Mounting external hard drive - Ubuntu

[etienne_marais]

I'm assuming the kernel shipped with Ubuntu 14.10 will have NTFS support by default.

When I plug in an external hard disk formatted as NTFS it does not show up under fdisk -l (all I see is sda with 3 partitions which are all mounted)

I checked dmesg for information when I plug in the hard disk but nothing shows.

I tried various USB ports, anything obvious I'm doing wrong ?

(The hard disk shows fine on a Windows 7 laptop)

 

[Drake2007]

what does lsusb output?

 

[ginggs]

I'm assuming the kernel shipped with Ubuntu 14.10 will have NTFS support by default.

Well, not in the kernel, but Ubuntu does ship with NTFS-3G for FUSE (Filesystem in Userspace).

When I plug in an external hard disk formatted as NTFS it does not show up under fdisk -l (all I see is sda with 3 partitions which are all mounted)

Are you 100% sure it is NTFS and not ExFAT?

If it is ExFAT, you'll need to install:

sudo apt-get install exfat-utils exfat-fuse

 

[etienne_marais]

Thanks Drakes/ginggs, will check tonight.

 

[ginggs]

Thanks Drakes/ginggs, will check tonight.

It could be the USB port on the Ubuntu machine does not supply enough power to the external drive.
(When I first read your post, I assumed it works fine on Windows 7 on the same machine)

Is it a desktop? Try the rear USB ports (directly on the motherboard) instead of the front USB ports.
Does the drive come with an extra USB plug for power? Have you tried plugging that in?

 

[Maverick Jester]

Also, what does lsblk -f output?

It's possible that the udev rule for NTFS is missing on your installation.