diskutil umountDisk force disk3
diskutil eraseDisk jhfs+ SD gpt disk3
diskutil eraseDisk jhfs+ SD gpt disk3
Started erase on disk3
Unmounting disk
Error: -69888: Couldn't unmount disk
iMac-de-Pierre:~ pierrerich$ diskutil umountDisk force disk
Unmount failed for disk
iMac-de-Pierre:~ pierrerich$ diskutil umountDisk force disk3
Forced unmount of all volumes on disk3 was successful
iMac-de-Pierre:~ pierrerich$ diskutil eraseDisk jhfs+ SD gpt disk3
Started erase on disk3
Unmounting disk
Creating the partition map
Waiting for partitions to activate
Formatting disk3s2 as Mac OS Extended (Journaled) with name SD
Initialized /dev/rdisk3s2 as a 59 GB case-insensitive HFS Plus volume with a 8192k journal
Mounting disk
Finished erase on disk3
diskutil list
diskutil list
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *121.3 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_APFS Container disk1 121.1 GB disk0s2
/dev/disk1 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +121.1 GB disk1
Physical Store disk0s2
1: APFS Volume HDD 49.0 GB disk1s1
2: APFS Volume Preboot 26.5 MB disk1s2
3: APFS Volume Recovery 515.1 MB disk1s3
4: APFS Volume VM 2.1 GB disk1s4
/dev/disk2 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *63.9 GB disk2
1: EFI EFI 209.7 MB disk2s1
2: Apple_HFS Install OS X El Capitan 63.5 GB disk2s2
/dev/disk3 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *3.0 TB disk3
1: EFI EFI 209.7 MB disk3s1
2: Apple_HFS PIERRE 3.0 TB disk3s2
diskutil resizeVolume disk3s2 2990g jhfs+ BOOT 0b
diskutil resizeVolume disk3s2 2990g jhfs+ BOOT 0b
Resizing to 2990000000000 bytes and adding 1 partition
Started partitioning on disk3s2 PIERRE
Verifying the disk
Verifying file system
Volume was successfully unmounted
Performing fsck_hfs -fn -x /dev/rdisk3s2
Checking Journaled HFS Plus volume
Checking extents overflow file
Checking catalog file
Checking multi-linked files
Checking catalog hierarchy
Checking extended attributes file
Checking volume bitmap
Checking volume information
The volume PIERRE appears to be OK
File system check exit code is 0
Restoring the original state found as mounted
Resizing
Shrinking file system
Modifying partition map
Initialized /dev/rdisk3s3 as a 9 GB case-insensitive HFS Plus volume with a 8192k journal
Mounting disk
Finished partitioning on disk3s2 PIERRE
/dev/disk3 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *3.0 TB disk3
1: EFI EFI 209.7 MB disk3s1
2: Apple_HFS PIERRE 3.0 TB disk3s2
3: Apple_HFS BOOT 10.1 GB disk3s3
diskutil list
diskutil list
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *121.3 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: 7C3457EF-0000-11AA-AA11-00306543ECAC 121.1 GB disk0s2
/dev/disk1 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *3.0 TB disk1
1: EFI EFI 209.7 MB disk1s1
2: Apple_HFS PIERRE 3.0 TB disk1s2
3: Apple_HFS Install OS X El Capitan 10.1 GB disk1s3
/dev/disk2 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme +6.8 GB disk2
1: EFI EFI 209.7 MB disk2s1
2: Apple_HFS OS X Install ESD 6.5 GB disk2s2
/dev/disk3 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme +2.1 GB disk3
1: Apple_HFS OS X Base System 2.0 GB disk3s1
/dev/disk4 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +5.2 MB disk4
/dev/disk5 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk5
/dev/disk6 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk6
/dev/disk7 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk7
/dev/disk8 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk8
/dev/disk9 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk9
/dev/disk10 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +6.3 MB disk10
/dev/disk11 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +2.1 MB disk11
/dev/disk12 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +1.0 MB disk12
/dev/disk13 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk13
/dev/disk14 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk14
/dev/disk15 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +1.0 MB disk15
/dev/disk16 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +6.3 MB disk16