Windows 8 diagnostics

chkdsk output

The type of the file system is NTFS.
Volume label is Windows8_OS.

WARNING!  F parameter not specified.
Running CHKDSK in read-only mode.

CHKDSK is verifying files (stage 1 of 3)...
  236288 file records processed.
File verification completed.
  5607 large file records processed.
  0 bad file records processed.

CHKDSK is verifying indexes (stage 2 of 3)...
  314392 index entries processed.
Index verification completed.
  0 unindexed files scanned.
  0 unindexed files recovered.

CHKDSK is verifying security descriptors (stage 3 of 3)...
Security descriptor verification completed.
  39053 data files processed.
CHKDSK is verifying Usn Journal...
  34653384 USN bytes processed.
Usn Journal verification completed.

Windows has scanned the file system and found no problems.
No further action is required.

 927129599 KB total disk space.
 170378608 KB in 187158 files.
    110512 KB in 39054 indexes.
         0 KB in bad sectors.
    383567 KB in use by the system.
     65536 KB occupied by the log file.
 756256912 KB available on disk.

      4096 bytes in each allocation unit.
 231782399 total allocation units on disk.
 189064228 allocation units available on disk.