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Macintosh:~ MacGé$ diskutil repairVolume /dev/disk5s1
Started file system repair on disk5s1 Clone MX 300
Repairing file system
Volume was successfully unmounted
Performing fsck_apfs -y -x /dev/rdisk5s1
Checking the container superblock
Checking the EFI jumpstart record
Checking the space manager
Checking the space manager free queue trees
Checking the object map
Checking volume
Checking the APFS volume superblock
The volume Clone MX 300 was formatted by diskmanagementd (945.200.129) and last modified by apfs_kext (945.230.6)
Checking the object map
Checking the snapshot metadata tree
Checking the snapshot metadata
Checking the extent ref tree
Checking the fsroot tree
Verifying allocated space
Performing deferred repairs
The volume /dev/rdisk5s1 appears to be OK
File system check exit code is 0
Restoring the original state found as mounted
Finished file system repair on disk5s1 Clone MX 300
cette commande dans le terminal génère un fsck_apfs -y -x /dev/rdisk5s1 identique avec le SOS d'utilitaire de disque en mode graphique.
n'étant pas du tout du tout un familier du terminal je ne puis t'en dire plus.