I found the answer for my second questions:

engine-config -l

Dougla s Landgraf <dougsland@redhat.com> wrote on Fri, 31 Aug 2012 18:18:38 -0400:
On 08/31/2012 05:09 PM, Alon Bar-Lev wrote:

----- Original Message -----
From: "Mohsen Saeedi"<mohsen.saeedi@gmail.com>
To: users@ovirt.org
Sent: Friday, August 31, 2012 11:57:59 PM
Subject: [Users] Installing Host - action is taking longer than allowed by    configuration

I Installed ovirt 3.1 all in one package under centos 6.3 . but when
trying to install localhost as virtualization node (I have one server
with local storage) i got a error:
   The required action is taking longer than allowed by configuration.
I know the reason for it. i have very slow connection. I think ovirt
clean yum metadata and try to get metadata again. but my internet
connection  is very slow (about 64Kb/s)  and takes a lot of time to
finish. how can i increase the allowed time by configuration or some
change on postgresql database.?
Users mailing list


You can set the SSHInactivityTimoutSeconds within vdc_options table.

# psql -d engine -U postgres -c "update vdc_options set option_value = 600 where option_name = 'SSHInactivityTimoutSeconds';"
or try in Engine side using engine-config tool:

# engine-config -s SSHInactivityTimoutSeconds=(timer in sec)
# systemctl restart ovirt-engine.service