Explicitly setting sparse=true makes "--force" takes effect. ====
$ virt-install --noautoconsole --name test --ram 512 --boot hd --disk pool=default,size=2048,format=qcow2,sparse=true WARNING The requested volume capacity will exceed the available pool space when the volume is fully allocated. (2097152 M requested capacity > 41166 M available) ERROR The requested volume capacity will exceed the available pool space when the volume is fully allocated. (2097152 M requested capacity > 41166 M available) (Use --force to override) $ virt-install --noautoconsole --name test --ram 512 --boot hd --disk pool=default,size=2048,format=qcow2,sparse=true --force WARNING The requested volume capacity will exceed the available pool space when the volume is fully allocated. (2097152 M requested capacity > 41166 M available) Starting install... Allocating 'test.qcow2' | 2.0 TB 00:07 Creating domain... | 0 B 00:00 Domain creation completed. You can restart your domain by running: virsh --connect qemu:///system start test -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1354263 Title: [virt-install] no way to force disk size overcommit To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virt-manager/+bug/1354263/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs