growfs and soft updates

[RW]

On Wed, 16 Jan 2008 17:48:44 +0100 (CET)
Wojciech Puchar <wojtek at wojtek.tensor.gdynia.pl> wrote:

> growfs is for people that like challenges ;)
> 
> i have to use it growing 800GB filesystem to 1400GB, finally (after 
> patching it a bit) i did it, but root directory was destroyed (no
> idea why). all subdirs appeared in lost+found so it wasn't a big
> problem then+i've got zero sized file in lost+found that i was unable
> to delete until i took off all strange flash with chflags.
> 
> but i did it ONLY because i had no way to back it up.

Personally I don't think it's worth the risk, unless the data is
disposable like a squid cache. What I normally do is create a new
partition and symlink things into it.