[ClusterLabs] Cluster active/active

Dayvidson Bezerra dayvidsonbezerra at gmail.com
Sun Oct 9 12:34:29 CEST 2016


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
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>> >     <http://lattes.cnpq.br/3299061783823913/> /
>> >     > //Linked In:
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>> >     <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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>> Users at clusterlabs.org>
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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
>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>> 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*

*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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