[ovirt-users] unlock_entity.sh

Hello All, first of all, I hope this question is not too trivial or hasn't been asked lately ( but i scrolled down the mailing list and didn't find anything similar, so...) I have a lot of trouble with locked disks when trying to remove vm's. I know there's the unlock_entity script but cannot get it to work. Where can I find a copy-paste-able uuid nr of the disk? It prompts me for a database password. Is this something I should have created when setting up Ovirt? Can anyone give me an example of a complete unlock entity command? Many thanks for any help. greetings, J.