Description of problem: In the document of Storage volume encryption XML format, the "default" format section used wrong attribute in encryption tag. This is the original sentence in the document: <encryption type="default"/> can be specified only when creating a volume. but there is no such attribute named type in the encryption tag, it should use the attribute named format: <encryption format="default"/>
the website of this document is: http://libvirt.org/formatstorageencryption.html
Now fixed upstream: commit 10af1f23f0a31d75429b48adeccad61d9c4eb95a Author: Ján Tomko <jtomko> CommitDate: 2014-09-10 09:25:40 +0200 docs: fix encryption format attribute in example The correct attribute name is 'format', not 'type'. https://bugzilla.redhat.com/show_bug.cgi?id=1139910 git describe: v1.2.8-58-g10af1f2 The website should be updated automatically in a few hours.