Re: [Openstack] inter vm communication issue

2012-06-29 Thread Tom Sante
Hi, I am a colleague of Bram working with him on these same systems. We are now experiencing other issues related to networking on our nodes: - we gave openstack eth0 as the vlan interface - eth0 en eth1 are still slaves in a bond0 (mode 6) ==> we are seeing a big number of dropped packets on th

Re: [Openstack] inter vm communication issue

2012-06-01 Thread Bram De Wilde
The bond was the culprit! As we have been breaking our heads over this for close to 2 days it seems important enough to report here: On our ubuntu 12.04 systems we had 2 bonded interfaces configured with an ip of 10.0.0.0/24 in an adaptive load balancing mode. We used this mode = 6 type bondin

Re: [Openstack] inter vm communication issue

2012-06-01 Thread Vishvananda Ishaya
On Jun 1, 2012, at 12:46 AM, Bram De Wilde wrote: > Thanx Vish, > > On the name resolution: would you consider this a bug (I can file one if you > would like) or a feature? Bug if it is an easy fix :) > Could this be fixed by changing the /usr/bin/nova-dhcpbridge script to load > all mac, ho

Re: [Openstack] inter vm communication issue

2012-06-01 Thread Bram De Wilde
Thanx Vish, On the name resolution: would you consider this a bug (I can file one if you would like) or a feature? Could this be fixed by changing the /usr/bin/nova-dhcpbridge script to load all mac, hostname, ip combinations for the database instead of just the physical hosts one? Or would thi

Re: [Openstack] inter vm communication issue

2012-06-01 Thread Vishvananda Ishaya
Ideas inline. Vish On May 31, 2012, at 1:41 PM, Bram De Wilde wrote: > Hi all, > > Can I request some help in resolving a vlan networking issue we are > encountering in the final stages of our openstack installation? > > We have installed a multi host vlan network configuration on 3 hosts all

[Openstack] inter vm communication issue

2012-05-31 Thread Bram De Wilde
Hi all, Can I request some help in resolving a vlan networking issue we are encountering in the final stages of our openstack installation? We have installed a multi host vlan network configuration on 3 hosts all running ubuntu 12.04 (openstack essex ). One of these hosts is a "public" host ru