-bash-3.2# diskutil repairVolume disk2
Started file system repair on disk2
Repairing storage system
Performing fsck_apfs -y -x /dev/disk0s2
Checking volume
Checking the container superblock
Checking the EFI jumpstart record
Checking the space manager
Checking the object map
Checking the APFS volume superblock
Checking the object map
error: mount_apfs exit status 73
The volume /dev/disk0s2 could not be verified completely
Storage system check exit code is 78
Error: -69716: Storage system verify or repair failed
Underlying error: 78: Function not implemented
-bash-3.2#
