The property is_using_scsi_reservation in the vm_device table is relevant only for disks and was placed in the vm_device since there was no other entity to describe the relation between a disk and a VM at the time this RFE was written. Now when we have disk_vm_element this property should be moved there.
UI remains the same, in the REST this field will be visible and editable via DiskAttachment as well as Disk
Verified on - ovirt-engine-4.1.0-0.0.master.20161126211319.gitae69c34.el7.centos.noarch
The fix for this issue should be included in oVirt 4.1.0 beta 1 released on December 1st. If not included please move back to modified.
Verified on 4.1.0-0.2.master.20161212071212.git8a015dd.el7.centos <uses_scsi_reservation>false</uses_scsi_reservation> is an attribute of diskAttachment object