Comment 6 for bug 920493

A lot of people. Let me check in our environment and see if I have the same issue.

On Jan 27, 2012, at 10:59 AM, David Kranz wrote:

> Actually that did not seem to have any effect. How many people are using
> multi_host? I would change the title of this ticket but don't know how.
>
> --
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> OpenStack Compute (nova).
> https://bugs.launchpad.net/bugs/920493
>
> Title:
> Sometimes vms on same fixed network cannot ping others if floating
> address present
>
> Status in OpenStack Compute (Nova):
> New
>
> Bug description:
> It is my understanding, and observation, that vms allocated from the
> same --fixed_range network can ping the fixed addresses of other such
> vms. Also, vms can be pinged by fixed address from the compute node on
> which they are running. A user reported that when a floating ip was
> assigned to a vm, she could not access that vm by fixed address, but
> could by the floating address. I was able to reproduce this problem
> but not in a consistent way. It seemed more likely to happen when the
> floating ip address was assigned before the vm finished booting but I
> could not create a reliable pattern to show this. When the vm's fixed
> address was not accessible to other vms, it was still OK from the
> compute node hosting the vm. This system is based on diablo-stable and
> this nova.conf:
>
> --use_deprecated_auth
> --dhcpbridge_flagfile=/etc/nova/nova.conf
> --dhcpbridge=/usr/bin/nova-dhcpbridge
> --sql_connection=mysql://nova:notnova@172.18.0.131/nova
> --s3_host=172.18.0.131
> --rabbit_host=172.18.0.131
> --glance_api_servers=172.18.0.131:9292
> --logdir=/var/log/nova
> --state_path=/var/lib/nova
> --lock_path=/var/lock/nova
> --verbose
> --ec2_url=http://172.18.0.131:8773/services/Cloud
> --dmz_cidr=172.18.0.131/32
> --fixed_range=10.0.0.0/24
> --network_size=256
> --image_service=nova.image.glance.GlanceImageService
> --bridge_interface=eth1
> --flat_network_bridge=br100
> --flat_interface=eth1
> --network_manager=nova.network.manager.FlatDHCPManager
> --force_dhcp_release
> --public_interface=eth0
> --multi_host=1
> --osapi_host=172.18.0.131
>
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