En fait j'ai du redémarrer because le WiFi avait du mal à se connecter . Donc la je recommence à partir d'un redémarrage ..
diskutil list
-bash-3.2# diskutil list
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *251.0 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_APFS Container disk2 250.8 GB disk0s2
/dev/disk1 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme +2.1 GB disk1
1: Apple_HFS OS X Base System 2.0 GB disk1s1
/dev/disk2 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +250.8 GB disk2
Physical Store disk0s2
1: APFS Volume Macintosh HD 231.3 GB disk2s1
2: APFS Volume Preboot 17.1 MB disk2s2
3: APFS Volume Recovery 519.0 MB disk2s3
/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 +2.1 MB 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 +524.3 KB disk10
/dev/disk11 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +12.6 MB disk11
/dev/disk12 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +4.2 MB disk12
/dev/disk13 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +1.0 MB disk13
/dev/disk14 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +2.1 MB disk14
/dev/disk15 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk15
/dev/disk16 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk16
/dev/disk17 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +1.0 MB disk17
/dev/disk18 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +6.3 MB disk18
/dev/disk19 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +6.3 MB disk19
/dev/disk20 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk20
/dev/disk21 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +2.1 MB disk21
-bash-3.2#
-bash-3.2# diskutil list
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *251.0 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_APFS Container disk2 250.8 GB disk0s2
/dev/disk1 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme +2.1 GB disk1
1: Apple_HFS OS X Base System 2.0 GB disk1s1
/dev/disk2 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +250.8 GB disk2
Physical Store disk0s2
1: APFS Volume Macintosh HD 231.3 GB disk2s1
2: APFS Volume Preboot 17.1 MB disk2s2
3: APFS Volume Recovery 519.0 MB disk2s3
/dev/disk3 (external, physical):
#: TYPE NAME SIZE IDENTIFIER
0: FDisk_partition_scheme *3.0 TB disk3
1: Apple_HFS Sans titre 3.0 TB 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 +2.1 MB 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 +524.3 KB disk10
/dev/disk11 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +12.6 MB disk11
/dev/disk12 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +4.2 MB disk12
/dev/disk13 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +1.0 MB disk13
/dev/disk14 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +2.1 MB disk14
/dev/disk15 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk15
/dev/disk16 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk16
/dev/disk17 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +1.0 MB disk17
/dev/disk18 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +6.3 MB disk18
/dev/disk19 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +6.3 MB disk19
/dev/disk20 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk20
/dev/disk21 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +2.1 MB disk21
-bash-3.2#
df -H
-bash-3.2# df -H
Filesystem Size Used Avail Capacity iused ifree %iused Mounted on
/dev/disk1s1 2.0G 1.3G 720M 64% 45181 4294922098 0% /
devfs 208k 208k 0B 100% 704 0 100% /dev
/dev/disk4 5.2M 5.2M 0B 100% 23 4294967256 0% /private/var/log
/dev/disk5 524k 147k 377k 29% 5 4294967274 0% /Volumes
/dev/disk6 524k 152k 373k 29% 8 4294967271 0% /private/var/tmp
/dev/disk7 524k 160k 365k 31% 12 4294967267 0% /private/var/run
/dev/disk8 2.1M 143k 2.0M 7% 2 4294967277 0% /private/tmp
/dev/disk9 524k 143k 381k 28% 2 4294967277 0% /System/Installation
/dev/disk10 524k 303k 221k 58% 21 4294967258 0% /private/var/db
/dev/disk11 13M 5.4M 7.2M 44% 93 4294967186 0% /private/var/folders
/dev/disk12 4.2M 4.0M 193k 96% 385 4294966894 0% /private/var/root/Library
/dev/disk14 2.1M 348k 1.7M 17% 49 4294967230 0% /private/var/root/Library/Containers
/dev/disk15 524k 180k 344k 35% 11 4294967268 0% /Library/Preferences
/dev/disk16 524k 164k 360k 32% 6 4294967273 0% /Library/Preferences/SystemConfiguration
/dev/disk17 1.0M 184k 864k 18% 6 4294967273 0% /Library/Keychains
/dev/disk18 6.3M 176k 6.1M 3% 2 4294967277 0% /private/var/tmp/RecoveryTemp
/dev/disk19 6.3M 176k 6.1M 3% 2 4294967277 0% /private/var/tmp/OSISPredicateUpdateProductTemp
/dev/disk20 524k 143k 381k 28% 2 4294967277 0% /private/var/tmp/InstallerCookies
/dev/disk21 2.1M 143k 2.0M 7% 2 4294967277 0% /Library/Logs/DiagnosticReports
/dev/disk2s1 251G 231G 19G 93% 892583 9223372036853883224 0% /Volumes/Macintosh HD
/dev/disk3s1 3.0T 1.0G 3.0T 1% 4 4294967275 0% /Volumes/Sans titre
-bash-3.2#
diskutil eraseDisk jhfs+ Clone gpt disk3
-bash-3.2# diskutil eraseDisk jhfs+ Clone gpt disk21
Started erase on disk21
Unmounting disk
Creating the partition map
Waiting for partitions to activate
Formatting disk21s2 as Mac OS Extended (Journaled) with name Clone
Initialized /dev/rdisk21s2 as a 3 TB case-insensitive HFS Plus volume with a 229376k journal
Mounting disk
Finished erase on disk21
-bash-3.2#
caffeinate -dimsu &
cp -av /Volumes/"Macintosh HD"/* /Volumes/Clone