Comment 8 for bug 660366

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Kevin Wolf (kwolf-redhat) wrote :

This is a different case. The original report used "qemu-img create" in step 2, which results in a sparse image that refers to the backing file for all data. Your sequence has "qemu-img convert" instead, which fully populates disk.qcow. Therefore, in step 3, "qemu-img convert" leaves the full allocation intact.