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qcow2

how-to-resize-a-qcow2-disk-image-on-linux

How to resize a qcow2 disk image on Linux

3 March 2022 by Egidio Docile

Qcow2 is the default virtual disk storage format used by Qemu (qcow stands for qemu copy-on-write). This image format makes use of thin provisioning, so, after we initially set the maximum virtual size of a disk, space is actually allocated only when used, but not made available back to the host when freed.

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