What is chkdsk trying to tell me?


  1. Dominicus
    Posts : 1
    Win10 Pro
       New #1

    What is chkdsk trying to tell me?


    A few months after migrating to Win10, and after applying the Anniversary edition update, I had been experiencing issues of PC hung applying other Windows updates (several updates got to restart stage but would stay 8+ hrs overnight in blue limbo), error messages from my whole-disk backup solution about unreadable sectors, and crashing apps.
    My boot drive is a Samsung 2TB green SATA, in service for ~2 yrs.
    I ran "chkdsk c: /f /x", which spent 4+ hrs to run.
    Below is the chkdsk log output...chkdsk had a busy time fixing the drive, but sill reports no bad sectors.
    PC is working OK now, and drive backup completed without complaints.

    My question: are these log results indicative of HDD degradation, or is it more likely product of those multiple hung states where I had to force-power-cycle my PC?

    Code:
    Checking file system on C:
The type of the file system is NTFS.

One of your disks needs to be checked for consistency. You
may cancel the disk check, but it is strongly recommended
that you continue.
Windows will now check the disk.                         

Stage 1: Examining basic file system structure ...
Attribute record of type 0x80 and instance tag 0x0 is cross linked
starting at 0xf1664 for possibly 0xc clusters.
Some clusters occupied by attribute of type 0x80 and instance tag 0x0
in file 0x2cf2 is already in use.
The attribute of type 0x80 and instance tag 0x0 in file 0x2cf2
has allocated length of 0x7f25000 instead of 0x3160000.
Deleted corrupt attribute list entry
with type code 128 in file 11506.
Unable to locate attribute with instance tag 0x0 and segment
reference 0x7da000000000bf2.  The expected attribute type is 0x80.
Deleting corrupt attribute record (0x80, "")
from file record segment 0xBF2.
Unable to locate attribute with instance tag 0x0 and segment
reference 0x13000000002c84.  The expected attribute type is 0x80.
Deleting corrupt attribute record (0x80, "")
from file record segment 0x2C84.
Unable to locate attribute with instance tag 0x0 and segment
reference 0xe000000002c87.  The expected attribute type is 0x80.
Deleting corrupt attribute record (0x80, "")
from file record segment 0x2C87.
Unable to locate attribute with instance tag 0x0 and segment
reference 0x10000000002c88.  The expected attribute type is 0x80.
Deleting corrupt attribute record (0x80, "")
from file record segment 0x2C88.
Unable to locate attribute with instance tag 0x0 and segment
reference 0x59000000002ca1.  The expected attribute type is 0x80.
Deleting corrupt attribute record (0x80, "")
from file record segment 0x2CA1.
Unable to locate attribute with instance tag 0x0 and segment
reference 0x4f000000002ca4.  The expected attribute type is 0x80.
Deleting corrupt attribute record (0x80, "")
from file record segment 0x2CA4.
Unable to locate attribute with instance tag 0x0 and segment
reference 0x54000000002ca5.  The expected attribute type is 0x80.
Deleting corrupt attribute record (0x80, "")
from file record segment 0x2CA5.
Unable to locate attribute with instance tag 0x0 and segment
reference 0x6b000000002cb8.  The expected attribute type is 0x80.
Deleting corrupt attribute record (0x80, "")
from file record segment 0x2CB8.
Unable to locate attribute with instance tag 0x0 and segment
reference 0x79000000002d06.  The expected attribute type is 0x80.
Deleting corrupt attribute record (0x80, "")
from file record segment 0x2D06.
Cleaning up instance tags for file 0x137e3.
  772864 file records processed.                                                         File verification completed.
Deleting orphan file record segment 3058.
Deleting orphan file record segment 11396.
Deleting orphan file record segment 11399.
Deleting orphan file record segment 11400.
Deleting orphan file record segment 11425.
Deleting orphan file record segment 11428.
Deleting orphan file record segment 11429.
Deleting orphan file record segment 11448.
  9435 large file records processed.                                      0 bad file records processed.                                      
Stage 2: Examining file name linkage ...
  889540 index entries processed.                                                        Index verification completed.
  0 unindexed files scanned.                                           0 unindexed files recovered to lost and found.                     
Stage 3: Examining security descriptors ...
Cleaning up 5604 unused index entries from index $SII of file 0x9.
Cleaning up 5604 unused index entries from index $SDH of file 0x9.
Cleaning up 5604 unused security descriptors.
Security descriptor verification completed.
Inserting data attribute into file 11506.
  58340 data files processed.                                            CHKDSK is verifying Usn Journal...
Usn Journal verification completed.
CHKDSK discovered free space marked as allocated in the
master file table (MFT) bitmap.
CHKDSK discovered free space marked as allocated in the volume bitmap.


Windows has made corrections to the file system.
No further action is required.


1952949247 KB total disk space.
1003837952 KB in 571763 files.
    344528 KB in 58340 indexes.
         0 KB in bad sectors.
    906587 KB in use by the system.
     65536 KB occupied by the log file.
 947860180 KB available on disk.


      4096 bytes in each allocation unit.
 488237311 total allocation units on disk.
 236965045 allocation units available on disk.


Internal Info:
00 cb 0b 00 85 9b 09 00 4c ed 11 00 00 00 00 00  ........L.......
e9 78 00 00 a2 0b 00 00 00 00 00 00 00 00 00 00  .x..............


Windows has finished checking your disk.
Please wait while your computer restarts.
      My Computer
    Quote Quote

  3. simrick
    Posts : 16,325
    W10Prox64
       New #2

    Hi.
    I would install Crystal Disk Info Free (standard is fine) and have a look at the SMART attributes of your drive; see if any are failing. File system corruption can happen, and the disk health could be fine. Yes, forced power cycling can do this.
      My Computer
    Quote Quote

  4. axe0
    Posts : 14,903
    Windows 10 Pro
       New #3

    Hi Dominicus,

    Welcome to the 10forums :)

    I would say that the log is not a sign of a HDD degradation, more a sign of a file system that hasn't had a maintenance in a long time.
      My Computers
    Quote Quote

  6. Slartybart
    Posts : 3,502
    Win_8.1-Pro, Win_10.1607-Pro, Mint_17.3
       New #4

    I agree with axe0, but I have a few other questions.
    Please follow simricks request first - Crystal disk will tell you more about the health of the drive, so that is important.

    • Is this a cloned drive?

    • Is there more than one drive connected?
      <+> Please post a Disk management screen shot

    • What Anti-Virus product do you use?

    • Are you reliant on Restore points? If not, clean them all up.
      Disk Cleanup - Open and Use in Windows 10 - Windows 10 Forums
      (I select everything, you might want to be more selective)

    • Is Bitlocker or other encryption used?

    • What backup do you use?

    • Check Device Manager for ghost entries
      1. Set environment variable
        System Properties > Environment variables
        In the top section, User vars, add a new entry

        devmgr_show_nonpresent_devices
        1

        What is chkdsk trying to tell me?-devmgrnonpresent.png

      2. Open Device Manager
        View menu
        Pick Show hidden devices
        Right click all ghost items
        <!> A ghost entry is greyed out
        Select the uninstall menu pick
      My Computer
    Quote Quote

 

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