[mdlug] Mystery file system

[R KANNAN]

Looks like the header infromation is missing. 'od -c' yields

000000  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0
*
0100000  \0   B   E   A   0   1 001  \0  \0  \0  \0  \0  \0  \0  \0  \0
0100020  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0
*
0104000  \0   N   S   R   0   3 001  \0  \0  \0  \0  \0  \0  \0  \0  \0
0104020  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0
*
0110000  \0   T   E   A   0   1 001  \0  \0  \0  \0  \0  \0  \0  \0  \0
0110020  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0

On Thu, Apr 7, 2011 at 10:38 PM, Aaron Kulkis <akulkis00 at gmail.com> wrote:
> R KANNAN wrote:
>> I got  data CD from someone and I am unable to mount the file system
>> on Linux but I can read it fine on Windows XP. The file system on
>> Windows says UDF and had about 700MB of data on it. While mounting on
>> Linux it just says
>>
>
> $ su
> password:
> # od -c /dev/dvdrecorder | less
>
>
> You should see the filesystem type spelled out in the first few characters.
>
> For example, here are the first few bytes of an XFS filesystem:
> root at kulkilap:/home/akulkis>  od -c /dev/sda6 | less
> 0000000   X   F   S   B  \0  \0 020  \0  \0  \0  \0  \0 001   O   7  \0
> 0000020  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0
>
>
>
>> mount: wrong fs type, bad option, bad superblock on /dev/dvdrecorder,
>>        missing codepage or other error
>>        In some cases useful info is found in syslog - try
>>        dmesg | tail  or so
>>
>> dmesg|tail shows
>> UDF-fs: No partition found (1)
>> Unable to identify CD-ROM format.
>> end_request: I/O error, dev sr0, sector 336000
>> Buffer I/O error on device sr0, logical block 42000
>> end_request: I/O error, dev sr0, sector 336000
>> Buffer I/O error on device sr0, logical block 42000
>> end_request: I/O error, dev sr0, sector 336000
>> Buffer I/O error on device sr0, logical block 42000
>> end_request: I/O error, dev sr0, sector 336000
>> Buffer I/O error on device sr0, logical block 42000
>> end_request: I/O error, dev sr0, sector 336000
>> Buffer I/O error on device sr0, logical block 42000
>> end_request: I/O error, dev sr0, sector 336000
>> Buffer I/O error on device sr0, logical block 42000
>> end_request: I/O error, dev sr0, sector 335944
>> Buffer I/O error on device sr0, logical block 41993
>> end_request: I/O error, dev sr0, sector 335944
>> Buffer I/O error on device sr0, logical block 41993
>> UDF-fs: No partition found (1)
>>
>> Any ideas?
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>
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