This change slowed things down (slightly) for me, although the change
is within the margin of error so it probably made no difference.
Before:
$ time ./run virt-v2v -i disk /var/tmp/fedora-35.qcow2 -o rhv-upload -oc
https://ovirt4410/ovirt-engine/api -op /tmp/ovirt-passwd -oo rhv-direct -os ovirt-data -on
test14 -of raw
[ 0.0] Setting up the source: -i disk /var/tmp/fedora-35.qcow2
[ 1.0] Opening the source
[ 6.5] Inspecting the source
[ 10.5] Checking for sufficient free disk space in the guest
[ 10.5] Converting Fedora Linux 35 (Thirty Five) to run on KVM
virt-v2v: warning: /files/boot/grub2/device.map/hd0 references unknown
device "vda". You may have to fix this entry manually after conversion.
virt-v2v: This guest has virtio drivers installed.
[ 57.0] Mapping filesystem data to avoid copying unused and blank areas
[ 59.0] Closing the overlay
[ 59.6] Assigning disks to buses
[ 59.6] Checking if the guest needs BIOS or UEFI to boot
[ 59.6] Setting up the destination: -o rhv-upload -oc
https://ovirt4410/ovirt-engine/api
-os ovirt-data
[ 79.3] Copying disk 1/1
█ 100% [****************************************]
[ 89.9] Creating output metadata
[ 94.0] Finishing off
real 1m34.213s
user 0m6.585s
sys 0m11.880s
After:
$ time ./run virt-v2v -i disk /var/tmp/fedora-35.qcow2 -o rhv-upload -oc
https://ovirt4410/ovirt-engine/api -op /tmp/ovirt-passwd -oo rhv-direct -os ovirt-data -on
test15 -of raw
[ 0.0] Setting up the source: -i disk /var/tmp/fedora-35.qcow2
[ 1.0] Opening the source
[ 7.4] Inspecting the source
[ 11.7] Checking for sufficient free disk space in the guest
[ 11.7] Converting Fedora Linux 35 (Thirty Five) to run on KVM
virt-v2v: warning: /files/boot/grub2/device.map/hd0 references unknown
device "vda". You may have to fix this entry manually after conversion.
virt-v2v: This guest has virtio drivers installed.
[ 59.6] Mapping filesystem data to avoid copying unused and blank areas
[ 61.5] Closing the overlay
[ 62.2] Assigning disks to buses
[ 62.2] Checking if the guest needs BIOS or UEFI to boot
[ 62.2] Setting up the destination: -o rhv-upload -oc
https://ovirt4410/ovirt-engine/api
-os ovirt-data
[ 81.6] Copying disk 1/1
█ 100% [****************************************]
[ 91.3] Creating output metadata
[ 96.0] Finishing off
real 1m36.275s
user 0m4.700s
sys 0m14.070s
Rich.
--
Richard Jones, Virtualization Group, Red Hat
http://people.redhat.com/~rjones
Read my programming and virtualization blog:
http://rwmj.wordpress.com
virt-df lists disk usage of guests without needing to install any
software inside the virtual machine. Supports Linux and Windows.
http://people.redhat.com/~rjones/virt-df/