QCOW2 stands for QEMU Copy -On- Write file. The QCOW image format is one of the disk image formats supported by the QEMU processor emulator.

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how to import and install a UEC image on Openstack?

Getting started with Openstack here. I've successfully imported and launched instances with a cirros image per the Openstack Installation Guide, but when I import UEC images, like this one here and ...
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How to define clone presets to virt-manager

When using virt-manager 0.9.1 to clone existing machines, it ignores that the virtual disks are qcow2 compressed and sparsed. The cloned virtual disks are non-sparsed and in raw format. I know about ...
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Ambiguity using “ls -l” and “file” commands on a qcow file

I have a qcow2 file on my filesystem and I am trying to find the size of that file. For this, when I do a ls -l in the location where the file is stored, I get 13041664, which means the file size is ...