C: \ Windows \ system32> chkdsk o:
The file system type is NTFS.
Volume label: 7_SSD_C.
WARNING! Parameter F was not specified
Running CHKDSK in read-only mode.
CHKDSK checks files (level 1 of 3)
Processed file records: 510464.
File check is complete.
Large file records processed: 2545.
Records of corrupted files processed: 0.
Processed extended attribute records: 2.
Processed reanalysis records: 71.
CHKDSK checks indexes (level 2 of 3)
Processed index entries: 617836.
Index verification complete.
Scanned non-indexed files: 0.
Recovered non-indexed files: 0.
CHKDSK checks security descriptors (level 3 of 3)
Processed security descriptors / file IDs: 510464.
Security descriptor checking completed.
Processed data files: 53687.
Checking Usn log ...
Converted USN bytes: 39857264.
Usn log validation complete.
Windows has checked the file system and found no problems.
488,281,087 KB of total disk space.
142 716 140 KB in 430,652 files.
251468 KB in 53 688 indexes.
0 KB in bad sectors.
633835 KB used by the system.
65536 KB consumed by the log file.
344679644 KB available on disk.
4096 bytes in each allocation unit.
122070271 Total allocation units on disk.
86169911 allocation units available on disk.