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Old 10-25-2008, 07:10 PM   #1
eramax
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Registered: Jul 2008
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i can not access my flash memory after installing ubuntu from flash


hi;

i have a problem in using my usb flash memory ;
this problem occur when installing ubuntu from usb flash only;
after that i can not use my flash and can not mount it and i get the message
Quote:
"Invalid mount option when attempting to mount the volume 'ERAMAX'"
since ERAMAX is my flash volume;
but if i used terminal to mount it manualy by using this command
Quote:
sudo mount /dev/sdb1 /mnt/flash
then i can access my flash for read only Not write ;
so this is my problem

i have another thing that may help that if i put another usb-flash memory while my flash in computer ,i can access the last usb-flash which will be at /dev/sdb2 because the first one at /dev/sdb1
so i can access any usb-flashes except the first flash i put which its device will be at /dev/sdb1

my fstab file is :-



Code:
# /etc/fstab: static file system information.
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
proc            /proc           proc    defaults        0       0
# /dev/sda5
UUID=e6ff228f-5693-4c36-8f1f-0581b1c0ce7d /               ext2    relatime,errors=remount-ro 0       1
# /dev/sda6
UUID=07f6a11d-8502-430f-92aa-0d71d51856ca none            swap    sw              0       0
/dev/sdb1       /media/cdrom0   udf,iso9660 user,noauto,exec,utf8 0       0
/dev/fd0        /media/floppy0  auto    rw,user,noauto,exec,utf8 0       0
thanks;
 
Old 10-27-2008, 04:49 AM   #2
dopla
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Registered: Aug 2008
Location: Beacon Bay, East London, South Africa
Distribution: Ubuntu
Posts: 30

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This line:

/dev/sdb1 /media/cdrom0 udf,iso9660 user,noauto,exec,utf8 0 0

Tells the system that /dev/sdb1 is either UDF or ISO9660 filesystem which is used by CD/DVD drives. Usually, CD/DVD drive device file is /dev/scd0 for laptops. Removable USB Flash disks should NOT have entries in /etc/fstab file UNLESS you will never remove it again (NB!).
I suggest doing this:
* try commenting the line mounting /dev/sdb1 in the /etc/fstab file
#/dev/sdb1 /media/cdrom0 udf,iso9660 user,noauto,exec,utf8 0 0
* Insert your USB Flash disk, it'll be automounted under /media directory
* Figure out the device file for CD/DVD drive (usually /dev/scd0) and replace /dev/sdb1 with it on the /etc/fstab like
/dev/scd0 /media/cdrom0 udf,iso9660 user,noauto,exec,utf8 0 0
* Insert a CD/DVD and see if it is mounted as expected.
 
Old 10-27-2008, 11:11 AM   #3
eramax
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Registered: Jul 2008
Posts: 17

Original Poster
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thanks so much dopla the problem has been solved by your help
thanks so much ;
 
  


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