于 2011年01月23日 16:01, Casey Link 写道:
Hello,
I am running libvirt 0.8.3 with a couple VMs using a LVM VG that I had
previously setup on my host. I did not use the storage pool
functionality of libvirt to create the VG in the first place
('pool-list' is empty).
Now I want to be able to take snapshots of the VMs. Having read this
previous post [1] on the mailing list, I gather that libvirt does
indeed support taking snapshots of VMs on an LVM. I suppose I need to
create storage pool that includes the<backingStore> element. However,
I am not sure how to go about creating this pool and making my
existing VMs utilize it.
Is what I am trying to do even possible? If so, what is the proper way
to go about doing it?
How to create the logical pool, refer to:
http://libvirt.org/git/?p=libvirt.git;a=tree;f=tests/storagepoolxml2xmlin;h=92d08b31073ade34bc2112694219030130fc5bd1;hb=HEAD
How to create the logical volume with backing store, refer to:
http://libvirt.org/git/?p=libvirt.git;a=tree;f=tests/storagevolxml2xmlin;h=ed26441f354c5183499eae14b56e280fe36c1da6;hb=HEAD
Hope it helps.
Regards
Osier
Best,
Casey Link
[1] http://www.redhat.com/archives/libvir-list/2009-February/msg00196.html
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