[ovirt-devel] snapshot for LVM2 Volume

[yao xu]

Hi!

I am using ovirt 3.1 in iSCSI environment .  I fixed some bug of vdsm..

In this version , snapshot only for  disk, not memory .

When I try to take snapshot for a running vm , error log shown in vdsm.log

*libvirtError: unsupported configuration: source for disk 'vda' is not a
regular file; refusing to generate external snapshot name*

After reading libvirt's mail archive, I found a patch in this mail  :

*http://www.redhat.com/archives/libvir-list/2011-November/msg00843.html
<http://www.redhat.com/archives/libvir-list/2011-November/msg00843.html>*

but in vdsm environment, every image from iSCSI server is a link file or  a
dev file , not a regular file .

Do you have any solution ? Or I should patch more code , something like
memory snapshot ?
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