Last login: Mon Apr  6 21:38:25 on ttys000
MacBook-Pro-de-Robin-2:~ robinchabas$
MacBook-Pro-de-Robin-2:~ robinchabas$ diskutil list
/dev/disk0 (internal):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                         500.3 GB   disk0
   1:                        EFI EFI                     314.6 MB   disk0s1
   2:                 Apple_APFS Container disk1         250.8 GB   disk0s2
   3:                  Apple_HFS DATA DISK               249.0 GB   disk0s3
/dev/disk1 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +250.8 GB   disk1
                                 Physical Store disk0s2
   1:                APFS Volume Macintosh HD            188.2 GB   disk1s1
   2:                APFS Volume Preboot                 22.2 MB    disk1s2
   3:                APFS Volume Recovery                519.6 MB   disk1s3
   4:                APFS Volume VM                      9.7 GB     disk1s4
/dev/disk2 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:     FDisk_partition_scheme                        *500.1 GB   disk2
   1:                 DOS_FAT_32 OUCHKA                  500.1 GB   disk2s1
/dev/disk3 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk3
   1:                        EFI EFI                     209.7 MB   disk3s1
   2:       Microsoft Basic Data STUDIO                  999.8 GB   disk3s2
MacBook-Pro-de-Robin-2:~ robinchabas$ diskutil verifyVolume disk2s1
Started file system verification on disk2s1 OUCHKA
Verifying file system
Volume is already unmounted
Performing fsck_msdos -n /dev/rdisk2s1
** /dev/rdisk2s1
** Phase 1 - Preparing FAT
** Phase 2 - Checking Directories
** Phase 3 - Checking for Orphan Clusters
Unable to read FAT (Input/output error)
63987 files, 15311392 KiB free (478481 clusters)
File system check exit code is 0
Restoring the original state found as unmounted
Finished file system verification on disk2s1 OUCHKA
MacBook-Pro-de-Robin-2:~ robinchabas$ diskutil repairVolume disk2s1
Started file system repair on disk2s1 OUCHKA
Repairing file system
Volume is already unmounted
Performing fsck_msdos -y /dev/rdisk2s1
** /dev/rdisk2s1
** Phase 1 - Preparing FAT
** Phase 2 - Checking Directories
** Phase 3 - Checking for Orphan Clusters
Unable to read FAT (Input/output error)
63987 files, 15311392 KiB free (478481 clusters)
File system check exit code is 0
Restoring the original state found as unmounted
Finished file system repair on disk2s1 OUCHKA
MacBook-Pro-de-Robin-2:~ robinchabas$