Just a last question: if I try to create a qcow2 disk that is greater
that the available actual available size, virt-manager gets an error.
Is there a way to create a sparse disk greater than the available size?
Thanks
LK
On 10/01/2017 13:34, Pavel Hrdina wrote:
On Tue, Jan 10, 2017 at 12:53:55PM +0100, LK wrote:
Hi,
I thought that qcow2 would be a sparse disk format, but when I create a
new disk using virt-manager (Ubuntu 16.10, virt-manager 1.3.2), the size
of the new disk is exactly the same size I chose at creation time (as
the disk would be completely full).
Ho can I create a dynamically allocated disk using virt-manager?
Hi,
they are probably allocated as sparse files. You can try to run:
qemu-img info /path/to/file.qcow2
and the output should contain those two lines:
virtual size: 20G (21474836480 bytes)
disk size: 3.3M
or you can use this command:
ls -lsh
and the output should be something like this:
3.4M -rw------- 1 root root 21G Jan 10 13:28 test-size.qcow2
where the first column is the sparse size.
Pavel
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