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I have just installed ubuntu 12.10 and everything is running fine but there are a few things that I am not sure about.

In computer, when I click on the hard disk it says "unable to mount location - can't mount file" and when I right click it the type/size/volume/accessed/modified are all unknown. However everything seems to be partitioned correctly.

Also, when I right click file system properties it lists the correct amount of free space, but volume is unknown and the contents reads as 140 TB.

As I said everything is working fine but are these issues I should be concerned about? 

matthew@matthew-550P5C-550P7C:~$ df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda2       912G  3.2G  862G   1% /
udev            2.9G  8.0K  2.9G   1% /dev
tmpfs           1.2G  824K  1.2G   1% /run
none            5.0M     0  5.0M   0% /run/lock
none            2.9G   84K  2.9G   1% /run/shm
none            100M   36K  100M   1% /run/user
/dev/sda1        94M  123K   94M   1% /boot/efi
matthew@matthew-550P5C-550P7C:~$ sudo fdisk -l
[sudo] password for matthew: 

WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.


Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x50960a65

Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1  1953525167   976762583+  ee  GPT
Partition 1 does not start on physical sector boundary.
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can you add the output of df -h as well as fdisk -l – Stephen Martin Dec 31 '12 at 10:14
Filesystem Size Used Avail Use% Mounted on /dev/sda2 912G 3.2G 862G 1% / udev 2.9G 8.0K 2.9G 1% /dev tmpfs 1.2G 824K 1.2G 1% /run none 5.0M 0 5.0M 0% /run/lock none 2.9G 84K 2.9G 1% /run/shm none 100M 36K 100M 1% /run/user /dev/sda1 94M 123K 94M 1% /boot/efi – Matt Walker Dec 31 '12 at 10:18
ran fdisk -l but nothing came up – Matt Walker Dec 31 '12 at 10:18
Sorry you need to run sudo fdisk -l Im guessing you can't edit your question yet that’s why the outputs in the comments. – Stephen Martin Dec 31 '12 at 10:20
ah yes, done that now – Matt Walker Dec 31 '12 at 10:32
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