[ovirt-users] Issue with a LACP bond interface.

[CRiMSON]

net_persistence = ifcfg

in /etc/vdsm/vdsm.conf

Seems to have fixed the issue.

On 1 November 2017 at 21:11, CRiMSON <crimson at unspeakable.org> wrote:

> Ohhh ok weir only 1 interface falls out. Let's find that command.
>
> On 1 November 2017 at 21:10, Derek Atkins <derek at ihtfp.com> wrote:
>
>> You need to save the network configuration.  Ovirt calls it "persist".  I
>> don't know the vdsClient command but there is one to save the network
>> configuration.
>>
>> -derek
>> Sent using my mobile device. Please excuse any typos.
>>
>> On November 1, 2017 9:07:01 PM CRiMSON <crimson at unspeakable.org> wrote:
>>
>>> The config details:
>>>
>>> root at lv426 network-scripts]# cat ifcfg-bond0
>>>
>>> # Generated by VDSM version 4.19.31-1.el7.centos
>>>
>>> DEVICE=bond0
>>>
>>> BONDING_OPTS='mode=4 lacp_rate=1 miimon=100 xmit_hash_policy=2'
>>>
>>> BRIDGE=ovirtmgmt
>>>
>>> ONBOOT=yes
>>>
>>> MTU=1500
>>>
>>> DEFROUTE=no
>>>
>>> NM_CONTROLLED=no
>>>
>>> IPV6INIT=no
>>>
>>> [root at lv426 network-scripts]# cat ifcfg-eno1
>>>
>>> # Generated by VDSM version 4.19.31-1.el7.centos
>>>
>>> DEVICE=eno1
>>>
>>> MASTER=bond0
>>>
>>> SLAVE=yes
>>>
>>> ONBOOT=yes
>>>
>>> MTU=1500
>>>
>>> DEFROUTE=no
>>>
>>> NM_CONTROLLED=no
>>>
>>> IPV6INIT=no
>>>
>>> [root at lv426 network-scripts]# cat ifcfg-enp11s0
>>>
>>> # Generated by VDSM version 4.19.31-1.el7.centos
>>>
>>> DEVICE=enp11s0
>>>
>>> MASTER=bond0
>>>
>>> SLAVE=yes
>>>
>>> ONBOOT=yes
>>>
>>> DEFROUTE=no
>>>
>>> NM_CONTROLLED=no
>>>
>>> IPV6INIT=no
>>>
>>> [root at lv426 network-scripts]# cat ifcfg-enp2s0f0
>>>
>>> # Generated by VDSM version 4.19.31-1.el7.centos
>>>
>>> DEVICE=enp2s0f0
>>>
>>> MASTER=bond0
>>>
>>> SLAVE=yes
>>>
>>> ONBOOT=yes
>>>
>>> MTU=1500
>>>
>>> DEFROUTE=no
>>>
>>> NM_CONTROLLED=no
>>>
>>> IPV6INIT=no
>>>
>>> [root at lv426 network-scripts]# cat ifcfg-enp2s0f1
>>>
>>> # Generated by VDSM version 4.19.31-1.el7.centos
>>>
>>> DEVICE=enp2s0f1
>>>
>>> MASTER=bond0
>>>
>>> SLAVE=yes
>>>
>>> ONBOOT=yes
>>>
>>> MTU=1500
>>>
>>> DEFROUTE=no
>>>
>>> NM_CONTROLLED=no
>>>
>>> IPV6INIT=no
>>>
>>> [root at lv426 network-scripts]# cat ifcfg-ovirtmgmt
>>>
>>> # Generated by VDSM version 4.19.31-1.el7.centos
>>>
>>> DEVICE=ovirtmgmt
>>>
>>> TYPE=Bridge
>>>
>>> DELAY=0
>>>
>>> STP=off
>>>
>>> ONBOOT=yes
>>>
>>> BOOTPROTO=dhcp
>>>
>>> MTU=1500
>>>
>>> DEFROUTE=yes
>>>
>>> NM_CONTROLLED=no
>>>
>>> IPV6INIT=no
>>>
>>> DNS1=10.100.100.1
>>>
>>> DNS2=10.1.2.2
>>>
>>> [root at lv426 network-scripts]# cat /proc/net/bonding/bond0 |grep Slave
>>>
>>> *Slave* Interface: eno1
>>>
>>> *Slave* queue ID: 0
>>>
>>> *Slave* Interface: enp2s0f0
>>>
>>> *Slave* queue ID: 0
>>>
>>> *Slave* Interface: enp2s0f1
>>>
>>> *Slave* queue ID: 0
>>>
>>> *Slave* Interface: enp11s0
>>>
>>> *Slave* queue ID: 0
>>>
>>> As you can see by the above all 4 interfaces are configured and up
>>> properly and working.
>>>
>>> I've configured them using the command:
>>>
>>>  vdsClient -s 0 setupNetworks bondings='{bond0:{nics:eno1+en
>>> p11s0+enp2s0f0+enp2s0f1,options:mode=4 lacp_rate=1 miimon=100
>>> xmit_hash_policy=2}}'
>>>
>>> It's all good.
>>>
>>> But when I reboot interface3 enp11s0 is not part of the bond,
>>>
>>> [root at lv426 ~]# cat /proc/net/bonding/bond0 |grep Slave
>>>
>>> *Slave* Interface: eno1
>>>
>>> *Slave* queue ID: 0
>>>
>>> *Slave* Interface: enp2s0f0
>>>
>>> *Slave* queue ID: 0
>>>
>>> *Slave* Interface: enp2s0f1
>>>
>>> *Slave* queue ID: 0
>>>
>>> And looks like it's had it's bonding config removed b y VDSM.
>>>
>>> [root at lv426 network-scripts]# cat ifcfg-enp11s0
>>>
>>> # Generated by VDSM version 4.19.31-1.el7.centos
>>>
>>> DEVICE=enp11s0
>>>
>>> ONBOOT=yes
>>>
>>> MTU=1500
>>>
>>> NM_CONTROLLED=no
>>>
>>> If I re-=run the vdsClient command and if down/ifup the interface it
>>> happily rejoins the bond and carries on working perfectly.
>>>
>>> For the life of me I can't figure out what I'm missing / done wrong.
>>>
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/users
>>>
>>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ovirt.org/pipermail/users/attachments/20171101/d2b86c8c/attachment.html>