K J

Q: Boot Camp Fail.  Genius Bar struggling

I have been trying to install BootCamp onto my 2013 iMac.  However, I cannot get past failed partition "Your disk could not be partitioned.  An error occurred while partitioning the disc."    The closest I have come was after the Fusion Drive was replaced, I tried to make a 200GB partition and it got 3/4 the way through.  That is the ONLY time partitioning has even remotely worked.

 

Among thing I have tried

  • Terminal DiskUtil shows all the correct disks and no phantoms.
  • Zapped PRAM
  • Disk Utility from Recovery Mode
  • /sbin/fsck -fy
  • One time, I found the partition mount points and I saw what appeared to be a Windows partition, I did something and it was gone.  I literally cannot remember what commands I used to get that view, how I started up or anything.

 

Genius Bar

  • I have visited the Genius Bar 3 times.  Every time, the techs put it through the triage and all systems check out fine.  The 1st time ended with the tech believing there was a tech memo on the era Fusion Drive I have.  So they had it replaced. 
  • Interestingly, I learned that Apple does not make a way to unmount the fusion drive.  The triage the techs need to use is an older OS version (including use of the old DU)
  • This last time, the tech decided to kick the problem up a tier.

 

Suspicions

  • I bet the BCA does not play nicely with Fusion Drive in 10.11.5.  I think it is such a niche issue, it is not widely reported. 
  • I suspect there is a ghost partition(s) from my many failed partition attempts. 

 

System Details

  • 27 inch Later 2013
  • 3TB Fusion Drive (1.66 TB available) 
  • El Cap 10.11.5

Aperture 3, Mac OS X (10.6.8)

Posted on May 27, 2016 5:37 PM

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Q: Boot Camp Fail.  Genius Bar struggling

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  • by K J,

    K J K J May 28, 2016 8:35 PM in response to K J
    Level 1 (20 points)
    Windows Software
    May 28, 2016 8:35 PM in response to K J

    Off to SMC reset and PRAM... 

  • by Loner T,Solvedanswer

    Loner T Loner T May 28, 2016 9:00 PM in response to K J
    Level 7 (23,613 points)
    Safari
    May 28, 2016 9:00 PM in response to K J

    K J wrote:

     

    Another WOW!  Long list of actions.... Last several....

    .

    .

    .

    The volume DE4ABCF0-5ECA-434F-AF42-611FE118D6C6 appears to be OK

    Storage system check exit code is 0

    Incorrect size for volume "Anchorhead"

    Adjusting volume "Anchorhead"

    Growing Logical Volume

    Resizing Core Storage Logical Volume structures

    Resized Core Storage Logical Volume to 3114866704384 bytes

    Growing file system

    Updating Windows boot.ini files as required

    The partition map appears to be OK

    Finished partition map repair on disk0

    Glad to see these lines. Can you post the output of diskutil cs list before you run BCA, for the record?

  • by K J,

    K J K J May 29, 2016 5:48 AM in response to K J
    Level 1 (20 points)
    Windows Software
    May 29, 2016 5:48 AM in response to K J

    I saw this after I had run BCA :-(.  Here is what it looks like AFTER BCA and with a fully functioning Windows 10 install!!

     

    Loner T, your trouble shooting has been invaluable, helpful, courteous, timely, and on point.   I wish you all the best :-). 

     

    Slide1.jpg

  • by K J,

    K J K J May 29, 2016 5:51 AM in response to K J
    Level 1 (20 points)
    Windows Software
    May 29, 2016 5:51 AM in response to K J

    THANK YOU LONER T.  You solved my problem...  I can't figure out where the "this solved my problem" button has disappeared to in the thread.  But you definitely did and are a ROCK STAR

  • by Loner T,

    Loner T Loner T May 29, 2016 6:02 AM in response to K J
    Level 7 (23,613 points)
    Safari
    May 29, 2016 6:02 AM in response to K J

    Can you post the output of

     

    diskutil list

     

    It will help future readers.

     

    Please back up OS X, Windows and create a Windows System Restore point, so you have a good baseline for recovery, if needed.

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