[Pacemaker] pacemaker + corosync + clvm in ubuntu

Sat Mar 23 15:09:35 EDT 2013

 I can't finde this packet in ubuntu repos. I'll try to use debian's one

emmanuel segura <emi2fast at gmail.com> escribió:

>Hello Angel
>
>I'm using debian, i don't know if the result on ubuntu is the same, try
>
>apt-file search dlm_controld.pcmk
>
>Result should be:
>dlm-pcmk: /usr/sbin/dlm_controld.pcmk
>
>
>2013/3/22 Angel L. Mateo <amateo at um.es>
>
>> Hello,
>>
>>         I'm trying to configure a cluster based in pacemaker and
>corosync
>> in two ubuntu precise servers. The cluster is for an active/standby
>> pop/imap server with a shared storage accesed through fibrechannel.
>>
>>         In order to avoid concurrent access to this shared storage, I
>need
>> clvm (maybe I'm wrong), so I'm trying to configure it. According to
>> different guides and howtos I have found I have configured a DLM and
>clvm
>> resource:
>>
>> root at myotis51:/etc/cluster# crm configure show
>> node myotis51
>> node myotis52
>> primitive clvm ocf:lvm2:clvmd \
>>         params daemon_timeout="30" \
>>         meta target-role="Started"
>> primitive dlm ocf:pacemaker:controld \
>>         meta target-role="Started"
>> group dlm-clvm dlm clvm
>> clone dlm-clvm-clone dlm-clvm \
>>         meta interleave="true" ordered="true"
>> property $id="cib-bootstrap-options" \
>>        
>dc-version="1.1.6-**9971ebba4494012a93c03b40a2c58e**c0eb60f50c" \
>>         cluster-infrastructure="cman" \
>>         expected-quorum-votes="2" \
>>         stonith-enabled="false" \
>>         no-quorum-policy="ignore" \
>>         last-lrm-refresh="1363957949"
>> rsc_defaults $id="rsc-options" \
>>         resource-stickiness="100"
>>
>>         With this configuration, resources are not launched, I think
>> because DLM is failing because it's trying to launch
>dlm_controld.pcmk
>> which is not installed in my system
>>
>> Mar 22 13:52:57 myotis51 pengine: [2989]: notice: LogActions: Start
>dlm:0
>>       (myotis51)
>> Mar 22 13:52:57 myotis51 pengine: [2989]: notice: LogActions: Leave
>dlm:1
>>       (Stopped)
>> Mar 22 13:52:57 myotis51 crmd: [2990]: info: te_rsc_command:
>Initiating
>> action 4: monitor dlm:0_monitor_0 on myotis51 (local)
>> Mar 22 13:52:57 myotis51 crmd: [2990]: info: do_lrm_rsc_op:
>Performing
>> key=4:0:7:71fa2334-a3f3-4c01-**a000-7e702a32d0e2 op=dlm:0_monitor_0 )
>> Mar 22 13:52:57 myotis51 lrmd: [2987]: info: rsc:dlm:0 probe[2] (pid
>3050)
>> Mar 22 13:52:57 myotis51 controld[3050]: ERROR: Setup problem:
>couldn't
>> find command: dlm_controld.pcmk
>> Mar 22 13:52:57 myotis51 lrmd: [2987]: info: operation monitor[2] on
>dlm:0
>> for client 2990: pid 3050 exited with return code 5
>> Mar 22 13:52:57 myotis51 crmd: [2990]: info: process_lrm_event: LRM
>> operation dlm:0_monitor_0 (call=2, rc=5, cib-update=27,
>confirmed=true) not
>> installed
>> Mar 22 13:52:57 myotis51 crmd: [2990]: WARN: status_from_rc: Action 4
>> (dlm:0_monitor_0) on myotis51 failed (target: 7 vs. rc: 5): Error
>> Mar 22 13:52:57 myotis51 crmd: [2990]: info: abort_transition_graph:
>> match_graph_event:277 - Triggered transition abort (complete=0,
>> tag=lrm_rsc_op, id=dlm:0_last_failure_0,
>magic=0:5;4:0:7:71fa2334-a3f3-**4c01-a000-7e702a32d0e2,
>> cib=0.32.14) : Event failed
>> Mar 22 13:52:57 myotis51 crmd: [2990]: info: match_graph_event:
>Action
>> dlm:0_monitor_0 (4) confirmed on myotis51 (rc=4)
>> Mar 22 13:52:57 myotis51 pengine: [2989]: notice: unpack_rsc_op: Hard
>> error - dlm:0_last_failure_0 failed with rc=5: Preventing
>dlm-clvm-clone
>> from re-starting on myotis51
>> Mar 22 13:52:57 myotis51 pengine: [2989]: notice: LogActions: Leave
>dlm:0
>>       (Stopped)
>> Mar 22 13:52:57 myotis51 pengine: [2989]: notice: LogActions: Leave
>dlm:1
>>       (Stopped)
>>
>>         The problem with this is that I can't find any
>dlm_controld.pcmk
>> binary for ubuntu. Any idea on how to fix this?
>>
>>         The closest command I have found is dlm_controld provided
>with
>> cman packages, but then I have to replace corosync with cman. Doing
>this is
>> not a big problem for me. The fact is that I'm newbie in HA and the
>use of
>> corosync instead of cman is because this is the one documented with
>> pacemaker (http://clusterlabs.org/doc/**en-US/Pacemaker/1.1-plugin/**
>>
>html/Clusters_from_Scratch/**index.html<http://clusterlabs.org/doc/en-US/Pacemaker/1.1-plugin/html/Clusters_from_Scratch/index.html>
>> ).
>>
>>         Is it corosync supposed to be better (or more open or more
>> standard based) than cman? In case corosync is more recommended, then
>what
>> is the solution for the dlm problem?
>>
>>         Thanks in advanced.
>>
>> --
>> Angel L. Mateo Martínez
>> Sección de Telemática
>> Área de Tecnologías de la Información
>> y las Comunicaciones Aplicadas (ATICA)
>> http://www.um.es/atica
>> Tfo: 868889150
>> Fax: 868888337
>>
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>>
>> 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>
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>>
>
>
>
>-- 
>esta es mi vida e me la vivo hasta que dios quiera
>
>
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