why doesn't "df" show a larger logical volume?

[Robert P. J. Day]

On Sun, 31 Oct 2004, Robert P. J. Day wrote:

>
>   in prep for trying to install oracle on my FC2 system, i used
> "lvextend" to extend one of my logical volumes by a few gig.  but when
> i mounted it again (did i have to unmount it first?), "df" showed me
> the same output as before.
>
>   should i have expected "df" to show me a larger 1K block value?  now
> "lvdisplay" shows me:
>
>   LV Name                /dev/vol0/archive
>   VG Name                vol0
>   ...
>   LV Size                14.00 GB   <-- looks good
>
> but "df" shows me:
>
>                       1K blocks  Used       Avail
> /dev/mapper/vol0-archive
>                       10321208   2336136   7460784  24% /archive
>                       ^^^^^^^^ ??
>
> so where'd my extra 4G go?  and should i assume it's just going to
> show up when oracle dumps a 10G footprint on my system?

never mind ... forgot to "lvresize".  argh.

rday