Eric Gisin said:
Are you running chkdsk regularly on this drive? What errors does it
find?
You have to be careful with disk removal with NTFS. FAT32 is more
forgiving.
-----Here it is without /f
C:\WINDOWS>chkdsk x:
The type of the file system is NTFS.
Volume label is BACKUP_USB_1.
WARNING! F parameter not specified.
Running CHKDSK in read-only mode.
CHKDSK is verifying files (stage 1 of 3)...
3 percent complete. (34 of 112 file records processed)
Deleting corrupt attribute record (128, "")
from file record segment 36.
112 file records processed.
File verification completed.
61 large file records processed.
Errors found. CHKDSK cannot continue in read-only mode.
-----with /f
C:\WINDOWS>chkdsk x:/f
The type of the file system is NTFS.
Volume label is BACKUP_USB_1.
CHKDSK is verifying files (stage 1 of 3)...
3 percent complete. (34 of 112 file records processed)
Deleting corrupt attribute record (128, "")
from file record segment 36.
112 file records processed.
File verification completed.
61 large file records processed.
0 bad file records processed.
0 EA records processed.
0 reparse records processed.
CHKDSK is verifying indexes (stage 2 of 3)...
Correcting error in index $I30 for file 5.
Correcting error in index $I30 for file 5.
Sorting index $I30 in file 5.
16 percent complete. (9 of 273 index entries processed)
Correcting error in index $SDH for file 9.
Correcting error in index $SDH for file 9.
Sorting index $SDH in file 9.
30 percent complete. (56 of 273 index entries processed)
Correcting error in index $I30 for file 27.
Correcting error in index $I30 for file 27.
Sorting index $I30 in file 27.
273 index entries processed.
Index verification completed.
CHKDSK is recovering lost files.
89 percent complete. (1 of 23 unindexed files processed)
Recovering orphaned file $MFT (0) into directory file 5.
Recovering orphaned file $MFTMirr (1) into directory file 5.
90 percent complete. (3 of 23 unindexed files processed)
Recovering orphaned file $LogFile (2) into directory file 5.
Recovering orphaned file $Volume (3) into directory file 5.
Recovering orphaned file $AttrDef (4) into directory file 5.
Recovering orphaned file . (5) into directory file 5.
Recovering orphaned file $Bitmap (6) into directory file 5.
Recovering orphaned file $Boot (7) into directory file 5.
Recovering orphaned file $BadClus (8) into directory file 5.
Recovering orphaned file $Secure (9) into directory file 5.
Recovering orphaned file $UpCase (10) into directory file 5.
Recovering orphaned file $Extend (11) into directory file 5.
Recovering orphaned file SYSTEM~1 (27) into directory file 5.
Recovering orphaned file System Volume Information (27) into directory file
5.
Recovering orphaned file MOUNTP~1 (28) into directory file 27.
Recovering orphaned file MountPointManagerRemoteDatabase (28) into directory
fil
e 27.
Recovering orphaned file tracking.log (29) into directory file 27.
Recovering orphaned file Backups (30) into directory file 5.
91 percent complete. (17 of 23 unindexed files processed)
Recovering orphaned file ARCHIV~1 (31) into directory file 5.
Recovering orphaned file Archives1 (31) into directory file 5.
Recovering orphaned file ARCHIV~2 (32) into directory file 5.
Recovering orphaned file Archives2 (32) into directory file 5.
Recovering orphaned file 97{380~1 (36) into directory file 27.
Recovering orphaned file 97{3808876b-c176-4e48-b7ae-04046e6cc752} (36) into
dire
ctory file 27.
24 unindexed files processed.
CHKDSK is verifying security descriptors (stage 3 of 3)...
Inserting an index entry with Id 256 into index $SDH of file 9.
Inserting an index entry with Id 257 into index $SDH of file 9.
Inserting an index entry with Id 258 into index $SDH of file 9.
Inserting an index entry with Id 259 into index $SDH of file 9.
Inserting an index entry with Id 260 into index $SDH of file 9.
Inserting an index entry with Id 261 into index $SDH of file 9.
Inserting an index entry with Id 262 into index $SDH of file 9.
Inserting an index entry with Id 263 into index $SDH of file 9.
Repairing the security file record segment.
Replacing missing or invalid security descriptor for file 5.
112 security descriptors processed.
Security descriptor verification completed.
Inserting data attribute into file 36.
12 data files processed.
Correcting errors in the Master File Table (MFT) mirror.
Correcting errors in the uppercase file.
Correcting errors in the master file table's (MFT) BITMAP attribute.
Correcting errors in the Volume Bitmap.
Windows has made corrections to the file system.
732572000 KB total disk space.
6919208 KB in 5 files.
24 KB in 13 indexes.
0 KB in bad sectors.
88408 KB in use by the system.
65536 KB occupied by the log file.
725564360 KB available on disk.
4096 bytes in each allocation unit.
183143000 total allocation units on disk.
181391090 allocation units available on disk.