Don't know if you can use this, but I created a short installation guide for my work once:

Install oVirt Engine

oVirt Engine is the control center of the oVirt environment. It allows you to define hosts, configure data centers, add storage, define networks, create virtual machines, manage user permissions and use templates from one central location.

update all the packages on it. Run:

 yum -y update

Reboot your server for the updates to be applied.

Add the oVirt repo:
vim /etc/yum.repos.d/el6-ovirt.repo
•    copy/paste:
[ovirt-stable]
name=Stable builds of the oVirt project
baseurl=http://ovirt.org/releases/stable/rpm/EL/$releasever/
enabled=1
skip_if_unavailable=1
gpgcheck=0

[ovirt-updates-testing]
name=Stable builds of the oVirt project
baseurl=http://ovirt.org/releases/updates-testing/rpm/EL/$releasever/
enabled=0
skip_if_unavailable=1
gpgcheck=0

[ovirt-beta]
name=Beta builds of the oVirt project
baseurl=http://ovirt.org/releases/beta/rpm/EL/$releasever/
enabled=0
skip_if_unavailable=1
gpgcheck=0

[ovirt-nightly]
name=Nightly builds of the oVirt project
baseurl=http://ovirt.org/releases/nightly/rpm/EL/$releasever/
enabled=0
skip_if_unavailable=1
gpgcheck=0



You are now ready to install the oVirt Engine. Run the following command:

yum -y install ovirt-engine

This command will download the oVirt Engine installation software and resolve all dependencies.

When the packages have finished downloading, run the installer:

engine-setup

Answer the following questions (Normally default is OK):
•    Host fully qualified DNS name of this server [localhost.localdomain]:
•    Where is the database located? (Local, Remote) [Local]:
•    Would you like Setup to automatically configure postgresql, or prefer to perform that manually? (Automatic, Manual) [Automatic]:
•    Engine admin password:
Confirm engine admin password:
•    Application mode (Both, Virt, Gluster) [Both]:
•    Default storage type: (NFS, FC, ISCSI, POSIXFS) [NFS]:
•    Organization name for certificate [localdomain]:
•    Setup can configure the default page of the web server to present the application home page. This may conflict with existing applications.
Do you wish to set the application as the default page of the web server? (Yes, No) [Yes]:
•    Configure an NFS share on this server to be used as an ISO Domain? (Yes, No) [Yes]:
•    Local ISO domain path [/var/lib/exports/iso]:
•    Local ISO domain name [ISO_DOMAIN]:

Your oVirt Engine is now up and running. You can log in to the oVirt Engine's web administration portal with the username admin (the administrative user configured during installation) in the internal domain