defaults write com.apple.Safari AppleLanguages '(fr)'
defaults write com.apple.systempreferences AppleLanguages '(fr)'
	ça se sauvegarde tout seul ?
 sw_vers -productVersion
	
	
	-bash-3.2# diskutil cs list
CoreStorage logical volume groups (1 found)
|
+-- Logical Volume Group 996E3575-7693-4CE9-8A10-46FADA44234B
    =========================================================
    Name:         Fusion Drive
    Status:       Online
    Size:         2253821493248 B (2.3 TB)
    Free Space:   40960 B (41.0 KB)
    |
    +-< Physical Volume CCC53AD7-96A2-46BF-96F7-111C5A1DB7CB
    |   ----------------------------------------------------
    |   Index:    0
    |   Disk:     disk1s2
    |   Status:   Online
    |   Size:     255716540416 B (255.7 GB)
    |
    +-< Physical Volume 7BCA2D87-8D28-4CA4-8AC7-947942EAFF66
    |   ----------------------------------------------------
    |   Index:    1
    |   Disk:     disk0s2
    |   Status:   Online
    |   Size:     1998104952832 B (2.0 TB)
    |
    +-> Logical Volume Family 4CCF5D05-B58A-4DA4-8390-19B66FE15897
        ----------------------------------------------------------
        Encryption Type:         None
        |
        +-> Logical Volume 69D78AC7-E487-42C5-BFDA-67B9B01BC3B5
            ---------------------------------------------------
            Disk:                  disk3
            Status:                Online
            Size (Total):          2247228653568 B (2.2 TB)
            Revertible:            No
            LV Name:               MacBook SSD
            Volume Name:           MacBook SSD
            Content Hint:          Apple_HFS
            LVG Type:              Fusion, Sparse
-bash-3.2# diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *2.0 TB     disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:          Apple_CoreStorage Fusion Drive            2.0 TB     disk0s2
   3:                 Apple_Boot                         134.2 MB   disk0s3
   4:                 Apple_Boot                         650.0 MB   disk0s4
/dev/disk1 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *256.1 GB   disk1
   1:                        EFI EFI                     209.7 MB   disk1s1
   2:          Apple_CoreStorage Fusion Drive            255.7 GB   disk1s2
   3:                 Apple_Boot                         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 MacBook SSD            +2.2 TB     disk3
                                 Logical Volume on disk1s2, disk0s2
                                 69D78AC7-E487-42C5-BFDA-67B9B01BC3B5
                                 Unencrypted Fusion Drive
/dev/disk4 à 23 (disk image):
 ...
-bash-3.2# sw_vers -productVersion
10.13.6
-bash-3.2#
	Donc si je ne me trompe pas :Il faut supprimer l'actuel Fusion Drive > puis le recréer proprement -->
- je peux te passer les commandes pour le faire.
diskutil cs delete 996E3575-7693-4CE9-8A10-46FADA44234B
diskutil cs create FusionDrive /dev/disk1 /dev/disk0
diskutil cs createvolume lvgUUID jhfs+ "Fusion Drive" 100%
	diskutil cs delete 996E3575-7693-4CE9-8A10-46FADA44234B
diskutil cs create FusionDrive disk0s2 disk1s2
diskutil cs createvolume lvgUUID jhfs+ "Fusion Drive" 100%
	Il y a 2 erreurs : dans la 1ère commande => il faut l'UUID du Logical Volume Group (pas du Logical Volume). Dans la 2è commande > il faut les index d'appareils des partitions et pas des disques (ce qui n'est valide que pour créer un AppleRAID).
Ce qui donne :
Bloc de code:diskutil cs delete 996E3575-7693-4CE9-8A10-46FADA44234B diskutil cs create FusionDrive disk0s2 disk1s2 diskutil cs createvolume lvgUUID jhfs+ "Fusion Drive" 100%
diskutil umount force disk3
	-bash-3.2# diskutil cs list
CoreStorage logical volume groups (1 found)
|
+-- Logical Volume Group 8733DF72-93AB-4EAA-987B-4816075368E5
    =========================================================
    Name:         FusionDrive
    Status:       Online
    Size:         2253821493248 B (2.3 TB)
    Free Space:   40960 B (41.0 KB)
    |
    +-< Physical Volume D9E76B8F-ED57-43F0-9F47-F6473161563D
    |   ----------------------------------------------------
    |   Index:    0
    |   Disk:     disk0s2
    |   Status:   Online
    |   Size:     255716540416 B (255.7 GB)
    |
    +-< Physical Volume 58EB7EA9-D125-4079-8532-0B1BFB7F3A63
    |   ----------------------------------------------------
    |   Index:    1
    |   Disk:     disk1s2
    |   Status:   Online
    |   Size:     1998104952832 B (2.0 TB)
    |
    +-> Logical Volume Family CD6B753A-28BA-4BC1-B16B-6499247FC0BE
        ----------------------------------------------------------
        Encryption Type:         None
        |
        +-> Logical Volume 243C3829-8705-43A3-BB94-69E49EAA46AE
            ---------------------------------------------------
            Disk:                  disk3
            Status:                Online
            Size (Total):          2247228653568 B (2.2 TB)
            Revertible:            No
            LV Name:               Fusion Drive
            Volume Name:           Fusion Drive
            Content Hint:          Apple_HFS
            LVG Type:              Fusion, Sparse
-bash-3.2# diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *256.1 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:          Apple_CoreStorage FusionDrive             255.7 GB   disk0s2
   3:                 Apple_Boot Boot OS X               134.2 MB   disk0s3
/dev/disk1 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *2.0 TB     disk1
   1:                        EFI EFI                     209.7 MB   disk1s1
   2:          Apple_CoreStorage FusionDrive             2.0 TB     disk1s2
   3:                 Apple_Boot                         650.0 MB   disk1s4
/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 Fusion Drive           +2.2 TB     disk3
                                 Logical Volume on disk0s2, disk1s2
                                 243C3829-8705-43A3-BB94-69E49EAA46AE
                                 Unencrypted Fusion Drive
/dev/disk4 à 21 (disk image):
 
-bash-3.2# sw_vers -productVersion
10.13.6
	   3:                 Apple_Boot                         650.0 MB   disk1s4
	diskutil eraseDisk jhfs+ HDD gpt disk1