Ok merci pour toutes ces explications, je vais suivre tes recommandations à la lettre!
Bloc de code:
-bash-3.2# diskutil info /Volumes/"Macintosh HD 1"
Device Identifier: disk22
Device Node: /dev/disk22
Whole: Yes
Part of Whole: disk22
Device / Media Name: APPLE HDD HTS545050A7E362
Volume Name: Macintosh HD
Mounted: Yes
Mount Point: /Volumes/Macintosh HD 1
Content (IOContent): Apple_HFS
File System Personality: Journaled HFS+
Type (Bundle): hfs
Name (User Visible): Mac OS Extended (Journaled)
Journal: Journal size 40960 KB at offset 0x1a387000
Owners: Enabled
OS Can Be Installed: Yes
Booter Disk: disk0s3
Recovery Disk: disk0s3
Media Type: Generic
Protocol: SATA
SMART Status: Not Supported
Volume UUID: EB10782F-0F73-3203-AD06-9A3ADA6A5960
Disk / Partition UUID: D471B905-8B0B-48EB-9CA9-BF092127C063
Disk Size: 498.9 GB (498887294976 Bytes) (exactly 974389248 512-Byte-Units)
Device Block Size: 512 Bytes
Volume Total Space: 498.9 GB (498887294976 Bytes) (exactly 974389248 512-Byte-Units)
Volume Used Space: 268.0 GB (268042694656 Bytes) (exactly 523520888 512-Byte-Units) (53.7%)
Volume Available Space: 230.8 GB (230844600320 Bytes) (exactly 450868360 512-Byte-Units) (46.3%)
Allocation Block Size: 4096 Bytes
Read-Only Media: No
Read-Only Volume: No
Device Location: Internal
Removable Media: Fixed
Solid State: No
Virtual: Yes
OS 9 Drivers: No
Low Level Format: Not supported
This disk is a Core Storage Logical Volume (LV). Core Storage Information:
LV UUID: D471B905-8B0B-48EB-9CA9-BF092127C063
LVF UUID: AF1DA9DA-2809-4997-9578-128D7D0E72CC
LVG UUID: D3743C0B-4069-488E-914B-FC234DFF8E46
PV UUID (disk): 87BEA027-2DB6-440E-AC22-00DC14DDE0A7 (disk0s2)
Fusion Drive: No
Encrypted: Yes
-bash-3.2#