Here is my df-h output. In here /media/Songs is using almost 100% disk space.

root@LAB:~# df -h

Filesystem            Size  Used Avail Use% Mounted on

/dev/sda1              19G  8.7G  9.2G  49% /

udev                  1.5G  4.0K  1.5G   1% /dev

tmpfs                 596M  960K  595M   1% /run

none                  1.5G  1.5M  1.5G   1% /run/shm

/dev/sda7              99G   32G   63G  34% /media/Softs

/dev/sda6              99G   90G  3.6G  97% /media/Films

/dev/sda8             106G   61G   40G  61% /media/Misc

/dev/sda5              99G   94G  4.9M 100% /media/Songs

Here are the detailed overview of /media/Songs.

root@LAB:~# du -sch /media/Songs/*

39G /media/Songs/AUDIO

16K /media/Songs/lost+found

55G /media/Songs/Video

93G total

root@LAB:~# 

My question is where is the 5GB free space?

In G-parted as well as nautilus it's showing 5GB free space but available space is only 4.9Mb. Why?

Here are my system details.

root@LAB:~# lsb_release -a

No LSB modules are available.

Distributor ID: Ubuntu

Description:    Ubuntu 11.10

Release:    11.10

Codename:   oneiric



root@LAB:~# uname -a

Linux LAB 3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:56:25 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux



root@LAB:~# df -i

Filesystem            Inodes   IUsed   IFree IUse% Mounted on

/dev/sda1            1250928  182541 1068387   15% /

udev                  378633     606  378027    1% /dev

tmpfs                 381366     563  380803    1% /run

none                  381366       9  381357    1% /run/shm

/dev/sda7            6553600   16148 6537452    1% /media/Softs

/dev/sda6            6553600     484 6553116    1% /media/Films

/dev/sda8            6995968    4287 6991681    1% /media/Misc

/dev/sda5            6553600   10857 6542743    1% /media/Songs





root@LAB:~# tune2fs -l /dev/sda5

tune2fs 1.41.14 (22-Dec-2010)

Filesystem volume name:   Songs

Last mounted on:          /media/Songs

Filesystem UUID:          191fe922-ed45-431f-9ae6-4ab1247701d9

Filesystem magic number:  0xEF53

Filesystem revision #:    1 (dynamic)

Filesystem features:      has_journal ext_attr resize_inode dir_index filetype needs_recovery extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize

Filesystem flags:         signed_directory_hash 

Default mount options:    (none)

Filesystem state:         clean

Errors behavior:          Continue

Filesystem OS type:       Linux

Inode count:              6553600

Block count:              26214400

Reserved block count:     1310720

Free blocks:              1311973

Free inodes:              6542744

First block:              0

Block size:               4096

Fragment size:            4096

Reserved GDT blocks:      1017

Blocks per group:         32768

Fragments per group:      32768

Inodes per group:         8192

Inode blocks per group:   512

Flex block group size:    16

Filesystem created:       Sun Jul 17 16:06:42 2011

Last mount time:          Thu Nov 17 02:36:00 2011

Last write time:          Thu Nov 17 02:36:00 2011

Mount count:              1

Maximum mount count:      35

Last checked:             Thu Nov 17 02:35:20 2011

Check interval:           15552000 (6 months)

Next check after:         Tue May 15 02:35:20 2012

Lifetime writes:          98 GB

Reserved blocks uid:      0 (user root)

Reserved blocks gid:      0 (group root)

First inode:              11

Inode size:           256

Required extra isize:     28

Desired extra isize:      28

Journal inode:            8

Default directory hash:   half_md4

Directory Hash Seed:      dc98c454-9826-4f42-ad66-3fb7a1941526

Journal backup:           inode blocks