-bash-3.2# diskutil verifyVolume disk23
Started file system verification on disk23
Verifying storage system
Performing fsck_apfs -n -x /dev/disk2s2
warning: nx_block_count is 122045436, while device block count is 122012668
error: object (oid 0x1): o_cksum (0x9e036bab2a035f85) is invalid for...