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Q: OS X Partition Issues - can anyone help?

HI Guys,

 

just a quick one, can anyone please tel me what these partitions are showing in my terminal after typing diskutil list?

 

 

 

-bash-3.2# diskutil list

/dev/disk0

  #:                       TYPE NAME                    SIZE       IDENTIFIER

  0:      GUID_partition_scheme                        *1.0 TB     disk0

  1:                        EFI EFI                     209.7 MB   disk0s1

  2:                  Apple_HFS Macintosh HD            999.3 GB   disk0s2

  3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3

/dev/disk1

  #:                       TYPE NAME                    SIZE       IDENTIFIER

  0:     Apple_partition_scheme                        *1.3 GB     disk1

  1:        Apple_partition_map                         30.7 KB    disk1s1

  2:                  Apple_HFS OS X Base System        1.3 GB     disk1s2

/dev/disk2

  #:                       TYPE NAME                    SIZE       IDENTIFIER

  0:                            untitled               *5.2 MB     disk2

/dev/disk3

  #:                       TYPE NAME                    SIZE       IDENTIFIER

  0:                            untitled               *524.3 KB   disk3

/dev/disk4

  #:                       TYPE NAME                    SIZE       IDENTIFIER

  0:                            untitled               *524.3 KB   disk4

/dev/disk5

  #:                       TYPE NAME                    SIZE       IDENTIFIER

  0:                            untitled               *524.3 KB   disk5

/dev/disk6

  #:                       TYPE NAME                    SIZE       IDENTIFIER

  0:                            untitled               *524.3 KB   disk6

/dev/disk7

  #:                       TYPE NAME                    SIZE       IDENTIFIER

  0:                            untitled               *524.3 KB   disk7

/dev/disk8

  #:                       TYPE NAME                    SIZE       IDENTIFIER

  0:                            untitled               *6.3 MB     disk8

/dev/disk9

  #:                       TYPE NAME                    SIZE       IDENTIFIER

  0:                            untitled               *2.1 MB     disk9

/dev/disk10

  #:                       TYPE NAME                    SIZE       IDENTIFIER

  0:                            untitled               *1.0 MB     disk10

/dev/disk11

  #:                       TYPE NAME                    SIZE       IDENTIFIER

  0:                            untitled               *524.3 KB   disk11

/dev/disk12

  #:                       TYPE NAME                    SIZE       IDENTIFIER

  0:                            untitled               *524.3 KB   disk12

/dev/disk13

  #:                       TYPE NAME                    SIZE       IDENTIFIER

  0:                            untitled               *1.0 MB     disk13

/dev/disk14

  #:                       TYPE NAME                    SIZE       IDENTIFIER

  0:                            untitled               *6.3 MB     disk14

-bash-3.2#



regards


Dan Brown

iMac

Posted on Apr 15, 2016 9:43 AM

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Q: OS X Partition Issues - can anyone help?

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  • Helpful answers

  • by rccharles,

    rccharles rccharles Apr 15, 2016 11:31 AM in response to RubyCreative
    Level 6 (8,464 points)
    Classic Mac OS
    Apr 15, 2016 11:31 AM in response to RubyCreative
    -bash-3.2# diskutil list
    
    /dev/disk0
      #:                       TYPE NAME                    SIZE       IDENTIFIER
      0:      GUID_partition_scheme                        *1.0 TB     disk0
      1:                        EFI EFI                     209.7 MB   disk0s1
      2:                  Apple_HFS Macintosh HD            999.3 GB   disk0s2
      3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
    
    /dev/disk1
      #:                       TYPE NAME                    SIZE       IDENTIFIER
      0:     Apple_partition_scheme                        *1.3 GB     disk1
      1:        Apple_partition_map                         30.7 KB    disk1s1
      2:                  Apple_HFS OS X Base System        1.3 GB     disk1s2
    
    
    
    
    

     

    The first two of these are normal.  The rest are odd.  I'd detach all external devices with the exception of the mouse and keyboard.  It could be some external device is reporting badly.  Partitions are reported below the device.  Your seem to be having a problem with too many devices reported. Don't know why.

     

    Each of these entries is reporting a storage device.

    /dev/disk#

     

    You know the drill.  Add back on device at a time & see what is up.

     

    What does this say?

     

    mac $ ls -l /Volumes/
    total 16
    drwxr-xr-x  109 mac   staff   3.7K Apr 15 14:17 Backup/
    drwxrwxrwx@   1 mac   staff   4.0K Apr 15 14:17 COPYIT/
    lrwxr-xr-x    1 root  admin     1B Apr 15 00:23 Macintosh HD@ -> /
    drwxr-x---   11 mac   staff   442B Apr 15 14:17 mac copyit/
    mac $
    
    
    
    
    
  • by RubyCreative,

    RubyCreative RubyCreative Apr 15, 2016 1:53 PM in response to rccharles
    Level 1 (12 points)
    Mac OS X
    Apr 15, 2016 1:53 PM in response to rccharles

    Hi rccharles,

     

    thanks for looking at this for me.

     

    So,

    i am currently running Yosemite OS X.

    After booting my system holding down “cmd + r” i enter into recovery mode.

    Once in recovery mode i then run the terminal command “diskutil list” and that is when i get the above list.

     

    All devices and external drives have already been removed.

     

    ls -1 /Volumes/ - just displays the main Macintosh HD drive and nothing els.

     

    Im just not sure what they represent.

  • by rccharles,

    rccharles rccharles Apr 15, 2016 2:59 PM in response to RubyCreative
    Level 6 (8,464 points)
    Classic Mac OS
    Apr 15, 2016 2:59 PM in response to RubyCreative

    After booting my system holding down “cmd + r” i enter into recovery mode.

     

    I do not boot often into recovery mode.  Not sure what I would see there.

     

    Why are you booting into recovery mode?

    R

  • by RubyCreative,

    RubyCreative RubyCreative Apr 16, 2016 3:39 AM in response to rccharles
    Level 1 (12 points)
    Mac OS X
    Apr 16, 2016 3:39 AM in response to rccharles

    The purpose was to erase the existing partitions and then perform a reinstall using a bootable USB.

     

    Now that we have achieved that we are left with the above.