On Tue, Nov 28, 2017 at 2:29 PM, Hui Xiang <[email protected]> wrote:
> Hi Numan, > > > Finally figure it out what's wrong when running ovndb-servers ocf in my > environment. > > 1. There is no default ovnnb and ovnsb running in my environment, I > thought it should be started by pacemaker as the usual way other typical > resource agent do it. > when I create the ovndb_servers resource, nothing happened, no operation > is executed except monitor, which is really hard to debug for a while. > In the ovsdb_server_monitor() function, first it will check the status, > here, it will be return NOT_RUNNING, then in the ovsdb_server_master_update() > function, "CRM_MASTER -D" is being executed, which appears stopped every > following action, I am not very clear what work it did. > > So, do the ovn_nb and ovn_sb needs to be running previouly before > pacemaker ovndb_servers resource create? Is there any such documentation > referred? > > 2. Without your patch every nodes executing ovsdb_server_monitor and > return OCF_SUCCESS > However, the first node of the three nodes cluster is executed > ovsdb_server_stop action, the reason showed below: > <27>Nov 28 15:35:11 node-1 pengine[1897010]: error: clone_color: > ovndb_servers:0 is running on node-1.domain.tld which isn't allowed > Did I miss anything? I don't understand why it isn't allowed. > > 3. Regard your patch[1] > It first reports "/usr/lib/ocf/resource.d/ovn/ovndb-servers: line 26: > ocf_attribute_target: command not found ]" in my environment(pacemaker > 1.1.12) > Thanks. I will come back to you on your other points. The function "ocf_attribute_target" action must be added in 1.1.16-12. I think it makes sense to either remove "ocf_attribute_target" or find a way so that even older versions work. I will spin a v2. Thanks Numan The log showed same as item2, but I have seen very shortly different state > from "pcs status" as below shown: > Master/Slave Set: ovndb_servers-master [ovndb_servers] > Slaves: [ node-1.domain.tld node-2.domain.tld node-3.domain.tld ] > There is no promote action being executed. > > > Thanks for looking and help. > > [1] - https://patchwork.ozlabs.org/patch/839022/ > > > > > > On Fri, Nov 24, 2017 at 10:54 PM, Numan Siddique <[email protected]> > 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 <[email protected]> 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. >>> >>> >>> >>> _______________________________________________ >>> discuss mailing list >>> [email protected] >>> https://mail.openvswitch.org/mailman/listinfo/ovs-discuss >>> >>> >> >
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