[ovs-discuss] ovndb_servers can't be promoted

[Hui Xiang]

Thanks Numan for the userful info and good patches.

Yes the patch seems help a bit, but my environment looks also have other
miss configurations, I am working on it first and then test your patches
again, will keep you posted for any news.

On Fri, Nov 24, 2017 at 10:54 PM, Numan Siddique <nusiddiq at redhat.com>
wrote:

> Hi Hui Xiang,
>
> Can you please try with this patch [1]  and see if it works for you ?
> Please let me know how it goes. But I am not sure, if the patch would fix
> the issue.
>
> To brief, the OVN OCF script doesn't add monitor action for "Master" role.
> So pacemaker Resource agent would not check for the status of ovn db
> servers periodically. In case ovn db servers are killed, pacemaker wont
> know about it.
>
>
>
>
> You can also take a look at this [1] to know how it is used in openstack
> with tripleo installation.
>
> [1] - https://patchwork.ozlabs.org/patch/839022/
> [2] - https://github.com/openstack/puppet-tripleo/blob/
> master/manifests/profile/pacemaker/ovn_northd.pp
>
>
> Thanks
> Numan
>
> On Fri, Nov 24, 2017 at 3:00 PM, Hui Xiang <xianghuir at gmail.com> wrote:
>
>> Hi folks,
>>
>>   I am following what suggested on doc[1] to configure the ovndb_servers
>> HA, however, it's so unluck with upgrading pacemaker packages from 1.12 to
>> 1.16, do almost every kind of changes, there still not a ovndb_servers
>> master promoted, is there any special recipe for it to run? so frustrated
>> on it, sigh.
>>
>> It always showed:
>>  Master/Slave Set: ovndb_servers-master [ovndb_servers]
>>      Stopped: [ node-1.domain.tld node-2.domain.tld node-3.domain.tld ]
>>
>> Even if I tried below steps:
>> 1. pcs resource debug-stop ovndb_server on every nodes.      ovn-ctl
>> status_ovnxb: running/backup
>> 2. pcs resource debug-start ovndb_server on every nodes.      ovn-ctl
>> status_ovnxb: running/backup
>> 3. pcs resource debug-promote ovndb_server on one nodes.   ovn-ctl
>> status_ovnxb: running/active
>>
>> With above status, the pcs status still showed as:
>>  Master/Slave Set: ovndb_servers-master [ovndb_servers]
>>      Stopped: [ node-1.domain.tld node-2.domain.tld node-3.domain.tld ]
>>
>>
>> [1]. https://github.com/openvswitch/ovs/blob/master/Document
>> ation/topics/integration.rst
>>
>> Appreciated any hint.
>>
>>
>>
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>> https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
>>
>>
>
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