unionfs question
Richard W.M. Jones
rjones at redhat.com
Fri Nov 23 10:14:38 UTC 2007
Christoph Höger wrote:
> I have a more general question about unionfs:
> I want to build a xen machine with a save base-image and a temporary
> write image that can be saved or thrown away on demand. So I thought
> about using unionfs to mount both these images as /.
> The problem is: unionfs does not mount images but directories that are
> already mounted. So I would need to mount those two images somewhere
> else. Obviuosly this would happen somewhere above / (e.g. /workimage and
> /rootimage). Could unionfs handle this?
> Or is there even a better way?
LVM + snapshots.
http://tldp.org/HOWTO/LVM-HOWTO/snapshotintro.html
BTW, there is a fedora-xen list for discussion of Xen issues.
Rich.
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