Martin Mokrejs wrote:
> Jean-Pierre André wrote:
>> Martin Mokrejs wrote:
>>> Hi Jean-Pierre,

[...]

>>>> You should have dumped the beginning of /dev/sdc5 to locate
>>>> an NTFS partition with the fields related to the geometry of
>>>> the drive left unfilled.
>>
>> [...]
>>
>>> Aha. How? Via dd with offset=4357349376-1 ?
>>
>> Either :
>>
>> dd if=/dev/sdc5 bs=512 count=1 | od -t x1
>>
>> or (provided 4357349376 does not get truncated) :
>>
>> dd if=/dev/sdc skip=4357349376 bs=512 count=1 | od -t x1
>>
>> or :
>>
>> dd if=/dev/sdc skip=544668672 bs=4096 count=1 | od -t x1 | head -n 32
>
> I did this form the hosting Linux-3.10.78 kernel (as was the smartctl
> and other commands
> in my previous emails, just to avoid potential issues with VirtualBox):
>
> vostro ~ # dd if=/dev/sdc5 bs=512 count=1 | od -t x1
> 1+0 records in
> 1+0 records out
> 512 bytes (512 B) copied, 0.00219365 s, 233 kB/s
> 0000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> 0001000
> vostro ~ # dd if=/dev/sdc skip=4357349376 bs=512 count=1 | od -t x1
> 1+0 records in
> 1+0 records out
> 512 bytes (512 B) copied, 0.00157466 s, 325 kB/s
> 0000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> 0001000
> vostro ~ # dd if=/dev/sdc skip=544668672 bs=4096 count=1 | od -t x1 |
> head -n 32
> 1+0 records in
> 1+0 records out
> 4096 bytes (4.1 kB) copied, 0.00156452 s, 2.6 MB/s
> 0000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> *
> 0010000
> vostro ~ #

So, either /dev/sdc5 has not been formatted, or something
is overflowing somehere...

Regards

Jean-Pierre



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