Re: Variable path of one-partition devices

Fisrt of all thank you for replying ;-)

> Luxman <notime@xxxxxxxxxx> wrote:
>>> Some USB devices are partitioned. Some aren't.
>
>> Ok.Let's say I got two USB pen drives by MyFlash and I use them the first
>> time on M$ XP: I then got them both automatically partitioned with a FAT
>> fs, right?
>
> No. Why on earth do you think so? Do you have an MS application that
> partitions and reformats USB pen drives? And you use it?

You are right!I meant that M$ XP formats the device, sorry about that...

>
>> Yet maybe when I plug them upon Linux maybe I get the /dev/sdx
>> path for one and a /dev/sdx1 path for the other.
>
> You don't "get" anything - you are in charge!

I didn't specify that I'm using Udev which automagically creates device
files wherever it's needed

>
>> What's the difference in
>> this case?I assume they both have that 512Bytes first-sector you were
>> writing about...
>
> There is nothing in this babble! Either the thing is partitioned or it
> isn't! If it is, then linux will certainly see the partition as YOU
> load the driver for it, as the first sector is usually read by the
> driver at that point. So IF you are running a linux distro that uses
> devfs AND you have devfs mounted and the driver notifies devfs (or udev,
> or whatever) then the driver will register some minor device nodes like
> /dev/sda1 in /dev, as well as the major one, /dev/sda.
>
Ok.Here's the practical example: I got these two Usb pen drives and I use
them mostly on Linux but they have been FAT formatted with XP.I'd like to
know why I need to mount one of them using the minor device file /dev/sda1
whereas the other one needs to be mounted using /dev/sda

> Peter

Thank you Peter :-)
.

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