On Tue, Oct 21, 2003 at 06:17:27PM -0500, Gunnar Wolf wrote:
> Here goes a bit of a wild idea, which could not be implemented today,
> but we might want to push towards it: Think of the BSDs' Union
> Filesystem - no such thing exists today in Linux, but anyway... If you
> union-mount a filesystem on a directory of an existing filesystem, the
> existing filesystem becomes read-only from that point on. The original
> filesystem might in fact be mounted read-only. Every change will only
> be made to the newly mounted filesystem - it will include all the
> differences to the original FS.
"apt-cache show translucency-source" says
Package: translucency-source
Maintainer: Eduard Bloch <blade@debian.org>
Architecture: all
Version: 0.5.9-1
Description: Filesystem translucency module - module source
The translucency module adds a new feature to the Linux kernel:
translucency between two filesystem directories. All changes on files
in the working directory are in reality stored in the another location.
This way you can have a working filesystem which becomes separated into
a (read-only) persistent directory and a modifications directory on the
harddisk.
.
[...]
Is this what you are looking for?
Jochen
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http://seehuhn.de/
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