[ovirt-users] oVirt Node Network conf X DNS

Rogério Ceni Coelho rogeriocenicoelho at gmail.com
Thu Sep 15 12:14:37 UTC 2016


Thanks!

Em Qui, 15 de set de 2016 09:04, Simone Tiraboschi <stirabos at redhat.com>
escreveu:

> On Wed, Sep 14, 2016 at 11:16 PM, Rogério Ceni Coelho <
> rogeriocenicoelho at gmail.com> wrote:
>
>> Hi oVirt Users and Admins !!!
>>
>> I am installing ovirt 4.0.3 and do above conf on my OVirt Node using bond
>> and vlan.
>>
>> When I add this host to ovirt engine and associate ovirtmgmt network with
>> same tag vlan number 1051, DNS conf was overwrited by vdsm.
>>
>
>
> It's a know issue: https://bugzilla.redhat.com/1160423
> please set you DNSs in /etc/resolv.conf instead of the interface file cfg
> with DNS1 and DNS2.
> You can also try this:
> https://bugzilla.redhat.com/show_bug.cgi?id=1160423#c44
>
>
>>
>> So, as i do not find any way to set DNS on ovirt engine network conf i
>> think that for ovirt nodes i need to use another network that i do not plan
>> to use with virtual machines ( because if i add a new network on ovirt
>> engine with same tag vlan number the ovirt node conf will be overwrited by
>> vdsm ).
>>
>> Before add to ovirt engine :
>>
>> [root at prd-rbs-ovirt-kvm01-poa ~]# ip addr
>>
>> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
>>
>>     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>>
>>     inet 127.0.0.1/8 scope host lo
>>
>>        valid_lft forever preferred_lft forever
>>
>>     inet6 ::1/128 scope host
>>
>>        valid_lft forever preferred_lft forever
>>
>> 2: em1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master
>> bond0 state UP qlen 1000
>>
>>     link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff
>>
>> 3: em2: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master
>> bond0 state UP qlen 1000
>>
>>     link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff
>>
>> 4: p3p1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master
>> bond0 state UP qlen 1000
>>
>>     link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff
>>
>> 5: p3p2: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master
>> bond0 state UP qlen 1000
>>
>>     link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff
>>
>> 6: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue
>> state UP
>>
>>     link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff
>>
>>     inet6 fe80::5e26:aff:fefd:acc/64 scope link
>>
>>        valid_lft forever preferred_lft forever
>>
>> 7: bond0.1051 at bond0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
>> noqueue state UP
>>
>>     link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff
>>
>>     inet 10.151.252.222/22 brd 10.151.255.255 scope global bond0.1051
>>
>>        valid_lft forever preferred_lft forever
>>
>>     inet6 fe80::5e26:aff:fefd:acc/64 scope link
>>
>>        valid_lft forever preferred_lft forever
>>
>> [root at prd-rbs-ovirt-kvm01-poa ~]# cat /etc/resolv.conf
>>
>> # Generated by NetworkManager
>>
>> search rbs.com.br rbs.net clicrbs.com.br srvr.rbs.net
>>
>> nameserver 10.236.68.62
>>
>> nameserver 10.1.1.40
>>
>> nameserver 10.155.33.154
>>
>>
>> After :
>>
>>
>> [root at prd-rbs-ovirt-kvm01-poa ~]# ip addr
>>
>> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
>>
>>     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>>
>>     inet 127.0.0.1/8 scope host lo
>>
>>        valid_lft forever preferred_lft forever
>>
>>     inet6 ::1/128 scope host
>>
>>        valid_lft forever preferred_lft forever
>>
>> 2: em1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master
>> bond0 state UP qlen 1000
>>
>>     link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff
>>
>> 3: em2: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master
>> bond0 state UP qlen 1000
>>
>>     link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff
>>
>> 4: p3p1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master
>> bond0 state UP qlen 1000
>>
>>     link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff
>>
>> 5: p3p2: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc mq master
>> bond0 state UP qlen 1000
>>
>>     link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff
>>
>> 6: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue
>> state UP
>>
>>     link/ether 5c:26:0a:fd:0a:cc brd ff:ff:ff:ff:ff:ff
>>
>> 7: bond0.1051 at bond0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
>> noqueue master ovirtmgmt state UP
>>
>>     link/ether fa:d3:c0:cd:dd:a3 brd ff:ff:ff:ff:ff:ff
>>
>> 8: ;vdsmdummy;: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN
>>
>>     link/ether b2:8b:94:d9:d9:83 brd ff:ff:ff:ff:ff:ff
>>
>> 9: ovirtmgmt: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue
>> state UP
>>
>>     link/ether fa:d3:c0:cd:dd:a3 brd ff:ff:ff:ff:ff:ff
>>
>>     inet 10.151.252.222/22 brd 10.151.255.255 scope global ovirtmgmt
>>
>>        valid_lft forever preferred_lft forever
>>
>> [root at prd-rbs-ovirt-kvm01-poa ~]# cat /etc/resolv.conf
>>
>> # Generated by NetworkManager
>>
>> search rbs.com.br
>>
>>
>>
>> # No nameservers found; try putting DNS servers into your
>>
>> # ifcfg files in /etc/sysconfig/network-scripts like so:
>>
>> #
>>
>> # DNS1=xxx.xxx.xxx.xxx
>>
>> # DNS2=xxx.xxx.xxx.xxx
>>
>> # DOMAIN=lab.foo.com bar.foo.com
>>
>> [root at prd-rbs-ovirt-kvm01-poa ~]# cat
>> /etc/sysconfig/network-scripts/ifcfg-ovirtmgmt
>>
>> # Generated by VDSM version 4.18.11-1.el7.centos
>>
>> DEVICE=ovirtmgmt
>>
>> TYPE=Bridge
>>
>> DELAY=0
>>
>> STP=off
>>
>> ONBOOT=yes
>>
>> IPADDR=10.151.252.222
>>
>> NETMASK=255.255.252.0
>>
>> GATEWAY=10.151.252.1
>>
>> BOOTPROTO=none
>>
>> MTU=1500
>>
>> DEFROUTE=yes
>>
>> NM_CONTROLLED=no
>>
>> IPV6INIT=no
>>
>> [root at prd-rbs-ovirt-kvm01-poa ~]#
>>
>>
>> _______________________________________________
>> Users mailing list
>> Users at ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
>>
>>
>
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