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Hello Andrew,

Searching further, I find "neutron-ovs-cleanup" mentioned in the admin
guide:

http://docs.openstack.org/admin-guide-cloud/content/install_neutron-l3.html

which says:

"If you reboot a node that runs the L3 agent, you must run the
neutron-ovs-cleanup command before the neutron-l3-agent service starts."

So I believe this service should start during server bootup of network node
(where neutron-l3-agent service runs). Maybe they failed to include this in
the official admin guide.


On Mon, Jun 30, 2014 at 1:31 AM, Andrew Mann <andrew at divvycloud.com> wrote:

> Neutron itself starts the dnsmasq processes for tenant networks
> (neutron-dhcp-agent is the service for this I believe), so you should not
> enable dnsmasq in the system startup unless you are using another instance
> of dnsmasq for a non-neutron purpose (such as providing dns and dhcp
> services on your physical network to bare metal systems).
>
> I don't know much about neutron-ovs-cleanup, so I can't help with that
> part of the question.
>
>
> On Sun, Jun 29, 2014 at 1:56 PM, Vimal Kumar <vimal7370 at gmail.com> wrote:
>
>> Hello,
>>
>> I followed the exact steps mentioned at:
>>
>> http://docs.openstack.org/trunk/install-guide/install/yum/content/
>>
>> .. to create a 3 node Openstack IceHouse environment (controller, network
>> & compute).
>>
>> I see that "neutron-ovs-cleanup" service is present on network & compute
>> node, but it is turned off on both. Should this be set to on (in
>> chkconfig)? If yes, then on which node should this service supposed to run
>> (I recon network node, but still wanna confirm with the community).
>>
>> Also, I have the same concern about "dnsmasq" service. I see that this
>> service is installed on network node, but is turned off in chkconfig.
>>
>> However I can find a dnsmasq process currently running:
>>
>> nobody   10602  0.0  0.0  12884   772 ?        S    14:09   0:00 dnsmasq
>> --no-hosts --no-resolv --strict-order --bind-interfaces
>> --interface=tap47c93394-55 --except-interface=lo
>> --pid-file=/var/lib/neutron/dhcp/18018aab-920b-42d4-99c3-c036155e60bf/pid
>> --dhcp-hostsfile=/var/lib/neutron/dhcp/18018aab-920b-42d4-99c3-c036155e60bf/host
>> --addn-hosts=/var/lib/neutron/dhcp/18018aab-920b-42d4-99c3-c036155e60bf/addn_hosts
>> --dhcp-optsfile=/var/lib/neutron/dhcp/18018aab-920b-42d4-99c3-c036155e60bf/opts
>> --leasefile-ro --dhcp-range=tag0,192.168.1.0,static,86400s
>> --dhcp-lease-max=256 --conf-file= --domain=openstacklocal
>>
>> The Openstack official guide for RHEL flavors does not mention whether
>> these services should be turned on during server reboot (using chkconfig).
>>
>> My concern is whether to start them automatically in case of a server
>> reboot. Please assist.
>>
>> Regards,
>> Vimal
>>
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>>
>
>
> --
> Andrew Mann
> DivvyCloud Inc.
> www.divvycloud.com
>
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