[ClusterLabs] Cluster active/active

Dayvidson Bezerra dayvidsonbezerra at gmail.com
Mon Oct 10 06:31:57 CEST 2016 

Analyzing the log of zabbix application, I see that the problem of not
being started on node02 is Cuz the PID can not be accessed by 2 hosts.

root at node01:/usr/local/etc/log_zabbix# pcs resource
 Master/Slave Set: ZabbixDTClone [ZabbixDT]
     Masters: [ node01 node02 ]
 Clone Set: dlm-clone [dlm]
     Started: [ node01 node02 ]
 Clone Set: ClusterIP-clone [ClusterIP] (unique)
     ClusterIP:0 (ocf::heartbeat:IPaddr2): Started node01
     ClusterIP:1 (ocf::heartbeat:IPaddr2): Started node02
 Clone Set: ZabbixFS-clone [ZabbixFS]
     Started: [ node01 node02 ]
 Clone Set: p_zabbix-clone [p_zabbix]
     Started: [ node01 ]
     Stopped: [ node02 ]
root at node01:/usr/local/etc/log_zabbix#


zabbix log;

root at node01:/usr/local/etc# tail -f log_zabbix/zabbix_server.log
  7360:20161010:011833.254 server #23 started [discoverer #5]
  7363:20161010:011833.255 server #26 started [history syncer #3]
  7364:20161010:011833.255 server #27 started [history syncer #4]
  7365:20161010:011833.257 server #28 started [escalator #1]
  7366:20161010:011833.257 server #29 started [ipmi poller #1]
  7367:20161010:011833.258 server #30 started [proxy poller #1]
  7368:20161010:011833.258 server #31 started [self-monitoring #1]
  7369:20161010:011833.259 server #32 started [task manager #1]
zabbix_server [5964]: Is this process already running? Could not lock PID
file [/usr/local/etc/log_zabbix/zabbix_server.pid]: [11] Resource
temporarily unavailable
zabbix_server [6481]: Is this process already running? Could not lock PID
file [/usr/local/etc/log_zabbix/zabbix_server.pid]: [11] Resource
temporarily unavailable



2016-10-10 1:13 GMT-03:00 Dayvidson Bezerra <dayvidsonbezerra at gmail.com>:

> I'm getting this error shown below.
>
> Can someone help me?
>
> root at node01:~# pcs status
> Cluster name: mycluster
> WARNING: corosync and pacemaker node names do not match (IPs used in
> setup?)
> Last updated: Mon Oct 10 01:11:52 2016 Last change: Mon Oct 10 01:04:58
> 2016 by root via crm_resource on node01
> Stack: corosync
> Current DC: node02 (version 1.1.14-70404b0) - partition with quorum
> 2 nodes and 10 resources configured
>
> Online: [ node01 node02 ]
>
> Full list of resources:
>
>  Master/Slave Set: ZabbixDTClone [ZabbixDT]
>      Masters: [ node01 node02 ]
>  Clone Set: dlm-clone [dlm]
>      Started: [ node01 node02 ]
>  Clone Set: ClusterIP-clone [ClusterIP] (unique)
>      ClusterIP:0 (ocf::heartbeat:IPaddr2): Started node01
>      ClusterIP:1 (ocf::heartbeat:IPaddr2): Started node02
>  Clone Set: ZabbixFS-clone [ZabbixFS]
>      Started: [ node01 node02 ]
>  Clone Set: p_zabbix-clone [p_zabbix]
>      Started: [ node01 ]
>      Stopped: [ node02 ]
>
> Failed Actions:
> * p_zabbix_start_0 on node02 'unknown error' (1): call=42, status=Timed
> Out, exitreason='none',
>     last-rc-change='Mon Oct 10 01:11:17 2016', queued=0ms, exec=20005ms
> * p_zabbix_monitor_10000 on node01 'not running' (7): call=51,
> status=complete, exitreason='none',
>     last-rc-change='Mon Oct 10 01:11:47 2016', queued=0ms, exec=0ms
>
>
> 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:~#
>
>
> 2016-10-09 20:50 GMT-03:00 Dayvidson Bezerra <dayvidsonbezerra at gmail.com>:
>
>> 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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>>>>> >     <mailto:Users at clusterlabs.org>>
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>>>>> >     <http://clusterlabs.org/mailman/listinfo/users>
>>>>> >     >     <http://clusterlabs.org/mailman/listinfo/users
>>>>> >     <http://clusterlabs.org/mailman/listinfo/users>>
>>>>> >     >
>>>>> >     >     Project Home: http://www.clusterlabs.org
>>>>> >     >     Getting started:
>>>>> >     >     http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>>>>> >     <http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf>
>>>>> >     >     <http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>>>>> >     <http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf>>
>>>>> >     >     Bugs: http://bugs.clusterlabs.org
>>>>> >     >
>>>>> >     >
>>>>> >     >
>>>>> >     >
>>>>> >     > --
>>>>> >     > /*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/>
>>>>> >     > /
>>>>> >     >
>>>>> >     >
>>>>> >     > _______________________________________________
>>>>> >     > Users mailing list: Users at clusterlabs.org
>>>>> >     <mailto:Users at clusterlabs.org>
>>>>> >     > http://clusterlabs.org/mailman/listinfo/users
>>>>> >     <http://clusterlabs.org/mailman/listinfo/users>
>>>>> >     >
>>>>> >     > Project Home: http://www.clusterlabs.org
>>>>> >     > Getting started:
>>>>> >     http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>>>>> >     <http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf>
>>>>> >     > Bugs: http://bugs.clusterlabs.org
>>>>> >     >
>>>>> >
>>>>> >
>>>>> >     --
>>>>> >     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 <mailto:
>>>>> Users at clusterlabs.org>
>>>>> >     http://clusterlabs.org/mailman/listinfo/users
>>>>> >     <http://clusterlabs.org/mailman/listinfo/users>
>>>>> >
>>>>> >     Project Home: http://www.clusterlabs.org
>>>>> >     Getting started:
>>>>> >     http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>>>>> >     <http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf>
>>>>> >     Bugs: http://bugs.clusterlabs.org
>>>>> >
>>>>> >
>>>>> >
>>>>> >
>>>>> > --
>>>>> > /*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/da
>>>>> yvidson-bezerra/2a/772/bb7/
>>>>> > /
>>>>> >
>>>>> >
>>>>> > _______________________________________________
>>>>> > 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
>>>>> >
>>>>>
>>>>>
>>>>> --
>>>>> 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 <%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 <%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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