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ext3 partition size

Hi all,
    I am running fedora 11 with kernel #1 SMP Fri Dec 4 00:18:53 EST 2009 x86_64 x86_64 x86_64 GNU/Linux. I am noticing a partition on  my drive is reporting incorrect size with "df", the partition is ext3 size 204GB with about 79GB actual usage, the "df" result show the partition size to be 111GB, 93GB is missing. Please advice on what can be done to see why the system is reporting incorrect partition size.

e2fsprogs version:

rpm -qa | grep e2fsprogs

mount: /dev/sdb8 on /srv/multimedia type ext3 (rw,relatime)

$ df -hT
Filesystem    Type    Size  Used Avail Use% Mounted on
/dev/sdb2     ext3     30G  1.1G   28G   4% /
/dev/sdb7     ext3     20G  1.3G   18G   7% /var
/dev/sdb6     ext3     30G   12G   17G  43% /usr
/dev/sdb5     ext3     40G   25G   13G  67% /home
/dev/sdb1     ext3    107M   52M   50M  52% /boot
/dev/sdb8     ext3    111G   79G   27G  76% /srv/multimedia
tmpfs        tmpfs    2.9G   35M  2.9G   2% /dev/shm

Parted info:

(parted) select /dev/sdb                                                 
Using /dev/sdb
(parted) print                                                           
Model: ATA ST3500630AS (scsi)
Disk /dev/sdb: 500GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number  Start   End     Size    Type      File system  Flags
 1      32.3kB  115MB   115MB   primary   ext3         boot
 2      115MB   32.3GB  32.2GB  primary   ext3             
 3      32.3GB  35.5GB  3224MB  primary   linux-swap       
 4      35.5GB  500GB   465GB   extended                   
 5      35.5GB  78.5GB  43.0GB  logical   ext3             
 6      78.5GB  111GB   32.2GB  logical   ext3             
 7      111GB   132GB   21.5GB  logical   ext3             
 8      132GB   352GB   220GB   logical   ext3             
 9      352GB   492GB   140GB   logical   ext3

result of e2fsck:

$ e2fsck -f -v -c -E fragcheck /dev/sdb8
e2fsck 1.41.4 (27-Jan-2009)
Checking for bad blocks (read-only test): done                               
sg500misc: Updating bad block inode.
Pass 1: Checking inodes, blocks, and sizes
     8(f): expecting  32768 got phys  34307 (blkcnt 31191)
491521(f): expecting 1049096 got phys 1081858 (blkcnt 6)
491521(f): expecting 1081864 got phys 1114626 (blkcnt -1)
491521(f): expecting 1114632 got phys 1180162 (blkcnt 17)
491521(f): expecting 1180168 got phys 1212930 (blkcnt 23)
491521(f): expecting 1212936 got phys 1505163 (blkcnt 29)

***********50K + more output lines******************

Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information

sg500misc: ***** FILE SYSTEM WAS MODIFIED *****

   33658 inodes used (0.23%)
    3325 non-contiguous files (9.9%)
      24 non-contiguous directories (0.1%)
         # of inodes with ind/dind/tind blocks: 25055/2723/2
21136610 blocks used (71.72%)
       0 bad blocks
       6 large files

   31899 regular files
    1698 directories
       0 character device files
       0 block device files
       0 fifos
       0 links
      52 symbolic links (52 fast symbolic links)
       0 sockets
   33649 files

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