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

Debbie Schiel debbie at redeemer.qld.edu.au
Sat Oct 9 22:33:40 UTC 2004

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 
>>here's what happens:
>>[debbie at localhost debbie]$ su
>>[root at 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 at 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
>>       Quirks:
>>[root at localhost debbie]# mkdir /tmp/flash
>>mkdir: cannot create directory `/tmp/flash': File exists
>>[root at 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"
> Calvin


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