner T

Level 9

59,513 points

Oct 22, 2014 12:39 PM in response to Windshadow99

Not really. You can use the DVD to directly boot from, as long as you do not have KVM issues. If you want to please try that first. If you have KVM issues, then use the USB to install W8.1 in the Free Space, nowhere else. 😉

Windshadow99 Author

Level 1

34 points

Oct 22, 2014 12:57 PM in response to Loner T

OOk how do I deal with restarts during the install hod option and select the efi each time?

it just said it would restart several times during the install...

and and it has Xed out

Windows could not prepare the computer to boot into the next phase of the installation. to install windows restart the installation

More boot camp problems new 5k imac 3 tera fusion drive