full path for below steps
/home/exports_domain/fd251a1b- 9665-4d3a-b307-66688ae7dab2/ images/7a64ffa1-e759-4a62- aac8-bf01a78f1b7c
1) configure export domain (example using nfs) and export the VM into it
2) on the linux host which have access to the nfs export domain in this example a vm exported to /home/exports_domain
3) cd into the fd251a1b-9665-4d3a-b307- 66688ae7dab2, you will see a folder called 'images'
4) cd into the 'images' folder'
5) cd into the folder, in this example 7a64ffa1-e759-4a62-aac8- bf01a78f1b7c
6) check the content of the folder, you will see a file bb2794b7-3578-4eee-9d60- 79853a689c4d in this case 50GB, the other one is the meta file.
7) run this command for conversion to qcow2 format
qemu-img convert -O qcow2 bb2794b7-3578-4eee-9d60- 79853a689c4d jbossfile.qcow2
8) run the qcow2 on linux kvm,virtual box etc.