[Users] Multiple network interfaces on engine?
Michael Pasternak
mpastern at redhat.com
Mon Sep 23 13:23:44 UTC 2013
is it possible that you have all-in-one installed and have both the engine
and host on a same machine?
On 09/23/2013 04:05 PM, Itamar Heim wrote:
> On 09/23/2013 02:41 PM, Rickard Kristiansson wrote:
>> OK. Maybe I'm asking for something irrelevant, but to answer René's
>> question; The use case is that there are two separate physical networks
>> for general IP and storage IP, and Engine seems to require to be able to
>> reach the NFS server to validate the connection when configuring
>> mapping. So to be able to configure a NFS server, the Engine needs to be
>> connected also to the storage network.
>
> engine does not need to be connected to storage network. it does all storage access via the hosts.
>
>> It worked fine after manually tweaking the sysconfig/network-scripts,
>> but this config was then shortly overridden by Engine discovering and
>> trying to use the second NIC for bonding with ovirtmgmt.
>
> the engine isn't trying to bond by itself. have you bonded the interfaces on the host setup-network dialog?
>
>>
>> ------------------------------------------------------------------------
>> *Från: *"Michael Pasternak" <mpastern at redhat.com>
>> *Till: *"Rickard Kristiansson" <rickard at sanuksystems.com>,
>> users at ovirt.org, "Oved Ourfalli" <ovedo at redhat.com>
>> *Kopia: *"Ohad Levy" <olevy at redhat.com>
>> *Skickat: *måndag, 23 sep 2013 13:35:40
>> *Ämne: *Re: [Users] Multiple network interfaces on engine?
>>
>> On 09/23/2013 02:23 PM, Rickard Kristiansson wrote:
>> > Hmm.. yes, I do have the storage network configured in DC and
>> Cluster, and also attached to all my hypervisors.
>> > The question is just how I also attach it to the Engine server, as
>> this isn't visible as a node in the GUI?
>>
>> i think this could be done with puppet, afaik some work for integrating
>> it to
>> oVirt been done lately, though not sure if it's already available,
>>
>> oved?
>>
>> >
>> >
>> >
>> ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>> > *Från: *"Michael Pasternak" <mpastern at redhat.com>
>> > *Till: *"Rickard Kristiansson" <rickard at sanuksystems.com>
>> > *Kopia: *users at ovirt.org, "\"René \"Koch (ovido)\"\"" <r.koch at ovido.at>
>> > *Skickat: *måndag, 23 sep 2013 13:20:06
>> > *Ämne: *Re: [Users] Multiple network interfaces on engine?
>> >
>> > On 09/23/2013 01:50 PM, Rickard Kristiansson wrote:
>> >> Thanks Michael,
>> >>
>> >> I'm still trying to get my head around this, but I can't see how I
>> configure the networks on the engine?
>> >> For nodes and AOI it's OK, but in my case I am running the engine as
>> a separate server which is not a node and does not show up as a Host in
>> the GUI.
>> >> Or do I need to add the engine as a host in the GUI as well, to be
>> able to configure it?
>> >
>> > IIUC your question, you have various options:
>> >
>> > 1. GUI
>> > 2. SDKs
>> > 3. CLI
>> >
>> > you need to create network in DC, attach it to cluster, attach to
>> host NIC/s (if you want it to be
>> > atomic operation, i.e you expect connectivity loss during the
>> operation/s, setupnetworks should be used,
>> > otherwise you can use attach-network dialogues in UI)
>> >
>> >>
>> >>
>> >>
>> ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>> >> *Från: *"Michael Pasternak" <mpastern at redhat.com>
>> >> *Till: *"Rickard Kristiansson" <rickard at sanuksystems.com>
>> >> *Kopia: *users at ovirt.org
>> >> *Skickat: *måndag, 23 sep 2013 12:21:40
>> >> *Ämne: *Re: [Users] Multiple network interfaces on engine?
>> >>
>> >> On 09/23/2013 12:54 PM, Rickard Kristiansson wrote:
>> >>> Hi,
>> >>>
>> >>> I want to use two network interfaces connected to different
>> networks in Engine (3.3), where one is for ovirtmgmt and one is for a
>> separate storage network.
>> >>> It works fine for a minute or so after rebooting Engine, but then
>> the configuration is changed by Engine, connecting both interfaces to
>> bond0 and losing connectivity (as
>> >>> obviously you can't bond those two interfaces when they are
>> connected to separate physical networks..).
>> >>> What is the mechanism doing this,
>> >>
>> >> please see this [1].
>> >>
>> >> [1] http://www.ovirt.org/Features/Design/Network/SetupNetworks
>> >>
>> >>> and it is possible to disable this automatic network bonding on the
>> engine so that we can use separate networks on the network interfaces..?
>> >>
>> >> attaching logs would help, but i guess it happen cause you did not saved
>> >> your host network config, i.e when host got rebooted, it performs
>> roll-back
>> >> to old config, this is actually disaster recovery mechanism.
>> >>
>> >>>
>> >>> Rickard
>> >>>
>> >>> **
>> >>>
>> >>>
>> >>> _______________________________________________
>> >>> Users mailing list
>> >>> Users at ovirt.org
>> >>> http://lists.ovirt.org/mailman/listinfo/users
>> >>>
>> >>
>> >>
>> >> --
>> >>
>> >> Michael Pasternak
>> >> RedHat, ENG-Virtualization R&D
>> >>
>> >
>> >
>> > --
>> >
>> > Michael Pasternak
>> > RedHat, ENG-Virtualization R&D
>> >
>>
>>
>> --
>>
>> Michael Pasternak
>> RedHat, ENG-Virtualization R&D
>>
>>
>>
>> _______________________________________________
>> Users mailing list
>> Users at ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
>>
>
--
Michael Pasternak
RedHat, ENG-Virtualization R&D
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