-bash-3.2# caffeinate -dimsu &
[1] 755
-bash-3.2# diskutil resizeVolume disk17s2 400 jhfs+ Clone 0b
Resizing to 400 bytes and adding 1 partition
Started partitioning on disk17s2 IVANNE_3_T
Verifying the disk
Verifying file system
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 IVANNE_3_T appears to be OK
File system check exit code is 0
Resizing
Waiting for the disks to reappear
Formatting disk17s4 as Mac OS Extended (Journaled) with name Clone
Error: -69850: The chosen size is not valid for the chosen file system
-bash-3.2# diskutil resizeVolume disk17s2 400g jhfs+ Clone 0b
Resizing to 400000000000 bytes and adding 1 partition
Started partitioning on disk17s2 IVANNE_3_T
Verifying the disk
Verifying file system
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 IVANNE_3_T appears to be OK
File system check exit code is 0
Resizing
Waiting for the disks to reappear
Formatting disk17s3 as Mac OS Extended (Journaled) with name Clone
Initialized /dev/rdisk17s3 as a 2 TB case-insensitive HFS Plus volume with a 188416k journal
Mounting disk
Finished partitioning on disk17s2 IVANNE_3_T
/dev/disk17 (external, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *3.0 TB disk17
1: EFI EFI 209.7 MB disk17s1
2: Apple_HFS IVANNE_3_T 400.0 GB disk17s2
3: Apple_HFS Clone 2.5 TB disk17s3
4: Microsoft Basic Data LACIE SHARE 149.8 GB disk17s4
5: Apple_HFS 462.8 KB disk17s5
-bash-3.2#