Hi, all:

        I find Nova has supported volume encryption for LVM volume ([1]). 
Currently , qcow2 also support encryption now, and there is libvirt's support 
too ([2]). After reading up the implementation, qcow2's support can be added to 
current framework.
        Do you think it is meaningful to introduce the support for qcow2 volume 
encryption? The use case can be found in [1].

[1] https://wiki.openstack.org/wiki/VolumeEncryption
[2] http://libvirt.org/formatstorageencryption.html


----------
zhangleiqiang (Trump)

Best Regards



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