[ClusterLabs] Cluster active/active
Dayvidson Bezerra
dayvidsonbezerra at gmail.com
Sun Oct 9 23:50:28 UTC 2016
I could add the Zabbix service to the cluster with the following command;
pcs resource create p_zabbix ocf:heartbeat:zabbixserver params
binary="/usr/local/sbin/zabbix_server"
pid="/usr/local/etc/log_zabbix/zabbix_server.pid" op monitor interval="10s"
timeout="20s" op stop interval="0" timeout="20s" meta target-role="Started"
The project is going, I will now adjust the application and go to the GSF2
for active / active cluster.
2016-10-09 7:34 GMT-03:00 Dayvidson Bezerra <dayvidsonbezerra at gmail.com>:
> added service with the following line;
>
> pcs resource create ZabbixServer lsb:zabbix_server op monitor interval=30s
>
> when I look at the status;
>
> oot at node01:/usr/local/etc# pcs status
> Cluster name: mycluster
> WARNING: corosync and pacemaker node names do not match (IPs used in
> setup?)
> Last updated: Sun Oct 9 07:33:19 2016 Last change: Sun Oct 9 07:27:33
> 2016 by root via cibadmin on node01
> Stack: corosync
> Current DC: node02 (version 1.1.14-70404b0) - partition with quorum
> 2 nodes and 2 resources configured
>
> Online: [ node01 node02 ]
>
> Full list of resources:
>
> ClusterIP (ocf::heartbeat:IPaddr2): Started node01
> * ZabbixServer (lsb:zabbix_server): Started node01*
>
> *Failed Actions:*
> ** ZabbixServer_start_0 on node02 'unknown error' (1): call=10510,
> status=Error, exitreason='none',*
> * last-rc-change='Sun Oct 9 07:30:21 2016', queued=0ms, exec=57ms*
> ** ZabbixServer_monitor_30000 on node01 'not running' (7): call=9573,
> status=complete, exitreason='none',*
> * last-rc-change='Sun Oct 9 07:33:19 2016', queued=0ms, exec=14ms*
>
>
> PCSD Status:
> node01 (10.10.10.100): Online
> node02 (10.10.10.200): Online
>
> Daemon Status:
> corosync: active/enabled
> pacemaker: active/enabled
> pcsd: active/enabled
> root at node01:/usr/local/etc#
>
>
> 2016-10-09 5:29 GMT-03:00 Dayvidson Bezerra <dayvidsonbezerra at gmail.com>:
>
>> I am following the clusterlabs documentation that is for RedHat and
>> making adjustments to Ubuntu.
>>
>> node01= 10.10.10.100 (zabbix core)
>> node02= 10.10.10.200 (zabbix core)
>> VIP= 10.10.10.250
>> zabbixweb= 10.10.10.2
>> zabbixbd= 10.10.10.1
>>
>> I am having problem in zabbix core connection (node01 and node02) with
>> zabbixbd is coming duplicate data in the database server because the two
>> core is sending the same information to the database.
>>
>> As the cluster is active / active wanted a way to information originated
>> by them also be unique and not each generate the same information and try
>> to add to the database because it is generating me the errors below.
>>
>> 2016-10-08 12:40:19 BRT [23651-1] zabbix at zabbix ERROR: duplicate key
>> value violates unique constraint "events_pkey"
>> 2016-10-08 12:40:19 BRT [23651-2] zabbix at zabbix DETAIL: Key
>> (eventid)=(83) already exists.
>>
>> And zabbix Server that runs on the node (01 and 02) is giving me these
>> errors below.
>>
>> root at node02:~# tail -f /var/log/zabbix/zabbix_server.log
>> ]
>> 1276:20161008:123901.007 [Z3005] query failed: [0]
>> PGRES_FATAL_ERROR:ERROR: duplicate key value violates unique constraint
>> "events_pkey"
>> DETAIL: Key (eventid)=(80) already exists.
>> [insert into events (eventid,source,object,objectid,clock,ns,value)
>> values (80,0,0,13491,1475941141,832194,1),(81,3,0,13491,1475941141,
>> 832194,0),(82,3,0,13574,1475941141,836284,0);
>> ]
>> 1267:20161008:124019.389 enabling Zabbix agent checks on host "Zabbix
>> server": host became available
>> 1285:20161008:124019.764 [Z3005] query failed: [0]
>> PGRES_FATAL_ERROR:ERROR: duplicate key value violates unique constraint
>> "events_pkey"
>> DETAIL: Key (eventid)=(83) already exists.
>> [insert into events (eventid,source,object,objectid,clock,ns,value)
>> values (83,0,0,13491,1475941219,390629436,0);
>> ]
>>
>>
>> 2016-10-08 22:26 GMT-03:00 Digimer <lists at alteeve.ca>:
>>
>>> Can you please share the requested information?
>>>
>>> digimer
>>>
>>> On 08/10/16 07:51 PM, Dayvidson Bezerra wrote:
>>> > My project is to achieve a cluster zabbix active / active.
>>> >
>>> > I'm having trouble declaring zabbix service in the cluster.
>>> >
>>> > 2016-10-08 13:04 GMT-03:00 Digimer <lists at alteeve.ca
>>> > <mailto:lists at alteeve.ca>>:
>>> >
>>> > Can you share your current full configuration please?
>>> >
>>> > If you're hitting errors, please also share the relevant log
>>> entries
>>> > from the nodes.
>>> >
>>> > digimer
>>> >
>>> > On 07/10/16 09:06 PM, Dayvidson Bezerra wrote:
>>> > > The company only uses Ubuntu, and do not want another distro in
>>> your
>>> > > environment.
>>> > >
>>> > > I'm scolding to solve this .. I've done active / passive cluster
>>> with
>>> > > DRBD but active / not active.
>>> > >
>>> > > What I have read is about the use of pacemaker + corosync and
>>> using GSF2.
>>> > >
>>> > > Someone who has already succeeded in making active / active in
>>> Linux Ubuntu?
>>> > >
>>> > >
>>> > > 2016-10-07 20:50 GMT-03:00 Digimer <lists at alteeve.ca <mailto:
>>> lists at alteeve.ca>
>>> > > <mailto:lists at alteeve.ca <mailto:lists at alteeve.ca>>>:
>>> > >
>>> > > On 07/10/16 07:46 PM, Dayvidson Bezerra wrote:
>>> > > > Hello.
>>> > > > I am wanting to set up an active / active cluster in
>>> ubuntu 16.04 with
>>> > > > pacemaket and corosync and following the clusterlabs
>>> documentation I'm
>>> > > > not getting.
>>> > > > Someone has documentation that might help?
>>> > >
>>> > > Last I checked (and it's not been recently), ubuntu's
>>> support for HA is
>>> > > still lacking. It's recommended for people new to HA to use
>>> either RHEL
>>> > > (CentOS) or SUSE. Red Hat and SUSE both have paid staff who
>>> make sure
>>> > > that HA works well.
>>> > >
>>> > > If you want to use Ubuntu, after you get a working config in
>>> either EL
>>> > > or SUSE, then you can port. That way, if you run into
>>> issues, you will
>>> > > know your config is good and that you're dealing with an OS
>>> issue. Keeps
>>> > > the fewest variables in play at a time.
>>> > >
>>> > > Also, I don't know of any good docs for HA on ubuntu, for
>>> the same
>>> > > reason.
>>> > >
>>> > > --
>>> > > Digimer
>>> > > Papers and Projects: https://alteeve.ca/w/
>>> > > What if the cure for cancer is trapped in the mind of a
>>> person without
>>> > > access to education?
>>> > >
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>>> > >
>>> > >
>>> > > --
>>> > > /*Dayvidson Bezerra*
>>> > > /
>>> > > //*/Pós-Graduado em Gerenciamento de Redes - FIR-PE/
>>> > > /Graduado em Redes de Computadores - FMN
>>> > > /*/F: +55 81 9877-5127 <tel:%2B55%2081%209877-5127>/
>>> > > /Skype: dayvidson.bezerra
>>> > > //Lattes: //http://lattes.cnpq.br/3299061783823913/
>>> > <http://lattes.cnpq.br/3299061783823913/> /
>>> > > //Linked In:
>>> > /http://br.linkedin.com/pub/dayvidson-bezerra/2a/772/bb7/
>>> > <http://br.linkedin.com/pub/dayvidson-bezerra/2a/772/bb7/>
>>> > > /
>>> > >
>>> > >
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>>> >
>>> > --
>>> > Digimer
>>> > Papers and Projects: https://alteeve.ca/w/
>>> > What if the cure for cancer is trapped in the mind of a person
>>> without
>>> > access to education?
>>> >
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>>> >
>>> >
>>> > --
>>> > /*Dayvidson Bezerra*
>>> > /
>>> > //*/Pós-Graduado em Gerenciamento de Redes - FIR-PE/
>>> > /Graduado em Redes de Computadores - FMN
>>> > /*/F: +55 81 9877-5127/
>>> > /Skype: dayvidson.bezerra
>>> > //Lattes: //http://lattes.cnpq.br/3299061783823913/ /
>>> > //Linked In: /http://br.linkedin.com/pub/dayvidson-bezerra/2a/772/bb7/
>>> > /
>>> >
>>> >
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>>>
>>>
>>> --
>>> Digimer
>>> Papers and Projects: https://alteeve.ca/w/
>>> What if the cure for cancer is trapped in the mind of a person without
>>> access to education?
>>>
>>> _______________________________________________
>>> Users mailing list: Users at clusterlabs.org
>>> http://clusterlabs.org/mailman/listinfo/users
>>>
>>> Project Home: http://www.clusterlabs.org
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>>> Bugs: http://bugs.clusterlabs.org
>>>
>>
>>
>>
>> --
>>
>> *Dayvidson Bezerra*
>>
>>
>> *Pós-Graduado em Gerenciamento de Redes - FIR-PEGraduado em Redes de
>> Computadores - FMN**F: +55 81 9877-5127 <%2B55%2081%209877-5127>*
>>
>> *Skype: dayvidson.bezerra**Lattes: **http://lattes.cnpq.br/3299061783823913
>> <http://lattes.cnpq.br/3299061783823913>*
>> *Linked In: *http://br.linkedin.com/pub/dayvidson-bezerra/2a/772/bb7
>>
>>
>
>
> --
>
> *Dayvidson Bezerra*
>
>
> *Pós-Graduado em Gerenciamento de Redes - FIR-PEGraduado em Redes de
> Computadores - FMN**F: +55 81 9877-5127 <%2B55%2081%209877-5127>*
>
> *Skype: dayvidson.bezerra**Lattes: **http://lattes.cnpq.br/3299061783823913
> <http://lattes.cnpq.br/3299061783823913>*
> *Linked In: *http://br.linkedin.com/pub/dayvidson-bezerra/2a/772/bb7
>
>
--
*Dayvidson Bezerra*
*Pós-Graduado em Gerenciamento de Redes - FIR-PEGraduado em Redes de
Computadores - FMN**F: +55 81 9877-5127*
*Skype: dayvidson.bezerra**Lattes: **http://lattes.cnpq.br/3299061783823913
<http://lattes.cnpq.br/3299061783823913>*
*Linked In: *http://br.linkedin.com/pub/dayvidson-bezerra/2a/772/bb7
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