You are welcome.

I'm happy you can replicate the problem.

Infact the problem is the name "default" used for the bridge any other name works (i can't test all the names :) )

Claudio

On 10/09/17 08:39, Edward Haas wrote:
This is a limitation of the brctl tool.

Attempting to define a bridge named 'default' fails:
# brctl addbr default
add bridge failed: Invalid argument

Thanks,
Edy.


On Thu, Sep 7, 2017 at 8:26 PM, Claudio Soprano <[email protected] <mailto:[email protected]>> wrote:

    Ok

    After installed the host, i need to attach it the networks

    so I got the Unexpected Exception while I'm trying to add a vlan 1
    (called default) to a Host, in the Setup_networks gui.

    I attached:

    - a screenshoot of all the network we have

    - two screenshoots for the "default" network proprierties (one for
    vnic profile, other for the proprierties)

    - supervdsm.log from host ovc2n06 (i attached all the file, but
    you will find all at the beginning)

    Like already explained, it is simple to replicate the problem with
    a CentOS v7.3 host, you need to create a Bridge called default
    (ifcfg-default) and a Vlan 1 attached to it (ifcfg-enp12s0.1), do
    a systemctl restart network and you will get the error.
    To fix the problem rename the bridge to "def" for example and
    change the Vlan 1 file configuration to link the new name and then
    all works.

    This problem is found only on the CentOS v7.3 on old CentOS v7.2
    hosts the "default" bridge works, to override this problem we
    changed the name to "def" for now.

    All the hosts now are ovirt v4.1.5 and CentOS v7.3 we have also
    some old hosts on CentOS v7.2

    Claudio


    On 07/09/17 13:46, Dan Kenigsberg wrote:

        I do not understand which steps you are doing until you get the
        "Unexpected Exception" dialog.
        Could you detail them?

        Also, can you share supervdsm.log from the relevant host, so
        we can
        understand the nature of that unexpected exception?

        On Wed, Aug 30, 2017 at 12:31 PM, Claudio Soprano
        <[email protected]
        <mailto:[email protected]>> wrote:

            The problem is not the host-deploy, infact the deploy
            finished without
            errors, if i remember good in the deploy process the
            network are not set, i
            need to attach each network i need manually, under hosts,
            network interface,
            setup host networks

            and the problem is there, when i attach all the VLANs
            (including the
            default, that is VLAN 1) it gave error, default is not
            present in the
            system, if i add all the VLANS (excluding the default,
            that is VLAN 1) it is
            OK, but the host will not activate because missing the
            default vlan.

            If i manually add the 2 configuration files (ifcfg-default
            and ifcfg-intX.1)
            to the host and make a systemctl network restart, it gave
            error then

            ip addr reports

            the vlan 1 is added, but not the Bridge to default (the
            default is missing
            error).

            I don't know if the name "default" (for the network, VLAN
            1) could be the
            problem, but i can't rename now, because i need to detach
            from the hosts,
            but actually i can't.

            I added 3 screenshoots to show you the situation, before
            adding VLAN 1
            ("default" network), the error when adding it, and the
            info on the error.


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    <tel:%28%2B39%29-06-9403.2349>/2355
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--

       /        |    /   _____/           /    |    /   _____/    |    /
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Computing Service              fax:    (+39)-06-9403.2649
LNF-INFN                       e-mail: [email protected]
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