help with USB drive

[Charles Li]

Sorry, it’s actually a usb pen drive, with 128MB of
space.  It was default formatted when I got it.

I mounted the drive in another machine and it came up
fine.
When I do mount on this machine, I get this:
/dev/sda1 on /media/UDISK_2_0 type vfat

I was thinking that the usb port on the first machine
is bad, but if it’s bad, why would the light come on
when I plug in the drive?  Is there a way to test the
usb port?

Thanks,
Charles Li


--- Erik Hemdal <ehemdal at townisp.com> wrote:
> 
> > Its formated as vfat.  When I plug it in, the
> light on
> > the drive stays on for about 1 minute and then its
> > off.  Also, I did not get anything from the
> > /var/log/messages file with the tail -f.  When I
> do a
> > fdisk -l, it did not show up as well. ???
> 
> Charles:  Let's see what we have here.  Maybe a
> little more information will
> help to fix the problem.
> 
> What kind/size of USB disk are you using?  I have a
> 120GB Maxtor drive and a
> 160GB Iomega HDD disk and both are happy.
> 
> Is the disk connected to the computer when the
> system boots?  If so the
> output of 'dmesg' should show you what device file
> belongs to the disk. 
> 
> Were you able to determine the device file name,
> like '/dev/sda1' or
> '/dev/sdb2', that it is using?
> 
> When you say that the disk is formatted as vfat,
> does this mean that you
> executed the mkfs command?  You would have done
> something like
> 
> mkfs -t vfat /dev/sda1
> 
> to do this. 
> 
> I had a problem with the virgin format on my Iomega
> disk from the factory.
> Although the partitions were acceptable to Windows,
> parted reported that
> partitions were overlapped and the disk was not
> usable on Linux.  I had
> similar results to yours:  the disk would spin up,
> run for a bit, and then
> shut down.  After using mkfs, I was able to use the
> disk (I used ext3
> instead of vfat to get support for large files). 
> But out of the box, it did
> not work.  The Maxtor disk had no issues once I
> discovered the proper device
> file name.
> 
> Perhaps this will give you some ideas that will help
> you solve the problem.
> Remember that running mkfs will take a long time on
> a large disk (mine took
> about an hour), and WILL DESTROY DATA on the disk.
> 
> Erik 
> 
> 
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