C:\>chkdsk G: /r
The type of the file system is NTFS.

Stage 1: Examining basic file system structure ...
  107520 file records processed.
File verification completed.
 Phase duration (File record verification): 1.60 seconds.
  582 large file records processed.
 Phase duration (Orphan file record recovery): 0.00 milliseconds.
  0 bad file records processed.
 Phase duration (Bad file record checking): 0.35 milliseconds.

Stage 2: Examining file name linkage ...
  44 reparse records processed.
  114044 index entries processed.
Index verification completed.
 Phase duration (Index verification): 19.50 seconds.
  0 unindexed files scanned.
 Phase duration (Orphan reconnection): 12.05 milliseconds.
  0 unindexed files recovered to lost and found.
 Phase duration (Orphan recovery to lost and found): 0.81 milliseconds.
  44 reparse records processed.
 Phase duration (Reparse point and Object ID verification): 2.52 milliseconds.

Stage 3: Examining security descriptors ...
Security descriptor verification completed.
 Phase duration (Security descriptor verification): 44.56 milliseconds.
  3262 data files processed.
 Phase duration (Data attribute verification): 0.64 milliseconds.

Stage 4: Looking for bad clusters in user file data ...
  107504 files processed.
File data verification completed.
 Phase duration (User file recovery): 1.30 hours.

Stage 5: Looking for bad, free clusters ...
  26262869 free clusters processed.
Free space verification is complete.
 Phase duration (Free space recovery): 0.00 milliseconds.

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

 488383487 KB total disk space.
 383117032 KB in 103312 files.
     26556 KB in 3264 indexes.
         0 KB in bad sectors.
    188419 KB in use by the system.
     65536 KB occupied by the log file.
 105051480 KB available on disk.

      4096 bytes in each allocation unit.
 122095871 total allocation units on disk.
  26262870 allocation units available on disk.
Total duration: 1.30 hours (4713133 ms).