Oui je pense que tout y est !- est-ce que tu retrouves tout dans ta session ? - en excusant la lenteur due à la connexion USB ?
diskutil list/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *121.3 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:          Apple_CoreStorage Macintosh HD            120.5 GB   disk0s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
/dev/disk1 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *320.1 GB   disk1
   1:                        EFI EFI                     209.7 MB   disk1s1
   2:                  Apple_HFS Clone                   319.7 GB   disk1s2
/dev/disk2 (internal, virtual):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                  Apple_HFS Macintosh HD           +120.1 GB   disk2
                                 Logical Volume on disk0s2
                                 215777DE-D6CF-4D21-9A7D-D6D0BD09B1ED
                                 Unlocked Encrypteddiskutil cs listCoreStorage logical volume groups (1 found)
|
+-- Logical Volume Group 6E941BFB-B56F-41D4-B384-A0747FCE9ED9
    =========================================================
    Name:         Macintosh HD
    Status:       Online
    Size:         120473067520 B (120.5 GB)
    Free Space:   12656640 B (12.7 MB)
    |
    +-< Physical Volume F623052C-6078-4B76-81AD-764BFB7B1A5F
    |   ----------------------------------------------------
    |   Index:    0
    |   Disk:     disk0s2
    |   Status:   Online
    |   Size:     120473067520 B (120.5 GB)
    |
    +-> Logical Volume Family C8ADD89B-2A98-473C-9A35-B002A97185FF
        ----------------------------------------------------------
        Encryption Type:         AES-XTS
        Encryption Status:       Unlocked
        Conversion Status:       Complete
        High Level Queries:      Fully Secure
        |                        Passphrase Required
        |                        Accepts New Users
        |                        Has Visible Users
        |                        Has Volume Key
        |
        +-> Logical Volume 215777DE-D6CF-4D21-9A7D-D6D0BD09B1ED
            ---------------------------------------------------
            Disk:                  disk2
            Status:                Online
            Size (Total):          120108089344 B (120.1 GB)
            Revertible:            Yes (unlock and decryption required)
            LV Name:               Macintosh HD
            Volume Name:           Macintosh HD
            Content Hint:          Apple_HFSdiskutil listdiskutil resizeVolume disk1s2 315g jhfs+ RECO 650m free null 0b ; diskutil list disk10m free null 0b ; diskutil list disk1
Resizing to 315000000000 bytes and adding 2 partitions
Started partitioning on disk1s2 Clone
Verifying the disk
Verifying file system
Using live mode
Performing live verification
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 Clone appears to be OK
File system check exit code is 0
Resizing
Shrinking file system
Modifying partition map
Initialized /dev/rdisk1s3 as a 620 MB case-insensitive HFS Plus volume with a 8192k journal
Mounting disk
Finished partitioning on disk1s2 Clone
/dev/disk1 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *320.1 GB   disk1
   1:                        EFI EFI                     209.7 MB   disk1s1
   2:                  Apple_HFS Clone                   315.0 GB   disk1s2
   3:                  Apple_HFS RECO                    650.0 MB   disk1s3
/dev/disk1 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *320.1 GB   disk1
   1:                        EFI EFI                     209.7 MB   disk1s1
   2:                  Apple_HFS Clone                   315.0 GB   disk1s2
   3:                  Apple_HFS RECO                    650.0 MB   disk1s3diskutil mount disk0s3sudo asr restore --s /Volumes/"Recovery HD" --t /Volumes/RECO --erase --nopromptPassword:
    Validating target...done
    Validating source...done
    Validating sizes...done
    Restoring  ....10....20....30....40....50....60....70....80....90....100
    Verifying  ....10....20....30....40....50....60....70....80....90....100
    Remounting target volume...donediskutil list disk1/dev/disk1 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *320.1 GB   disk1
   1:                        EFI EFI                     209.7 MB   disk1s1
   2:                  Apple_HFS Clone                   315.0 GB   disk1s2
   3:                  Apple_HFS Recovery HD             650.0 MB   disk1s3diskutil umount force disk1s3Volume Recovery HD on disk1s3 force-unmountedsudo asr adjust --t /dev/disk1s3 --settype "Apple_Boot"csrutil status 
	