M 
		
				
				
			
		diskutil cs listAlors passe la commande :
- qui va afficher l'imposant tableau du CoreStorage du disque interne
Poste ce tableau : il contient une information permettant de supprimer ce format qui ne sert à rien actuellement.
Last login: Wed Aug 15 16:32:40 on console
MBP-de-Gaelle:~ gaelleespiau$ diskutil cs list
CoreStorage logical volume groups (1 found)
|
+-- Logical Volume Group 7314D1E5-0881-4AB0-9388-5AEFA8D03B35
    =========================================================
    Name:         Macintosh HD
    Status:       Online
    Size:         499248103424 B (499.2 GB)
    Free Space:   18972672 B (19.0 MB)
    |
    +-< Physical Volume 3C153CDE-BB7D-4A0F-9E8E-8CDE7EB9F069
    |   ----------------------------------------------------
    |   Index:    0
    |   Disk:     disk0s2
    |   Status:   Online
    |   Size:     499248103424 B (499.2 GB)
    |
    +-> Logical Volume Family 845D6437-86F8-4A90-A573-6FE758B37345
        ----------------------------------------------------------
        Encryption Type:         None
        |
        +-> Logical Volume EBC95C9D-4C24-43FD-ABD5-044F6A7A0B24
            ---------------------------------------------------
            Disk:                  disk1
            Status:                Online
            Size (Total):          498876809216 B (498.9 GB)
            Revertible:            Yes (no decryption required)
            LV Name:               Macintosh HD
            Volume Name:           Macintosh HD
            Content Hint:          Apple_HFS
MBP-de-Gaelle:~ gaelleespiau$diskutil umount force disk1
diskutil coreStorage deleteLVG 7314D1E5-0881-4AB0-9388-5AEFA8D03B35diskutil listLast login: Wed Aug 15 16:32:40 on console
MBP-de-Gaelle:~ gaelleespiau$ diskutil cs list
CoreStorage logical volume groups (1 found)
|
+-- Logical Volume Group 7314D1E5-0881-4AB0-9388-5AEFA8D03B35
    =========================================================
    Name:         Macintosh HD
    Status:       Online
    Size:         499248103424 B (499.2 GB)
    Free Space:   18972672 B (19.0 MB)
    |
    +-< Physical Volume 3C153CDE-BB7D-4A0F-9E8E-8CDE7EB9F069
    |   ----------------------------------------------------
    |   Index:    0
    |   Disk:     disk0s2
    |   Status:   Online
    |   Size:     499248103424 B (499.2 GB)
    |
    +-> Logical Volume Family 845D6437-86F8-4A90-A573-6FE758B37345
        ----------------------------------------------------------
        Encryption Type:         None
        |
        +-> Logical Volume EBC95C9D-4C24-43FD-ABD5-044F6A7A0B24
            ---------------------------------------------------
            Disk:                  disk1
            Status:                Online
            Size (Total):          498876809216 B (498.9 GB)
            Revertible:            Yes (no decryption required)
            LV Name:               Macintosh HD
            Volume Name:           Macintosh HD
            Content Hint:          Apple_HFS
MBP-de-Gaelle:~ gaelleespiau$ diskutil umount force disk1
Volume Macintosh HD on disk1 force-unmounted
MBP-de-Gaelle:~ gaelleespiau$ diskutil coreStorage deleteLVG 7314D1E5-0881-4AB0-9388-5AEFA8D03B35
Started CoreStorage operation
Unmounting Logical Volumes
Ejecting Logical Volumes
Destroying Logical Volume Group
Erasing disk0s2
Initialized /dev/rdisk0s2 as a 465 GB case-insensitive HFS Plus volume with a 40960k journal
Mounting disk
Finished CoreStorage operation
MBP-de-Gaelle:~ gaelleespiau$ diskutil
Disk Utility Tool
Utility to manage local disks and volumes
Most options require root access to the device
Usage:  diskutil [quiet] <verb> <options>, where <verb> is as follows:
     list                  (List the partitions of a disk)
     info[rmation]         (Get information on a specific disk or partition)
     listFilesystems       (List file systems available for formatting)
     activity              (Continuous log of system-wide disk arbitration)
     u[n]mount             (Unmount a single volume)
     unmountDisk           (Unmount an entire disk (all volumes))
     eject                 (Eject a disk)
     mount                 (Mount a single volume)
     mountDisk             (Mount an entire disk (all mountable volumes))
     enableJournal         (Enable HFS+ journaling on a mounted HFS+ volume)
     disableJournal        (Disable HFS+ journaling on a mounted HFS+ volume)
     moveJournal           (Move the HFS+ journal onto another volume)
     enableOwnership       (Treat as exact User/Group IDs for a mounted volume)
     disableOwnership      (Ignore on-disk User/Group IDs for a mounted volume)
     rename[Volume]        (Rename a volume)
     verifyVolume          (Verify the file system data structures of a volume)
     repairVolume          (Repair the file system data structures of a volume)
     verifyDisk            (Verify the components of a partition map of a disk)
     repairDisk            (Repair the components of a partition map of a disk)
     eraseDisk             (Erase an existing disk, removing all volumes)
     eraseVolume           (Erase an existing volume)
     reformat              (Erase an existing volume with same name and type)
     eraseOptical          (Erase optical media (CD/RW, DVD/RW, etc.))
     zeroDisk              (Erase a disk, writing zeros to the media)
     randomDisk            (Erase a disk, writing random data to the media)
     secureErase           (Securely erase a disk or freespace on a volume)
     partitionDisk         ((re)Partition a disk, removing all volumes)
     resizeVolume          (Resize a volume, increasing or decreasing its size)
     splitPartition        (Split an existing partition into two or more)
     mergePartitions       (Combine two or more existing partitions into one)
     appleRAID <verb>      (Perform additional verbs related to AppleRAID)
     coreStorage <verb>    (Perform additional verbs related to CoreStorage)
diskutil <verb> with no options will provide help on that verb
MBP-de-Gaelle:~ gaelleespiau$La commande est passé. Passe à présent un :
- et poste le tableau.
Last login: Wed Aug 15 17:35:40 on ttys000
MBP-de-Gaelle:~ gaelleespiau$ diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *500.1 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Untitled                499.2 GB   disk0s2
/dev/disk2 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk2
   1:                        EFI EFI                     209.7 MB   disk2s1
   2:                  Apple_HFS Clone                   999.3 GB   disk2s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk2s3
MBP-de-Gaelle:~ gaelleespiau$diskutil rename disk0s2 "Macintosh HD"diskutil listLast login: Wed Aug 15 17:57:26 on ttys000
MBP-de-Gaelle:~ gaelleespiau$ diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *500.1 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD            498.6 GB   disk0s2
   3:                 Apple_Boot Recovery HD             1.2 GB     disk0s3
/dev/disk2 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk2
   1:                        EFI EFI                     209.7 MB   disk2s1
   2:                  Apple_HFS Clone                   999.3 GB   disk2s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk2s3
MBP-de-Gaelle:~ gaelleespiau$/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *500.1 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                  Apple_HFS Macintosh HD            498.6 GB   disk0s2
   3:                 Apple_Boot Recovery HD             1.2 GB     disk0s3 
	