[Openstack-operators] [Neutron][Nova] No Valid Host when booting new VM with Public IP

Adam Lawson alawson at aqorn.com
Tue Mar 17 15:31:03 UTC 2015


That's what I was trying to do actually, uncertain if I could or not so I
was trying...


*Adam Lawson*

AQORN, Inc.
427 North Tatnall Street
Ste. 58461
Wilmington, Delaware 19801-2230
Toll-free: (844) 4-AQORN-NOW ext. 101
International: +1 302-387-4660
Direct: +1 916-246-2072


On Tue, Mar 17, 2015 at 8:30 AM, Adam Lawson <alawson at aqorn.com> wrote:

> My question however sir, is how would this be remedied? Can the public
> network be attached directly to the VM?
>
>
> *Adam Lawson*
>
> AQORN, Inc.
> 427 North Tatnall Street
> Ste. 58461
> Wilmington, Delaware 19801-2230
> Toll-free: (844) 4-AQORN-NOW ext. 101
> International: +1 302-387-4660
> Direct: +1 916-246-2072
>
>
> On Mon, Mar 16, 2015 at 5:49 PM, Nick Jones <nick.jones at datacentred.co.uk>
> wrote:
>
>> Hi Adam.
>>
>> > On 16 Mar 2015, at 20:52, Adam Lawson <alawson at aqorn.com> wrote:
>> >
>> > Got a strange error and I'm really hoping to get some help with it
>> since it has be scratching my head.
>> >
>> > When I create a VM within Horizon and select the PRIVATE network, it
>> boots up great.
>> > When I attempt to create a VM within Horizon and include the PUBLIC
>> network (either by itself or with the private network), it fails with a "No
>> valid host found" error.
>>
>> Just a guess but... It sounds like you’re trying to attach an instance’s
>> network interface directly to your external (‘public’) network which you
>> won’t be able to do, looking at your configuration - i.e assuming your
>> public network is one that’s been created with '--router:external True'.
>> However, I’m guessing that you’re launching an instance as an administrator
>> within that project, which means that nova-scheduler will let you try to do
>> it, but it’ll ultimately fail when neutron refuses to bind an interface to
>> that public network segment - which would explain the errors you’re seeing.
>>
>>>>
>> -Nick
>>
>>
>>
>> --
>> DataCentred Limited registered in England and Wales no. 05611763
>>
>
>
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