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31d42506fb
Add <features> and <compat> elements to volume target XML. <compat> is a string which for qcow2 represents the QEMU version it should be compatible with. Valid values are 0.10 and 1.1. 1.1 is implicit if the <features> element is present, otherwise qemu-img default is used. 0.10 can be specified to explicitly create older images after the qemu-img default changes. <features> contains optional features, so far <lazy_refcounts/> is available, which enables caching of reference counters, improving performance for snapshots.
34 lines
904 B
XML
34 lines
904 B
XML
<volume>
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<name>OtherDemo.img</name>
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<key>(null)</key>
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<source>
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</source>
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<capacity unit='bytes'>5368709120</capacity>
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<allocation unit='bytes'>294912</allocation>
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<target>
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<path>/var/lib/libvirt/images/OtherDemo.img</path>
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<format type='qcow2'/>
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<permissions>
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<mode>0644</mode>
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<owner>0</owner>
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<group>0</group>
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<label>unconfined_u:object_r:virt_image_t:s0</label>
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</permissions>
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<encryption format='qcow'>
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<secret type='passphrase' uuid='e78d4b51-a2af-485f-b0f5-afca709a80f4'/>
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</encryption>
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<compat>1.1</compat>
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<features/>
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</target>
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<backingStore>
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<path>/var/lib/libvirt/images/BaseDemo.img</path>
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<format type='raw'/>
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<permissions>
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<mode>0644</mode>
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<owner>0</owner>
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<group>0</group>
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<label>unconfined_u:object_r:virt_image_t:s0</label>
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</permissions>
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</backingStore>
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</volume>
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