How to use flash drive ?

Bob Goodwin - W2BOD bobgoodwin at wildblue.net
Sun Jun 17 17:16:58 UTC 2007


Richard England wrote:
> Bob Goodwin - W2BOD wrote:
>>
>> I received a Father's day gift -  PNY 4 Gig flash drive.
>>
>> FC-6 sees it as /dev/sdc1, /media/USB2FD and fdisk reports as below.  
>> How do I
>> Use this gadget?  I think I saw something on the list advising
>> not to reformat or change the file system?
>>
>> Can I use it as is and how do I deal with it?
>>
>> Bob Goodwin
>>
>>
>> Disk /dev/sdc1: 4127 MB, 4127178752 bytes
>> 127 heads, 62 sectors/track, 1023 cylinders
>> Units = cylinders of 7874 * 512 = 4031488 bytes
>>
>> This doesn't look like a partition table
>> Probably you selected the wrong device.
>>
>>     Device Boot      Start         End      Blocks   Id  System
>> /dev/sdc1p1   ?      245877      481063   925929529+  68  Unknown
>> Partition 1 has different physical/logical beginnings (non-Linux?):
>>     phys=(116, 100, 32) logical=(245876, 10, 29)
>> Partition 1 has different physical/logical endings:
>>     phys=(288, 101, 46) logical=(481062, 82, 59)
>> Partition 1 does not end on cylinder boundary.
>> /dev/sdc1p2   ?      168934      237384   269488144   79  Unknown
>> Partition 2 has different physical/logical beginnings (non-Linux?):
>>     phys=(357, 32, 43) logical=(168933, 92, 47)
>> Partition 2 has different physical/logical endings:
>>     phys=(0, 13, 10) logical=(237383, 108, 42)
>> Partition 2 does not end on cylinder boundary.
>> /dev/sdc1p3   ?       68452      246045   699181456   53  OnTrack DM6 
>> Aux3
>> Partition 3 has different physical/logical beginnings (non-Linux?):
>>     phys=(345, 32, 19) logical=(68451, 100, 18)
>> Partition 3 has different physical/logical endings:
>>     phys=(324, 77, 19) logical=(246044, 29, 49)
>> Partition 3 does not end on cylinder boundary.
>> /dev/sdc1p4   ?      177119      177121       10668+  49  Unknown
>> Partition 4 has different physical/logical beginnings (non-Linux?):
>>     phys=(87, 1, 0) logical=(177118, 8, 36)
>> Partition 4 has different physical/logical endings:
>>     phys=(335, 78, 2) logical=(177120, 98, 44)
>> Partition 4 does not end on cylinder boundary.
>>
>> Partition table entries are not in disk order
>>
>>
>
> I have a 1GB device from Memorex that shows up as follows.   Just us 
> it as any other file system.  You should be able to drag and drop, or 
> use the CLI to mkdir, rm, etc.   It is a VFAT partition and the system 
> will know how to handle it.
>
> ~~R
>
>
> # fdisk -l /dev/sdb1
>
> Disk /dev/sdb1: 1031 MB, 1031782400 bytes
> 32 heads, 62 sectors/track, 1015 cylinders
> Units = cylinders of 1984 * 512 = 1015808 bytes
>
> This doesn't look like a partition table
> Probably you selected the wrong device.
>
>     Device Boot      Start         End      Blocks   Id  System
> /dev/sdb1p1   ?      857863     1679192   814758329+  74  Unknown
> Partition 1 has different physical/logical beginnings (non-Linux?):
>     phys=(288, 110, 36) logical=(857862, 6, 45)
> Partition 1 has different physical/logical endings:
>     phys=(366, 104, 37) logical=(1679191, 5, 29)
> Partition 1 does not end on cylinder boundary.
> /dev/sdb1p2   ?      670456      942118   269488144   65  Novell 
> Netware 386
> Partition 2 has different physical/logical beginnings (non-Linux?):
>     phys=(107, 121, 32) logical=(670455, 23, 47)
> Partition 2 has different physical/logical endings:
>     phys=(10, 121, 13) logical=(942117, 5, 42)
> Partition 2 does not end on cylinder boundary.
> /dev/sdb1p3   ?      271669      976489   699181456   53  OnTrack DM6 
> Aux3
> Partition 3 has different physical/logical beginnings (non-Linux?):
>     phys=(345, 32, 19) logical=(271668, 1, 18)
> Partition 3 has different physical/logical endings:
>     phys=(324, 77, 19) logical=(976488, 1, 49)
> Partition 3 does not end on cylinder boundary.
> /dev/sdb1p4   ?     1970322     1970355       32669+  bb  Boot Wizard 
> hidden
> Partition 4 has different physical/logical beginnings (non-Linux?):
>     phys=(65, 1, 0) logical=(1970321, 27, 29)
> Partition 4 has different physical/logical endings:
>     phys=(96, 0, 7) logical=(1970354, 25, 19)
> Partition 4 does not end on cylinder boundary.
>
> Partition table entries are not in disk order
>
Ok, yours looks similar to mine in fdisk.

I will try treating it like an external hard drive then.  It will still 
take some time to trust it!  I was able to use a miniature 40G hard 
drive she loaned me last week, that just worked, guess this is similar.

Thanks all.

Bob Goodwin




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