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[Marco CONSONNI <1028365@xxxxxxxxxxxxxxxxxx>]

This is the configuration.

Two nodes running under VirtualBox therefore they use qemu, not KVM.

FlatDHCP is the networking configuration.

One node plays two roles: controller and compute node.
It runs the following daemons:

- glance-registry
- glance-api
- keystone-all
- mysqld
- rabbitmq (all the daemons)
- nova (all the daemons)


The other node plays compute role running the following daemons:

- nova-api
- nova-network
- nova-compute
- nova-volume

Both the nodes use 3 NICs (they are virtual because the nodes run under
VirtualBox, as I said at the very beginning).

- eth0 is used for fixed IP addresses
- eth1 is used for floating IP adresses
- eth2 is used for administration / control purposes (daemons communicate using this eth)

Do you need more info?
Let me know.

More information.

I personally installed Ubuntu 12.04 and used devstack for installing OpenStack.
I noticed that neither devstack nor the documentation mention that you need guestmount but when I tried to launch an image with key injection, I found out that it failed.
I looked into the log file and noticed an error saying that guestmount couldn't be run.
So I tried the same command manually and found out that guestmount was not installed.

At that point I installed guestmount manually, restarted the image with
key injection and I faced another minor problem (I didn't mentioned that
because I was thinking was not important).

The problem was related to nbd that need to be loaded. I found out that
you can do that by calling command "sudo modprobe nbd" and you have to
do that whenever you reboot the network node.

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https://bugs.launchpad.net/bugs/1028365

Title:
  guestmount installation not mentioned

Status in devstack - openstack dev environments:
  New
Status in OpenStack Manuals:
  New
Status in OpenStack Book for Ubuntu:
  New

Bug description:
  I was playing with my openstack installation I made following this
  manual http://docs.openstack.org/essex/openstack-
  compute/starter/content/.

  When I tried to launch an instance with a keypair I found out that
  nova-compute complains because it can't run module "guestmount".

  As this module is not automatically installed by Ubuntu 12.04 LTS, I
  think you need to install that manually with command:

  $ apt-get install guestmount

  These instructions should be reported on any manual regarding
  installation on Ubuntu (don't know if RH and Fedora suffer the same
  problem).

  BTW: also devStack installation has this problem. Do you think I
  should report the problem to those guys? If yes, where is their
  lanchpad?

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