[Openstack] controller redundancy
siloxx at gmail.com
siloxx at gmail.com
Thu Apr 13 20:12:31 UTC 2017
Yes, through Horizon
On 04/13/2017 03:09 PM, Konstantin Raskoshnyi wrote:
> Through horizon?
>
> On Thu, Apr 13, 2017 at 11:21 AM siloxx at gmail.com
> <mailto:siloxx at gmail.com> <siloxx at gmail.com <mailto:siloxx at gmail.com>>
> wrote:
>
> Maybe I'm misunderstanding what you're getting at. I can create both
> public and private networks within OS9.2 using just VLANs. I can also
> create networks on VLANs that are outside of the tenant VLAN range I
> specified in Fuel prior to deployment under the Neutron L2 section.
>
> On 04/13/2017 12:43 PM, Konstantin Raskoshnyi wrote:
> > It has VLAN segmentation, but.
> >
> > Mirantis OS92 using vlans for tenants private network, then it
> connects
> > to flat public network through neutron. If all controllers are
> down, all
> > vms are offline.
> >
> > I've seen in openstack 11 you can choose type of network from horizon
> > like (flat, vlan etc). So you can specify any vlan to attach to VMs
> >
> > On Thu, Apr 13, 2017 at 10:26 AM, siloxx at gmail.com
> <mailto:siloxx at gmail.com>
> > <mailto:siloxx at gmail.com <mailto:siloxx at gmail.com>>
> <siloxx at gmail.com <mailto:siloxx at gmail.com> <mailto:siloxx at gmail.com
> <mailto:siloxx at gmail.com>>>
> > wrote:
> >
> > I'm running Mirantis OS 9.2 and using VLANs so you should be
> able to
> > as well without using OS11. It should provide you the option
> to use
> > VLAN segmentation for networking while running the cloud
> environment
> > creation wizard. Once you create the cloud environment, you can't
> > change this option, you must re-create the cloud to do so(as
> far as
> > I'm aware of).
> >
> > On 04/13/2017 12:19 PM, Konstantin Raskoshnyi wrote:
> >
> > Yes, you must be right.
> > I'm using the old Mirantis OS 9.2, there's no suck options
> like
> > Vlan. Only flat network.
> > I'll take a look on OS11
> >
> > Thanks
> >
> > On Thu, Apr 13, 2017 at 9:24 AM, siloxx at gmail.com
> <mailto:siloxx at gmail.com>
> > <mailto:siloxx at gmail.com <mailto:siloxx at gmail.com>>
> > <mailto:siloxx at gmail.com <mailto:siloxx at gmail.com>
> <mailto:siloxx at gmail.com <mailto:siloxx at gmail.com>>>
> > <siloxx at gmail.com <mailto:siloxx at gmail.com>
> <mailto:siloxx at gmail.com <mailto:siloxx at gmail.com>>
> > <mailto:siloxx at gmail.com <mailto:siloxx at gmail.com>
> <mailto:siloxx at gmail.com <mailto:siloxx at gmail.com>>>>
> > wrote:
> >
> > This is only if you're using the controllers to serve as a
> > gateway
> > to the Internet or to direct incoming traffic to the VMs.
> >
> > If you use a VLAN only network configuration to
> offload the
> > gateway
> > to an external device (router or l3 switch) or you use
> > Neutron in
> > DVR mode, this shouldn't be an issue.
> >
> > On 04/13/2017 10:49 AM, Konstantin Raskoshnyi wrote:
> >
> > If all controllers are down - nova is down and vms
> won't
> > be able to
> > access network
> >
> > On Thu, Apr 13, 2017 at 5:33 AM Adam Lawson
> > <alawson at aqorn.com <mailto:alawson at aqorn.com>
> <mailto:alawson at aqorn.com <mailto:alawson at aqorn.com>>
> > <mailto:alawson at aqorn.com
> <mailto:alawson at aqorn.com> <mailto:alawson at aqorn.com
> <mailto:alawson at aqorn.com>>>
> > <mailto:alawson at aqorn.com
> <mailto:alawson at aqorn.com> <mailto:alawson at aqorn.com
> <mailto:alawson at aqorn.com>>
> > <mailto:alawson at aqorn.com <mailto:alawson at aqorn.com>
> <mailto:alawson at aqorn.com <mailto:alawson at aqorn.com>>>>> wrote:
> >
> > Another FYI, OpenStack services don't have to be
> > running to
> > access a
> > virtual machine. Period. Amy other condition that
> > prevents
> > this is a
> > serious design flaw.
> >
> > //adam
> >
> > On Apr 13, 2017 5:31 AM, wrote:
> >
> > Fyi, the idea of controllers are a bit of a
> > misnomer.
> > You should
> > have redundant services; they don't
> necessarily
> > need to
> > be on
> > the same box. Since your asking as a new user.
> > Have fun!
> >
> > //adam
> >
> > On Apr 12, 2017 5:27 PM, "Konstantin
> Raskoshnyi"
> > <konrasko at gmail.com
> <mailto:konrasko at gmail.com> <mailto:konrasko at gmail.com
> <mailto:konrasko at gmail.com>>
> > <mailto:konrasko at gmail.com <mailto:konrasko at gmail.com>
> <mailto:konrasko at gmail.com <mailto:konrasko at gmail.com>>>
> > <mailto:konrasko at gmail.com
> <mailto:konrasko at gmail.com> <mailto:konrasko at gmail.com
> <mailto:konrasko at gmail.com>>
> > <mailto:konrasko at gmail.com <mailto:konrasko at gmail.com>
> <mailto:konrasko at gmail.com <mailto:konrasko at gmail.com>>>>> wrote:
> >
> > Yes, machines are still running, but since
> > neutron
> > is down
> > none of them can be accessible.
> >
> > On Wed, Apr 12, 2017 at 5:10 PM ron ramos
> > <nhadie at gmail.com <mailto:nhadie at gmail.com>
> <mailto:nhadie at gmail.com <mailto:nhadie at gmail.com>>
> > <mailto:nhadie at gmail.com <mailto:nhadie at gmail.com>
> <mailto:nhadie at gmail.com <mailto:nhadie at gmail.com>>>
> > <mailto:nhadie at gmail.com
> <mailto:nhadie at gmail.com>
> > <mailto:nhadie at gmail.com <mailto:nhadie at gmail.com>>
> <mailto:nhadie at gmail.com <mailto:nhadie at gmail.com>
> > <mailto:nhadie at gmail.com <mailto:nhadie at gmail.com>>>>>
> > wrote:
> >
> > hi,
> >
> > depends on what you mean by
> > inaccessible, your VM is
> > probably still up and running on
> the compute
> > node. but
> > you won't be able to access them
> > remotely as your
> > controller node ( which is hosting
> > neutron ) is
> > down.
> >
> > regards,
> > nhadie
> >
> >
> > On Apr 12, 2017 11:31, "Konstantin
> > Raskoshnyi"
> > <konrasko at gmail.com
> <mailto:konrasko at gmail.com>
> > <mailto:konrasko at gmail.com <mailto:konrasko at gmail.com>>
> <mailto:konrasko at gmail.com <mailto:konrasko at gmail.com>
> > <mailto:konrasko at gmail.com <mailto:konrasko at gmail.com>>>
> > <mailto:konrasko at gmail.com
> <mailto:konrasko at gmail.com> <mailto:konrasko at gmail.com
> <mailto:konrasko at gmail.com>>
> > <mailto:konrasko at gmail.com <mailto:konrasko at gmail.com>
> <mailto:konrasko at gmail.com <mailto:konrasko at gmail.com>>>>> wrote:
> >
> > Hi guys,
> > I'm new to openstack.
> > Installed mirantis os 9,
> > If one of controllers goes
> down - vm
> > machines are
> > not accesible, I though openstack
> > supposed
> > to work
> > even if one controller is alive
> >
> > Any thoughts?
> >
> >
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