Open Stack

Hi Dan,

   Are you able to verify the VM's are getting the ipaddress you expect
by using novnc or virt-manager?

Derek.

On 09/17/2012 10:16 PM, yocum at redhat.com wrote:
> Hi all,
> 
> I've run into some networking problems and I don't know where to go from
> here.
> 
> On one host machine, I can ssh into the all (2) floating public IPs that
> the VMs have been assigned.
> 
> On one host machine, I can't ssh or ping any (again, 2) of the public
> IPs that the VMs have been assigned.
> 
> On yet another host machine, I can ssh into 1 VM but not the other 2.
> 
> I'm using flatDHCP with multi-host=T.  The diagram of my layout looks
> very much like this diagram:
> 
> http://unchainyourbrain.com/images/stories/programming/ha-net.jpg
> 
> which comes from this article:
> 
> http://unchainyourbrain.com/openstack/13-networking-in-nova
> 
> Here's my nova.conf from my controller node (RHEL 6.3):
> 
> bindir=/usr/bin
> connection_type=libvirt
> debug=true
> default_project=osop
> firewall_driver=nova.virt.libvirt.firewall.IptablesFirewallDriver
> glance_api_servers=my-controller.some.tld.com:9292
> lock_path=/var/lib/nova/tmp
> logdir=/var/log/nova
> my_ip = 10.4.59.6
> network_manager=nova.network.manager.FlatDHCPManager
> root_helper=sudo nova-rootwrap
> state_path=/var/lib/nova
> sql_connection=mysql://nova:nova@my-controller.some.tld.com/nova
> rpc_backend=nova.rpc.impl_qpid
> qpid_hostname=my-controller.some.tld.com
> qpid_port=5672
> quota_floating_ips=120
> quota_instances=120
> quota_ram=151200
> auth_strategy=keystone
> vpn_client_template=/usr/share/nova/client.ovpn.template
> credentials_template=/usr/share/nova/novarc.template
> novncproxy_base_url=http://my-controller.some.tld.com:6080/vnc_auto.html
> novncproxy_host = 0.0.0.0
> novncproxy_port = 6080
> vnc_enabled=true
> vncserver_listen=127.0.0.1
> vncserver_proxyclient_address=127.0.0.1
> dhcpbridge=$bindir/nova-dhcpbridge
> dhcpbridge_flagfile=/etc/nova/nova.conf
> public_interface=eth4
> auto_assign_floating_ip=true
> default_floating_pool=osop-pub
> dhcp_domain=osop-local
> fixed_range=192.168.59.0/24
> flat_interface=eth5
> flat_network_bridge=osop-virtbr
> flat_network_dns=8.8.4.4
> floating_range=209.123.123.0/24
> force_dhcp_release=true
> multi_host=true
> network_host=10.4.59.6
> network_size=256
> num_networks=1
> injected_network_template=/usr/share/nova/interfaces.template
> libvirt_inject_partition=-1
> libvirt_nonblocking=true
> libvirt_type=kvm
> libvirt_xml_template=/usr/share/nova/libvirt.xml.template
> remove_unused_base_images=true
> iscsi_helper=tgtadm
> iscsi_ip_address=my-controller.some.tld.com
> 
> routing tables, iptable rules, and arp caches all look essentially the
> same for all the systems and yet I can't ssh into some VMs.
> 
> I'm at a loss.  I hope someone can help.
> 
> Thanks,
> Dan
>