Ravenmoon
Level 1 (12 points)
iTunes

Q: HELP! I have 7 partitions, 2 EFI, 2 MacHD, etc.

I have no idea how this happened, but my internal HD has ended up with 7 (yes, seven) partitions, 6 of which are invisible, and several of which are duplicates. Neat trick, I know, and no, no clue how!

 

Specs: iMac 27" Late 2012, running Mavericks 10.9.5. Have tried rebooting into Time Machine (external drive), a CarbonCopy Clone (other external drive) and Recovery Mode, none of these will allow me to re-partition the drive. Here is what Disk Utility shows (with hidden volumes enabled):

Screen Shot 2015-01-29 at 7.49.00 PM.png

When I run diskutil list, the drives appear as follows:

/dev/disk0

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:      GUID_partition_scheme                        *121.3 GB   disk0

   1:                        EFI 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                        *1.0 TB     disk1

   1:                        EFI EFI                     209.7 MB   disk1s1

   2:          Apple_CoreStorage                         999.3 GB   disk1s2

   3:                 Apple_Boot Recovery HD             650.0 MB   disk1s3

/dev/disk2

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:                  Apple_HFS Manor                  *1.1 TB     disk2

 

This all started when trying to set up BootCamp, which also threw up a list of 7 volumes, none of which could be used to install Windows.


I am pretty much out of ideas...... Help?

iMac, OS X Mavericks (10.9), 27&" 3.4 Ghz Core i7

Posted on Jan 29, 2015 5:04 PM

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Ravenmoon

Q: HELP! I have 7 partitions, 2 EFI, 2 MacHD, etc.

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  • by Ravenmoon,

    Ravenmoon Ravenmoon Feb 8, 2015 5:46 PM in response to Loner T
    Level 1 (12 points)
    iTunes
    Feb 8, 2015 5:46 PM in response to Loner T

    Well, I dove into the diskutil commands, and it seems to have worked out OK. I did have to manually make a LV using createVolume, but I did, and it worked. (I'm posting from the new main Mac partition now, repopulated from my backup, and it's purring like a kitten so far....) BootCamp made its partition, and the Windows installer was happy with it. I can boot into Windows or Mac OS from the usual StartUp prefs, and both see each others partitions as expected.

     

    The EFIs still flash briefly onto the desktop at reboot, but that's not going to keep me up nights. I still can't get Console to actually SHOW a window, so I can't give you console logs. :\

     

    I *think* this is as solved as it's going to get.  I am going to (cautiously) call this a win!

     

    Thank you so much for your help! Don't take this wrong if I say I hope I don't get a chance to talk to you again soon (ha!), but if I do, I know I'llhave some good folks to help out!

     

    Cheers,

     

    Mith (yes, that is my actual real name!)

  • by Loner T,

    Loner T Loner T Feb 8, 2015 6:16 PM in response to Ravenmoon
    Level 7 (24,728 points)
    Safari
    Feb 8, 2015 6:16 PM in response to Ravenmoon

    My recommendation is to backup this on TM (and Windows separately) and see if re-installing OSX will fixe the Console issue. It may also fix the momentary EFI mount issue. How many OSX upgrades has this system been through? It would also be a good test to remove DU Debug and see if it addresses the EFI mounting issue.

     

    Glad to see it behave a bit more reasonably (albeit not perfectly).

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