Comment 4 for bug 1497484

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Nicolas Simonds (nicolas.simonds) wrote :

Nova is not creating a QCOW2 snapshot; it's creating a RAW snapshot, and telling Glance that it created a QCOW2 snapshot. Glance actually detects the mismatch, and updates the disk_format after ingest. So the whole "Nova lies to Glance" family of bugs is known about on their side, and has been worked around already.

Unless, of course, you tell Glance not to accept QCOW2 images for ingest. Then it does a full-stop and the whole thing flies apart.