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Re: Disk usage



Daniel D Jones wrote:
> root@etch:/# du --max-depth=1 -h
> 1.7G    ./var
> 32K     ./tmp
> 4.0K    ./selinux
> 16K     ./lost+found
> 16M     ./boot
> 852K    ./home
> 0       ./sys
> 4.0K    ./initrd
> 22M     ./etc
> 81M     ./lib
> 515M    ./proc
> 6.3G    ./root
> 3.3M    ./sbin
> 3.7M    ./bin
> 8.0K    ./media
> 8.0K    ./mnt
> 208K    ./dev
> 4.0K    ./opt
> 1.3G    ./usr
> 4.0K    ./srv
> 9.7G    .
>
>
> root@etch:/# df -H
> Filesystem             Size   Used  Avail Use% Mounted on
> /dev/hda3               18G    17G    68M 100% /
> tmpfs                  265M      0   265M   0% /lib/init/rw
> udev                    11M    54k    11M   1% /dev
> tmpfs                  265M      0   265M   0% /dev/shm
> /dev/hda2              192M    22M   160M  13% /boot
>
> Why is du telling me that I'm using 9.7G of the disk while df says I'm using 
> over 17G?  
>
>
>   
    _Could_ be slack space. I'm not quite convinced mind you. However,
iirc ext3 uses 4k blocks, so if you have an average file size of 2k,
each file will take up 4k anyway. Plus, if a file is 4097 bytes
according to stat(), it will take up 8192 bytes of space.
    Not to say I'm definitely right, but it's a working theory.

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