openstack team mailing list archive

[Emilien Macchi <emilien.openstack@xxxxxxxxx>]

Thank's for your link, but I'm not sure to have to use it now.


I have one server with all nova services and another with nova-compute
only.


Anyway, I'm going to post a new e-mail about my problem.


Regards


Le vendredi 04 mai 2012 à 13:14 +0000, Vaze, Mandar a écrit :
> Please also see this : https://review.openstack.org/#/c/6829/
> 
>  
> 
> When nova-network is on remote host,  dhcp requests need to go to
> remote server. I’ve proposed a fix above.
> 
>  
> 
> -Mandar
> 
>  
> 
> 
> From: openstack-bounces+mandar.vaze=nttdata.com@xxxxxxxxxxxxxxxxxxx
> [mailto:openstack-bounces+mandar.vaze=nttdata.com@xxxxxxxxxxxxxxxxxxx]
> On Behalf Of Emilien Macchi
> Sent: Thursday, May 03, 2012 2:19 PM
> To: Bilel Msekni
> Cc: salmanmk@xxxxxxxx; openstack@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Openstack] Instance IP assignment problem
> 
> 
> 
>  
> 
> 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.openstack@xxxxxxxxx
>         To: skible@xxxxxxxxxx
>         CC: salmanmk@xxxxxxxx; openstack@xxxxxxxxxxxxxxxxxxx
>         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.openstack@xxxxxxxxx
>         To: salmanmk@xxxxxxxx
>         Date: Thu, 3 May 2012 09:55:31 +0200
>         CC: openstack@xxxxxxxxxxxxxxxxxxx
>         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.openstack@xxxxxxxxx
>         To: salmanmk@xxxxxxxx
>         CC: jorge.delacruz@xxxxxxxxxxxx; openstack@xxxxxxxxxxxxxxxxxxx
>         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.openstack@xxxxxxxxx
>         To: salmanmk@xxxxxxxx
>         CC: jorge.delacruz@xxxxxxxxxxxx; openstack@xxxxxxxxxxxxxxxxxxx
>         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.delacruz@xxxxxxxxxxxx
>         To: emilien.openstack@xxxxxxxxx
>         CC: openstack@xxxxxxxxxxxxxxxxxxx; salmanmk@xxxxxxxx
>         
>         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.openstack@xxxxxxxxx> 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.delacruz@xxxxxxxxxxxx
>         To: salmanmk@xxxxxxxx
>         CC: openstack@xxxxxxxxxxxxxxxxxxx
>         
>         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" <salmanmk@xxxxxxxx>
>         escribió:
>         
>         Hi Guys,
>         
>         Can anyone provide any insight to the following question:
>         https://answers.launchpad.net/nova/+question/195439
>         
>         Thanks,
>         Salman
>         
>         
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>  
> 
> 
> 
> 
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