Can you send my your nova.conf of nova-compute servers ?
I'm thinking about flat interface... Le jeudi 03 mai 2012 à 10:26 +0100, Bilel Msekni a écrit : > Basing on your architecture picture , I think you mean ping VM that > resides on Essex 2 from server containing Essex 1 > > I had a similar networking problem and i honestly don't know i fixed > it ( didn't enable tunneling) , this is what i did > 1- ifconfig eth0 0.0.0.0 > 2- dhclient br-int ( normally the bridge will take the address of > eth0) > > > and pinging went back to working fine but i am still testing if there > are any side effects > Try it out and txt me ! > > > btw , i used your ubuntu 12.04 LTS cloud img and i can't seem to ping > it but when i choose another image ( the default tty for example) it > ping as a charm , probably you should pick another image ! > > > > > > > ______________________________________________________________________ > Subject: RE: [Openstack] Instance IP assignment problem > From: emilien.openst...@gmail.com > To: ski...@hotmail.fr > CC: openstack@lists.launchpad.net > Date: Thu, 3 May 2012 11:11:04 +0200 > > Ok : > > http://paste.openstack.org/show/14797/ > > > I know where is the problem but I dont know yet how to fix it : > > > - Quantum creates TAP interface on ESSEX-2 > > - From ESSEX-2, I can't ping VMs on ESSEX-1 > > > Here my ovs_quantum_plugin.ini : > > [DATABASE] > sql_connection = > mysql://ovs_quantum:password@10.68.1.40:3306/ovs_quantum > > > [OVS] > integration-bridge = br-int > > > [AGENT] > root_helper = sudo > > > > Do we need enable bridge ? > > > > > Le jeudi 03 mai 2012 à 10:00 +0100, Bilel Msekni a écrit : > > èmm , can you do this on your instance : nova show % > instance_Id so that i may see the problem in the resume of > spawning ? > and are you sure you have enough fixed ip addresses left for > use ? > > The configuration of nova and quantum is almost the same as me > and the instances are getting Fixed Ips without any problem ! > > > ______________________________________________________________ > > Subject: RE: [Openstack] Instance IP assignment problem > From: emilien.openst...@gmail.com > To: ski...@hotmail.fr > CC: salma...@live.com; openstack@lists.launchpad.net > Date: Thu, 3 May 2012 10:48:43 +0200 > > All seems alright but not working yet. > > > http://paste.openstack.org/show/14791/ > > > > I have executed on both servers : > > ovs-vsctl add-port br-int eth1 > > > Need I do something else ? > > How the DHCP is working in this case ? > > > > > > > Le jeudi 03 mai 2012 à 09:29 +0100, Bilel Msekni a écrit : > > Then the problem isn't in the instance but in the > nova-network service , please check if it is working > well > as well as give us the output log when you attempt to > create a new instance. > > > > ______________________________________________________ > > > Subject: RE: [Openstack] Instance IP assignment > problem > From: emilien.openst...@gmail.com > To: ski...@hotmail.fr > CC: salma...@live.com; openstack@lists.launchpad.net > Date: Thu, 3 May 2012 10:21:37 +0200 > > Fixed IP > > > > Le jeudi 03 mai 2012 à 09:15 +0100, Bilel Msekni a > écrit : > > Fixed IP or Floating IP ? > > > > ______________________________________________ > > > > From: emilien.openst...@gmail.com > To: salma...@live.com > Date: Thu, 3 May 2012 09:55:31 +0200 > CC: openstack@lists.launchpad.net > Subject: Re: [Openstack] Instance IP > assignment problem > > Hi, > > > As I told you, I have also a problem for > instance IP assignement. > > > My architecture : > > I use Quantum with OVS plugin on 2 servers > Essex-1 & Essex-2. Essex-1 runs all services > and Essex-2 runs OVS, Quantum-agent & > nova-compute only. > > You can see more details here. > > My configurations files are here and in my > documentation. > > > > Problem Description : > > When an instance is created in ESSEX-1, all is > working (network). > > But when the VM is started on ESSEX-2, it does > not get an IP address. (log file) > > I'm sure the problem comes from OVS connection > with ESSEX-1. > > > Do I need to configure something like a trunk > or a tunnel between Essex-1 & Essex-2 ? > > I miss something in my configuration, if you > have any idea... > > > Regards > > > Emilien > > > Le mardi 01 mai 2012 à 14:35 -0500, Salman > Malik a écrit : > > It may help if you can share the log > of your launched instance as well. > There is a possibility that we both > are having the same issue. > Netstack developers can give a > definitive answer to this, but it > would be interesting to learn what > goes wrong with a launched instance. > > Salman > > > > > ______________________________________ > > > > > Subject: RE: [Openstack] Instance IP > assignment problem > From: emilien.openst...@gmail.com > To: salma...@live.com > CC: jorge.delac...@stackops.com; > openstack@lists.launchpad.net > Date: Tue, 1 May 2012 21:26:26 +0200 > > Le mardi 01 mai 2012 à 14:22 -0500, > Salman Malik a écrit : > > Regarding L3 gateway, I > believe its not necessary to > have one (as the VM hasn't > obtained an IP right now, so > it can't talk to anything > outside its net), but I am not > sure. > Regarding your problem, do you > see any DHCP responses from > the DHCP server ? I am asking > this because I was having a > similar problem earlier where > I was getting assigned an IP > address no in my desired > fixed_network and I believe > that was cause by another > interfering DHCP server that > was replying to discover > messages before the > nova-network could. > > > Here my nova.conf and I don't have any > interfering DHCP server : > > > https://github.com/EmilienM/doc-openstack/blob/master/Configuration%20Files/Essex-1/nova.conf > > > Thanks > > > Salman > > > > > ______________________________ > > > > > > Subject: RE: [Openstack] > Instance IP assignment problem > From: > emilien.openst...@gmail.com > To: salma...@live.com > CC: > jorge.delac...@stackops.com; > openstack@lists.launchpad.net > Date: Tue, 1 May 2012 21:06:01 > +0200 > > Hi Salman, > > > I'm thinking about a > networking issue. Where is > your L3 gateway in this > architecture ? Maybe do you > need an ip helper tool to > redirect DHCP broadcast ? > > > What do you think about my > problem (follow up to my last > e-mail) ? > > > Thanks > > > Emilien > > Le mardi 01 mai 2012 à 14:00 > -0500, Salman Malik a écrit : > > Hi, > > Here is the error log: > http://pastebin.com/KrNZDrvD > and nova.conf: > http://pastebin.com/Fvd6dSZs > > Emilien, I am trying > to get an > understanding of how > different Quantum > plugins work with > OpenStack. Ryu plugin > is particularly > interesting as it uses > an OpenFlow controller > to configure > Vswitches. > > The problem I am faced > with is (I think ) > that I already have a > private network and > Quantum should assign > IP addresses to > instances using DHCP. > But instances send out > discover message on > laucnh but never find > a DHCP server > (although there are 2 > dnsmasqs running). > > Any ideas? > > Thanks, > Salman > > > > > ______________________ > > > > > > > Date: Tue, 1 May 2012 > 20:43:44 +0200 > Subject: Re: > [Openstack] Instance > IP assignment problem > From: > jorge.delac...@stackops.com > To: > emilien.openst...@gmail.com > CC: > > openstack@lists.launchpad.net; salma...@live.com > > Hi Emilien and Salman, > Please, could you > upload all the files, > errors and conf in > pastebin or something > like that? > I have troubles to > open in phone :) > Thank you > El 01/05/2012 20:39, > "Emilien Macchi" > <emilien.openst...@gmail.com> > escribió: > > Hi, > > > I have a > similar > problem when I > create a > network per > project_id > with Quantum. > > > My VMs don't > get IP and I > can't > understand why > today. > > But when I > create a > private > network for > all projects, > VMs get an IP > and all is > working well. > Do you have > the same > problem ? > > > Salman, I'm > interesting > about your > nova.conf. I > can see you > are using > Ryu ? > Can you tell > me more about > your "use > case" or > architecture ? > > > Thanks > > > Le mardi 01 > mai 2012 à > 12:28 -0500, > Salman Malik a > écrit : > > Hi > Jorge, > > Thanks > for > looking into > the post. > I have > made > changes to > the nova.conf file so that I only use 10.0.0.x network (but the problem is > still the same). For this configuration, I assume that it will give out IPs > to instances starting from 10.0.0.11. And just to inform you, my eth1 is > configured to be 10.0.0.10 (which is a VM itself, and eth1 is configured as a > host-only network with no DHCP) and this interface is plugged in the > integration bridge used by quantum plugins. > > Thanks, > Salman > > PS: > Error > log of > a > launched > instance is also attached. > > > > > ______ > > > > > > > > Date: > Tue, 1 > May > 2012 > 19:03:49 +0200 > Subject: Re: > [Openstack] Instance IP assignment problem > From: > > jorge.delac...@stackops.com > To: > > salma...@live.com > CC: > > openstack@lists.launchpad.net > > Im not > really > sure > but > you > are > using > range > for > your > environment > 10.0.3.x and 10.0.0.x for fixed. > Can > you > attach > a nova > network conf? > Regards > El > 01/05/2012 > 18:56, "Salman Malik" <salma...@live.com> escribió: > > Hi > Guys, > > Can > anyone provide any insight to the following question: > > https://answers.launchpad.net/nova/+question/195439 > > > Thanks, > Salman > > > > _______________________________________________ > > Mailing list: https://launchpad.net/~openstack > Post > to : openstack@lists.launchpad.net > > Unsubscribe : https://launchpad.net/~openstack > More > help : https://help.launchpad.net/ListHelp > > > > _______________________________________________ > Mailing list: > https://launchpad.net/~openstack > Post to : > openstack@lists.launchpad.net > Unsubscribe : > https://launchpad.net/~openstack > More help : > https://help.launchpad.net/ListHelp > > > > > > > > > > > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack Post to : > openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > > > > > > > > >
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