unable to mount usb.

[Eial Czerwacki]

On 01/25/2012 06:13 AM, naveen yadav wrote:

> Also pls check by which file system you have format  your USB also .
> 
> thanks
> 
> On Tue, Jan 24, 2012 at 1:29 PM, Eial Czerwacki <eial at scalemp.com> wrote:
>> On 01/24/2012 09:51 AM, ralda at gmx.de wrote:
>>
>>> Ohps ...
>>>
>>>> brw-r-----    1 root     root        8,  16 Jan 24 06:50 /dev/sdb
>>>> brw-r-----    1 root     root        8,  17 Jan 24 06:50 /dev/sdb0
>>>> brw-r-----    1 root     root        8,  18 Jan 24 06:50 /dev/sdb1
>>>
>>> ... who did create those?
>>>
>>>> cat /proc/partitions
>>>> major minor  #blocks  name
>>>
>>>>   8        0     125440 sda
>>>>   8        1          0 sda1
>>>>   8       16    1972223 sdb
>>>>   8       17    1970546 sdb1
>>>
>>> Do you see it? sdb1 (block 8,17) is /dev/sdb0 which is not correct. The
>>> name sb0 is normally not used. Correct naming sequence is sdb, sb1,
>>> sdb2, ...
>>>
>>> ... that is your trouble you try to mount (open) /dev/sdb1 which is
>>> block device 8,18 and that device does not exist according to
>>> you /proc/partitions output.
>>>
>>> Correct your device file definitions.
>>>
>>> --
>>> Harald
>>>
>>
>>
>> ok, I'll take a look.
>>
>> Eial.
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> 


problem solved, it was indeed the major/minor.

Thanks all of the help.

Eial.