Can't mount usb

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Can't mount usb

Postby Ingenuitas on Wed Jul 08, 2009 9:28 am

fdisk -l returns
Disk /dev/sda: 30.0 GB, 30005821440 bytes
255 heads, 63 sectors/track, 3648 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00023250

Device Boot Start End Blocks Id System
/dev/sda1 * 1 3492 28049458+ 83 Linux
/dev/sda2 3493 3648 1253070 5 Extended
/dev/sda5 3493 3648 1253038+ 82 Linux swap / Solaris

Disk /dev/sdb: 131 MB, 131072000 bytes
255 heads, 63 sectors/track, 15 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00097e07

Device Boot Start End Blocks Id System
/dev/sdb1 1 15 120456 5 Extended

contents of /etc/fstab:
# /etc/fstab: static file system information.
#
# Use 'vol_id --uuid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
# / was on /dev/sda1 during installation
UUID=9793473f-f736-4e39-a27f-516886a43bba / ext3 relatime,errors=remount-ro 0 1
# swap was on /dev/sda5 during installation
UUID=db074981-f041-4a87-a100-84e9309aa8f9 none swap sw 0 0
/dev/scd0 /media/cdrom0 udf,iso9660 user,noauto,exec,utf8 0 0
/dev/fd0 /media/floppy0 auto rw,user,noauto,exec,utf8 0 0

The USB drive shows up in Computer but when I double click on its icon, I get "Can't Mount Location"

I'm thinking I may need to add a line in fstab, but not sure what it should contain or where it should go.

Any help greatly appreciated, I've got to use the USB to transfer a file from laptop to desktop, and this is a high priority for me.
Desktop is also Linuxmint (which I have finally settled on as my linux distro of choice, after approx. 6 years of trying many flavors!)
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Re: Can't mount usb

Postby DrHu on Wed Jul 08, 2009 12:01 pm

https://help.ubuntu.com/community/Mount/USB
In terminal
lsusb
--shows device as ??
--what does the file manager /media show ?

screenshot of mounted usb drive, /media
--should be /media/disk for the usb icon that appears on the desktop
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Re: Can't mount usb

Postby Ingenuitas on Wed Jul 08, 2009 12:38 pm

lsusb results:
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 003: ID 054c:008b Sony Corp. Micro Vault 64M Mass Storage
Bus 002 Device 002: ID 054c:0105 Sony Corp. Micro Vault Hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

I can't discover how to access file manage/media, results of gparted are attached.

The Ubuntu Community Documentation didn't help because I couldn't get past "To have a program automatically start when you plug in a device, go to System->Preferences->Removable Drives and Media." I couldn't find Preferences/Removable Drives and Media under the System tab.

Thanks.
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Re: Can't mount usb

Postby lagagnon on Wed Jul 08, 2009 12:53 pm

The reason you cannot mount (and thus access the device) is because it has not been formatted: there is no filesystem on the device. It has an extended partition, but an extended partition cannot be used - it requires a formatted logical partition within it. Please read the numerous tutorials all over the internet about partitioning - there is even one here on our howto forum.

I suggest you delete that extended partition and maybe create two primary partitions: one ext3 formatted for your Linux machine and backups and one FAT32 to perhaps share with your Windows boxes.
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Re: Can't mount usb

Postby Ingenuitas on Thu Jul 09, 2009 11:40 pm

Formatting was the trick! Problem solved. Thanks to all, great forum for solutions.
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