You would be best advised not to run CHKDSK in repair mode on a
potentially failing drive. That's because Microsoft is more concerned
with maintaining a consistent file system, so it will sacrifice your
data to this end.
When a file system becomes RAW, it means that some metadata has become
corrupt or unreadable to the extent that Windows is unable to identify
and/or mount the volume. Windows then treats the NTFS volume as just a
bunch of bits. The most common reason that this happens is that some
critical sectors have become unreadable.
I would examine the SMART report. Look for non-zero raw values for the
reallocated, pending and uncorrectable sector counts.
On 2/02/2023 2:21 am, roger.peter...@accountant.com wrote:
Hello,
I am interested in your program Ddrescue as it may prove to be useful
for my scnario. I have written up details of my problem and posted them
here
([1]https://www.tenforums.com/drivers-hardware/202207-samsung-ssd-2-5-e
vo-970-raw-corruption-ntfs.html#post2508531).
SSD Specifications:
Samsung 2.5" EVO 970 1TB
Partition 1 on letter X:\ with 512,001 MB as NTFS on MBR. Formatted
with 4096 cluster size. Approximately, 280 GB was used and written to.
Note that this SSD has no physical damage and is in excellent health.
Samsung software disk quality checks, firmware updates and full format
were ran before putting into use.
Scenario:
Running robocopy.exe from the SSD to cloud storage overnight. Awoken in
morning to find SSD in 'corrupt' state and unable to access data via
Windows Explorer. USB C ports were intact, no removal of wires or loss
of power and unknown why this has occurred.
May I kindly request for urgent assistance in my matter. I'm attempting
to clone the SSD that may contain bad sectors before attempting to
repair.
Kind regards,
Roger
References
1.
https://www.tenforums.com/drivers-hardware/202207-samsung-ssd-2-5-evo-970-raw-corruption-ntfs.html#post2508531