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Re: [K12OSN] USB mount error - not a valid block device

COOL!! Your explanation made sense and it worked! I wish I could have educated guesses like that one.
Thanks Calvin.

Calvin Dodge wrote:
On Sat, Oct 09, 2004 at 07:34:30PM +1000, Debbie Schiel wrote:

Hello everyone,

I'm having problems accessing my usb pen on my server/local machine. I have looked on google for advice and followed the instructions on http://www.k12ltsp.org/phpwiki/index.php/Technical:Storage:USB

here's what happens:

[debbie localhost debbie]$ su
[root localhost debbie]# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
 Vendor: USB 2.0  Model: Flash Disk       Rev: PROL
 Type:   Direct-Access                    ANSI SCSI revision: 02
[root localhost debbie]# cat /proc/scsi/usb-storage/0
  Host scsi0: usb-storage
      Vendor: USB 2.0 Flash Disk
     Product: USB Mass Storage Device
Serial Number: None
    Protocol: 8070i
   Transport: Bulk
[root localhost debbie]# mkdir /tmp/flash
mkdir: cannot create directory `/tmp/flash': File exists
[root localhost debbie]# mount /dev/sda1 /tmp/flash
mount: /dev/sda1 is not a valid block device

Everyone uses these usb pens nowadays so it must be fairly simple to configure (unless your name is Debbie!).
Any ideas or pointers?

I suspect the problem is this: some USB devices are formatted like hard drives,
with a partition table at the beginning, then 1 or more partitions to follow.

But other USB devices are formatted like floppies, where the partition occupies
the entire drive, and there is no partition table.

At a guess, I'd say yours is formatted the second way. Try "mount /dev/sda /tmp/flash"


-- http://www.redeemer.qld.edu.au/

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