Question

Inconsistent snapshot disks

  • 24 September 2018
  • 0 replies
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We observed inconsistency in snapshot disks when both IDE and SCSI disk types are configured for a VM.
To identify inconsistency, we ran chkdsk command for volume present on attached snapshot disk on backup proxy and chkdsk reported errors.


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

Stage 1: Examining basic file system structure ...

Deleted corrupt attribute list entry
with type code 128 in file 96102.
Deleting corrupt attribute record (128, "")
from file record segment 97755.
Deleting corrupt attribute record (128, "")
from file record segment 98086.
Deleting corrupt attribute record (128, "")
from file record segment 98980.
Deleting corrupt attribute record (128, "")
from file record segment 100967.
Deleting corrupt attribute record (128, "")
from file record segment 103784.
Deleting corrupt attribute record (128, "")
from file record segment 119258.


126720 file records processed.

File verification completed.


3145 large file records processed.


0 bad file records processed.

Stage 2: Examining file name linkage ...

Correcting error in index $I30 for file 101238.
Correcting error in index $I30 for file 101238.
CHKDSK discovered free space marked as allocated in the bitmap for index $I30 fo
r file 101238.
Sorting index $I30 in file 101238.
Deleting index entry ASAHVVMOperation.exe.CheckNutanixVssFiles.txt in index $I30
of file 101241.
Deleting index entry ASAHVV~1.TXT in index $I30 of file 101241.
Deleting index entry AS992B~1.LOG in index $I30 of file 101305.
Deleting index entry ASAHVVMOperation.exe.2018-0910-202243-849.13040.log in inde
x $I30 of file 101305.


173294 index entries processed.

Index verification completed.
CHKDSK is scanning unindexed files for reconnect to their original directory.
Recovering orphaned file APPXPR~1.DLL (101244) into directory file 101238.
Recovering orphaned file AppxProvider.dll (101244) into directory file 101238.
Recovering orphaned file ASSOCP~1.DLL (101245) into directory file 101238.
Recovering orphaned file AssocProvider.dll (101245) into directory file 101238.

Recovering orphaned file CBSPRO~1.DLL (101269) into directory file 101238.
Recovering orphaned file CbsProvider.dll (101269) into directory file 101238.
Recovering orphaned file COMPAT~1.DLL (101271) into directory file 101238.
Recovering orphaned file CompatProvider.dll (101271) into directory file 101238.

Recovering orphaned file DismCore.dll (101308) into directory file 101238.
Recovering orphaned file DISMCO~1.DLL (101380) into directory file 101238.
Skipping further messages about recovering orphans.


13 unindexed files scanned.


0 unindexed files recovered.

Stage 3: Examining security descriptors ...
Security descriptor verification completed.
Inserting data attribute into file 96102.


23289 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.

156772351 KB total disk space.
26200608 KB in 85552 files.
67584 KB in 23289 indexes.
0 KB in bad sectors.
197583 KB in use by the system.
65536 KB occupied by the log file.
130306576 KB available on disk.

4096 bytes in each allocation unit.
39193087 total allocation units on disk.
32576644 allocation units available on disk.

C:\Users\Administrator>

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