The customisation of VM's and ability to manage them with ease.
Increasing VM Size and spec without drama
Moving and migrating works well(most of the time)
Vastly better than some of the competitors(vsphere) Review collected by and hosted on G2.com.
The need to rebuild the OS on major versions and the need for downtime to upgrade.
Struggles to migrate machines from host to host if they are large or busy
not very clear with error messages Review collected by and hosted on G2.com.
Ovirt is fully opensource, which is perfect.
Good for testing labs
Integrated tools (Cloudforms and manage-iq) works out of the box.
Nested Virtualization works nicely.
UI is really nice, tenant and tag definitions are perfect. Review collected by and hosted on G2.com.
Can't be installed on Debian/Ubuntu.
Snapshot issues, When you create a snapshot, be careful.
Gluster Storage issues (not stable)
Cepth Storage issues (not stable)
NFS problems. Review collected by and hosted on G2.com.