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I tried to create a bootcamp partition for using windows alongside OSX. For the record, I have MacBook Pro (Retina, 13-inch, Early 2015). I downloaded windows 10 64 bit image from microsoft directly ,launched the bootcamp utility, picked the image of windows and I let the process begin. I received error "could not partition" and in the disk utility I had the bootcamp partition shaded gray and couldn't delete it. I googled it, and followed this thread which basically said to use diskutil from the terminal. I successfully deleted some of the partitions but I have a container which looks suspicious. I'll add that I never partitioned or anything similar. Im a regular user, single partition, single hard drive. Here's the result for the command

$ diskutil list

/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER    
   0:      GUID_partition_scheme                        *1.0 TB     disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                 Apple_APFS Container disk1         888.0 GB   disk0s2
   3:                 Apple_APFS Container disk5         8.0 GB     disk0s7
   4:                 Apple_APFS Container disk4         48.0 GB    disk0s8
   5:                 Apple_APFS Container disk3         7.9 GB     disk0s3
   6:                 Apple_APFS Container disk2         48.2 GB    disk0s4

/dev/disk1 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +888.0 GB   disk1
                                 Physical Store disk0s2
   1:                APFS Volume Macintosh HD            495.9 GB   disk1s1
   2:                APFS Volume Preboot                 20.3 MB    disk1s2
   3:                APFS Volume Recovery                518.1 MB   disk1s3
   4:                APFS Volume VM                      2.1 GB     disk1s4

/dev/disk2 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +48.2 GB    disk2
                                 Physical Store disk0s4

/dev/disk3 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +7.9 GB     disk3
                                 Physical Store disk0s3

/dev/disk4 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +48.0 GB    disk4
                                 Physical Store disk0s8

/dev/disk5 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +8.0 GB     disk5
                                 Physical Store disk0s7

All my files are in what looks like "disk0s2" (495.9 GB) The bootcamp partition I tried to create was of size 48 GB. I suspect I got a bigger problem than I thought.

  • After a failed attempt to create a partition, it is normal to have an empty APFS container since (from what I see) macOS High Sierra and later simply create a new APFS container and erase/format that container so it has the expected filesystem to create a non-APFS partition. However it's not normal to have more than 2 empty APFS containers after a failed partitioning attempt. I'm saying two because Bootcamp creates two partitions. One to put the installer on (contents of the ISO), and one to install the OS onto. – pixelomer Jul 2 '18 at 15:35

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