[Openstack] [Fuel] problem resolving node name only on ssh

Mike Scherbakov mscherbakov at mirantis.com
Fri Apr 24 15:40:34 UTC 2015


Likely you don't have connectivity?
If you used VLANs, check your switch / if you use correct ports...

There is a network verification in Fuel, it should pass before you start
deployment. Did you try to run it?

On Fri, Apr 24, 2015 at 5:17 AM, Pedro Velho <pedro.velho at gmail.com> wrote:

> Hi,
>
> Sorry but this was not my issue. I completely deactivated the NM and still
> have the same problem.
>
> # service NetworkManager stop
> Redirecting to /bin/systemctl stop  NetworkManager.service
>
> I discovered the /etc/hosts was generated by puppet and has the good
> values.
> The problem is that those 192.168.x.x interfaces cannot see each other on
> deployed nodes. Meanwhile I did a dirty hack
> I changed the /etc/hosts file just after puppet created them. Nevertheless
> I would
> like to understand why these 192.x.x.x interfaces cannot see each other.
>
>
> Any help is welcome,
> Pedro
>
>
>
>
>
>
> On Thu, Apr 23, 2015 at 5:24 PM, Fabrizio Soppelsa <fsoppelsa at mirantis.com
> > wrote:
>
>>  Hi Pedro,
>> there is a known issue when deploying HA Fuel clusters on Fedora: the
>> interference of the NetworkManager service.
>> Check if this applies to your case
>> https://review.openstack.org/#/c/156188/11/pages/virtualbox/0300-install-virtualbox.rst
>>
>> HTH,
>> Fabrizio
>>
>>
>>
>> On 04/23/2015 05:11 PM, Pedro Velho wrote:
>>
>>  Hi everybody,
>>
>>  I am new around here so sorry if I am doing something wrong posting my
>> question on the wrong track. The thing is that I am fighting against the
>> clock with this project and I stuck on deploying OpenStack with fuel.
>>
>> I am installing openstack on a virtualbox environment using
>> fuel-community-6.0.iso, the fuel version is the last one from the public
>> git repository, checkout and rebased this morning. My host is a Fedora 21
>> with kernel 3.19.3, and virtualbox 4.3.26.
>>
>> I configure a simple deployment with 5 machines: 2 compute, 2 storage
>> ceph OSD, and 1 controller. When deploying openstack, the installation of
>> ubuntu runs smoothly, the problem happens during openstack installation.
>> What exactly happens is an error like below on all compute and storage
>> nodes:
>>
>> 2015-04-23 13:52:33ERR
>>
>>  (/Stage[main]/Ceph::Conf/Exec[ceph-deploy config pull]/returns) change from notrun to 0 failed: ceph-deploy --overwrite-conf config pull node-1 returned 1 instead of one of [0]
>>
>> This error means that there is no ssh route to node-1. I manually checked
>> on the node in question and doing a simple ssh to node-1 won' t work, like
>> this:
>>
>>  root at node-4:~# ssh -v node-1
>>  ...
>> debug1: connect to address 192.168.0.1
>> ...
>>  ssh: connect to host node-1 port 22: No route to host
>>
>>  Indeed it makes sense that ceph-deploy does not reach node-1, it is
>> solving the name incorrectly
>>  on the ssh command. However if I manually try to resolve node-1 for a
>> name I get a correct IP:
>>
>> root at node-4:~# nslookup node-1
>> ...
>>  Address: 10.20.0.4
>>
>>  So there is clearly a problem in the way that node-1 is being resolved.
>> Could you please help me getting this to work. Any help would be very much
>> appreciated.
>>
>>  Thanks in advance,
>>  Pedro
>>
>>
>>
>>
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>>
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>
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-- 
Mike Scherbakov
#mihgen
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