Hi all,
I am working on a project in which I would like to use copy-on-write VM
disk images in order to create "deltas" of a disk over a period of
time.
For example, if I have a VM which uses /var/lib/xen/vm1/vm1.hda as its
disk image, can I attach a copy-on-write disk image which would record
changes in, /var/lib/xen/vm1/vm1-cow.hda rather than in the main disk
image file?
I''ve seen some of the projects listed on
http://wiki.xensource.com/xenwiki/COWHowTo but am not sure if something
like this is actually possible.
Has anyone ever configured copy-on-write images like this? I''d be
interested in any notes/opinions people can provide about this kind of
configuration or any setup which provides similar results.
Thanks,
Eric
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