[Gnu-arch-users] Re: give us a hand with arch

[Florian Weimer]

On Sun, Sep 28, 2003 at 09:54:31AM +0200, Pau Aliagas wrote:

> In user-mode-linux there's something called COW filesystems(copy-on-write).
> See http://user-mode-linux.sourceforge.net/UserModeLinux-HOWTO-7.html
> 
> It looks like the perfect solution for this problem: you share the 
> filesystem data til you change it and perform the write. You still share 
> the unmodified parts, but the new ones are stored in a COW file.

The UML approach works on the block device layer.  As a result, it's
quite hard to integrate it with tla.