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I have an NTFS formatted 500 GB external USB drive. It works fine on Windows, and I want to know how to use it on Ubuntu. Running 12.10 on Wubi.

The external disk is sda3 and I also have an internal disk Windows partition called Data (sda5).

Outputs of fdisk etc. in case it helps.

sumesh@ubuntu:~$ sudo fdisk -l

Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x7b7d7843

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048      206847      102400    7  HPFS/NTFS/exFAT
/dev/sda2          208896   145934459    72862782    7  HPFS/NTFS/exFAT
/dev/sda3       145934460   976768064   415416802+   f  W95 Ext'd (LBA)
/dev/sda5       145934523   976768064   415416771    7  HPFS/NTFS/exFAT

sumesh@ubuntu:~$ sudo df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/loop0       24G  4.7G   18G  21% /
udev            1.9G  8.0K  1.9G   1% /dev
tmpfs           777M  1.0M  776M   1% /run
none            5.0M     0  5.0M   0% /run/lock
none            1.9G  536K  1.9G   1% /run/shm
none            100M   36K  100M   1% /run/user
/dev/sda2        70G   61G  9.0G  88% /host
/dev/sda5       397G  364G   33G  92% /media/sumesh/Data</code>

sumesh@ubuntu:~$ lsusb
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 003 Device 002: ID 05e3:0606 Genesys Logic, Inc. USB 2.0 Hub / D-Link DUB-H4 USB 2.0 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 04f2:b252 Chicony Electronics Co., Ltd 
Bus 003 Device 003: ID 0a81:0101 Chesen Electronics Corp. Keyboard
Bus 003 Device 004: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse

Thanks in advance for any help!

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Nothing happens when you plugin this USB disk? Normal behavior would be automatically mounting and opening it in Nautilus. If this doesn't happen, you can perhaps see it in the sidebar of Nautilus, where you can click to mount and open??? – Sadi Jan 31 at 18:31
It does not appear in Nautilus. I'll post the dmesg output in a sec. – Sumesh Jan 31 at 18:46
/dev/sda3 is not an external drive. It is a partition on your internal drive (sda). Normally external drives are labelled sdb, sdc, etc. – To Do Jan 31 at 20:32
Try opening the Disks program and see if it is recognised. – To Do Jan 31 at 20:32
sda1-5 are all partitions on your internal drive. try fdisk -l command with external drive plugged-in. – Sadi Jan 31 at 20:43
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