ext3 partition size

[Andreas Dilger]

On 2009-12-28, at 23:06, George Butler wrote:
>     I am running fedora 11 with kernel 2.6.30.9-102.fc11.x86_64 #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.
>
> 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

It definitely looks strange.  Did you resize this partition after it  
was created?  In any case, running "resize2fs /dev/sdb8" should  
enlarge the
filesystem to fill the partition.

Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.