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Je viens d'y jeter un œil : tu as des Disques Durs Externes USB de 4 To à moins de 100€ sur Amazon.
diskutil list
-bash-3.2# diskutil list
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *3.0 TB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_CoreStorage Macintosh HD 3.0 TB disk0s2
3: Apple_Boot Recovery HD 650.0 MB disk0s3
/dev/disk1 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *121.3 GB disk1
1: EFI EFI 209.7 MB disk1s1
2: Apple_CoreStorage Macintosh HD 121.0 GB disk1s2
3: Apple_Boot Boot OS X 134.2 MB disk1s3
/dev/disk2 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme +2.1 GB disk2
1: Apple_HFS OS X Base System 2.0 GB disk2s1
/dev/disk3 (internal, virtual):
#: TYPE NAME SIZE IDENTIFIER
0: Apple_HFS Macintosh HD +3.1 TB disk3
Logical Volume on disk1s2, disk0s2
EB00423F-F400-44C0-985A-F0585338FCE5
Unencrypted Fusion Drive
/dev/disk4 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +5.2 MB disk4
/dev/disk5 (external, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *5.0 TB disk5
1: EFI EFI 209.7 MB disk5s1
2: Apple_HFS WD_5TO_USB3_MacOSEJ 5.0 TB disk5s2
/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 +2.1 MB 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 +524.3 KB disk11
/dev/disk12 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +12.6 MB disk12
/dev/disk13 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +4.2 MB disk13
/dev/disk14 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +1.0 MB disk14
/dev/disk15 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +2.1 MB 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 +524.3 KB disk17
/dev/disk18 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +1.0 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 +6.3 MB disk20
/dev/disk21 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk21
/dev/disk22 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +2.1 MB disk22
-bash-3.2#
diskutil rename disk5s2 Clone
caffeinate -dimsu &
cp -av /Vol*/Mac*/* /Vol*/Clone
df -H
-bash-3.2# df -H
Filesystem Size Used Avail Capacity iused ifree %iused Mounted on
/dev/disk2s1 2.0G 1.3G 720M 64% 45162 4294922117 0% /
devfs 212k 212k 0B 100% 716 0 100% /dev
/dev/disk4 5.2M 5.2M 0B 100% 54 4294967225 0% /private/var/log
/dev/disk6 524k 147k 377k 29% 5 4294967274 0% /Volumes
/dev/disk7 524k 156k 369k 30% 8 4294967271 0% /private/var/tmp
/dev/disk8 524k 156k 369k 30% 11 4294967268 0% /private/var/run
/dev/disk9 2.1M 143k 2.0M 7% 2 4294967277 0% /private/tmp
/dev/disk10 524k 143k 381k 28% 2 4294967277 0% /System/Installation
/dev/disk11 524k 307k 217k 59% 21 4294967258 0% /private/var/db
/dev/disk12 13M 4.3M 8.3M 34% 76 4294967203 0% /private/var/folders
/dev/disk13 4.2M 3.9M 295k 93% 304 4294966975 0% /private/var/root/Library
/dev/disk15 2.1M 143k 2.0M 7% 2 4294967277 0% /private/var/root/Library/Containers
/dev/disk16 524k 180k 344k 35% 11 4294967268 0% /Library/Preferences
/dev/disk17 524k 160k 365k 31% 5 4294967274 0% /Library/Preferences/SystemConfiguration
/dev/disk18 1.0M 176k 872k 17% 6 4294967273 0% /Library/Keychains
/dev/disk19 6.3M 176k 6.1M 3% 2 4294967277 0% /private/var/tmp/RecoveryTemp
/dev/disk20 6.3M 176k 6.1M 3% 2 4294967277 0% /private/var/tmp/OSISPredicateUpdateProductTemp
/dev/disk21 524k 143k 381k 28% 2 4294967277 0% /private/var/tmp/InstallerCookies
/dev/disk22 2.1M 143k 2.0M 7% 2 4294967277 0% /Library/Logs/DiagnosticReports
/dev/disk5s2 5.0T 3.1T 1.9T 63% 3179850 4291787429 0% /Volumes/Clone
/dev/disk3 3.1T 3.1T 19G 100% 3498238 4291469041 0% /Volumes/Macintosh HD
-bash-3.2#
diskutil eraseVolume jhfs+ "Macintosh HD" disk3
-bash-3.2# diskutil erasevolume jhfs+ "Macintosh HD" disk3
Started erase on disk3 Macintosh HD
Unmounting disk
Dissented by PID=0 (kernel)
Error: -69888: Couldn't unmount disk
-bash-3.2#
diskutil umountDisk force disk3