Otherwise you should also check the disk type in oVirt is the same as the previous VM disk type - in my example vmdks imported from VMWare were "SCSI" disks to the VM, setting them to "VirtIO-SCSI" in oVirt 4.3 worked well.
Regards
Angus
From: Abe E <abdulk.ellahib@gmail.com> Sent: 07 March 2022 07:42 To: users@ovirt.org <users@ovirt.org> Subject: [ovirt-users] Re: Importing KVMs and QCOW