Open Stack

Hello,

I am following the steps mentioned in the "OpenStack Install and Deploy Manual - Ubuntu"  (http://docs.openstack.org/trunk/openstack-compute/install/apt/content/).   I am a bit confused about how the setup (which server performs which function).  This confusion arose after looking at the "Network" section of nova.conf (Page 47).

Which of the following best describes the setup in the manual:
  Setup1: Physical server1 - controller node and compute node.  User can setup additional compute node(s).
  Setup2: Physical server1- controller node.   Physical server2 - computer node.   User can setup additional compute node(s).

If "Setup1" is the answer, then why does the "/etc/network/interfaces" file (mentioned in section "Pre-configuring the network" on Page 44), does not mention the static IP address of eth0 - 192.168.206.130.

If "Setup2" is the answer, then what is the use of some of the entries in the "network" section of nova.conf file on the controller node (pertaining to bridge and IP address range) mentioned in Page 47):


public_interface=br100

vlan_interface=eth0

flat_network_bridge=br100

flat_interface=eth0

fixed_range=10.0.0.0/24


Thank you very much in advance.  My apologies if this is a newbie question, as I am just learning to use the OpenStack platform.

I am happy to repost my message to the appropriate mailing list (doc related) if this is not the correct one.

Regards,
Ahmed.

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