[Pacemaker] pacemaker dies with full log (was: Re: pacemaker dies without logs)

Alessandro Bono alessandro.bono at gmail.com
Mon Sep 23 10:27:46 UTC 2013


On Mon, 23 Sep 2013 15:31:59 +1000, Andrew Beekhof wrote:

> I see:
> 
>> Sep 22 00:45:48 [4412] ga1-ext pacemakerd:    error: pcmk_cpg_dispatch:         Connection to the CPG API failed: Library error (2)
>> Sep 22 00:45:48 [4419] ga1-ext stonith-ng:    error: pcmk_cpg_dispatch:         Connection to the CPG API failed: Library error (2)
>> Sep 22 00:45:48 [4421] ga1-ext      attrd:    error: pcmk_cpg_dispatch:         Connection to the CPG API failed: Library error (2)
>> Sep 22 00:45:48 [4418] ga1-ext        cib:    error: pcmk_cpg_dispatch:         Connection to the CPG API failed: Library error (2)
>> Sep 22 00:45:48 [4423] ga1-ext       crmd:    error: pcmk_cpg_dispatch:         Connection to the CPG API failed: Library error (2)
> 
> which basically means Corosync died or was killed.  If you configure logging in cluster.conf, corosync might provide more information.

Hi Andrew

if I set in /etc/sysconfig/pacemaker

PCMK_debug=yes
PCMK_debugfile=/var/log/pacemaker.log
PCMK_logpriority=debug

Is it correct to debug this problem or there is a better configuration?


> 
> I also see:
> 
>>>        stonith-enabled="false" \
> 
> which is why the cluster couldn't return to a sane state and you got a split-brain for drbd.

ok, I'll try to configure stonith with libvirt

thanks

> 
> 
> On 23/09/2013, at 5:34 AM, Alessandro Bono <alessandro.bono at gmail.com> wrote:
> 
>> Ok Sunday morning it's not good to collect information
>> logs are in /var/log/cluster directory on both nodes
>> these are for secondary node ga2-ext
>> 
>> Sep 22 00:45:39 corosync [TOTEM ] Process pause detected for 20442 ms, flushing membership messages.
>> Sep 22 00:45:45 corosync [CMAN  ] quorum lost, blocking activity
>> Sep 22 00:45:45 corosync [QUORUM] This node is within the non-primary component and will NOT provide any services.
>> Sep 22 00:45:45 corosync [QUORUM] Members[1]: 2
>> Sep 22 00:45:45 corosync [TOTEM ] A processor joined or left the membership and a new membership was formed.
>> Sep 22 00:45:45 corosync [CMAN  ] quorum regained, resuming activity
>> Sep 22 00:45:45 corosync [QUORUM] This node is within the primary component and will provide service.
>> Sep 22 00:45:45 corosync [QUORUM] Members[2]: 1 2
>> Sep 22 00:45:45 corosync [QUORUM] Members[2]: 1 2
>> Sep 22 00:45:46 corosync [CPG   ] chosen downlist: sender r(0) ip(10.12.23.2) ; members(old:2 left:1)
>> Sep 22 00:45:46 corosync [MAIN  ] Completed service synchronization, ready to provide service.
>> Sep 22 00:45:46 [11432] ga2-ext        cib:     info: pcmk_cpg_membership:      Left[1.0] cib.1 
>> Sep 22 00:45:46 [11433] ga2-ext stonith-ng:     info: pcmk_cpg_membership:      Left[1.0] stonith-ng.1 
>> Sep 22 00:45:47 [11432] ga2-ext        cib:     info: crm_update_peer_proc:     pcmk_cpg_membership: Node ga1-ext[1] - corosync-cpg is now offline
>> Sep 22 00:45:47 [11432] ga2-ext        cib:     info: pcmk_cpg_membership:      Member[1.0] cib.2 
>> Sep 22 00:45:47 [11432] ga2-ext        cib:     info: pcmk_cpg_membership:      Joined[2.0] cib.1 
>> Sep 22 00:45:47 [11432] ga2-ext        cib:     info: pcmk_cpg_membership:      Member[2.0] cib.1 
>> Sep 22 00:45:47 [11432] ga2-ext        cib:     info: crm_update_peer_proc:     pcmk_cpg_membership: Node ga1-ext[1] - corosync-cpg is now online
>> Sep 22 00:45:47 [11432] ga2-ext        cib:     info: pcmk_cpg_membership:      Member[2.1] cib.2 
>> Sep 22 00:45:47 [11433] ga2-ext stonith-ng:     info: crm_update_peer_proc:     pcmk_cpg_membership: Node ga1-ext[1] - corosync-cpg is now offline
>> Sep 22 00:45:48 [11432] ga2-ext        cib:     info: cib_process_diff:         Diff 0.143.13 -> 0.143.14 from ga1-ext not applied to 0.143.9: current "num_updates" is less than required
>> Sep 22 00:45:48 [11432] ga2-ext        cib:     info: cib_server_process_diff:  Requesting re-sync from peer
>> Sep 22 00:45:48 [11432] ga2-ext        cib:   notice: cib_server_process_diff:  Not applying diff 0.143.14 -> 0.143.15 (sync in progress)
>> Sep 22 00:45:48 [11432] ga2-ext        cib:   notice: cib_server_process_diff:  Not applying diff 0.143.15 -> 0.143.16 (sync in progress)
>> Sep 22 00:45:48 [11432] ga2-ext        cib:   notice: cib_server_process_diff:  Not applying diff 0.143.16 -> 0.143.17 (sync in progress)
>> Sep 22 00:45:48 [11433] ga2-ext stonith-ng:     info: pcmk_cpg_membership:      Member[1.0] stonith-ng.2 
>> Sep 22 00:45:48 [11433] ga2-ext stonith-ng:     info: pcmk_cpg_membership:      Joined[2.0] stonith-ng.1 
>> Sep 22 00:45:48 [11433] ga2-ext stonith-ng:     info: pcmk_cpg_membership:      Member[2.0] stonith-ng.1 
>> Sep 22 00:45:48 [11433] ga2-ext stonith-ng:     info: crm_update_peer_proc:     pcmk_cpg_membership: Node ga1-ext[1] - corosync-cpg is now online
>> Sep 22 00:45:48 [11433] ga2-ext stonith-ng:     info: pcmk_cpg_membership:      Member[2.1] stonith-ng.2 
>> Sep 22 00:45:48 [11432] ga2-ext        cib:     info: cib_process_replace:      Digest matched on replace from ga1-ext: 00be365e16e96092747ee3d8acc74e7b
>> Sep 22 00:45:48 [11432] ga2-ext        cib:     info: cib_process_replace:      Replaced 0.143.9 with 0.143.17 from ga1-ext
>> Sep 22 00:45:49 [11432] ga2-ext        cib:     info: cib_replace_notify:       Replaced: 0.143.9 -> 0.143.17 from ga1-ext
>> Sep 22 00:45:49 [11432] ga2-ext        cib:     info: cib_process_request:      Completed cib_replace operation for section 'all': OK (rc=0, origin=ga1-ext/ga2-ext/(null), version=0.143.17)
>> Sep 22 00:45:49 [11432] ga2-ext        cib:     info: crm_client_new:   Connecting 0x23c9cd0 for uid=0 gid=0 pid=24772 id=3e16081f-1b7b-4fb7-ab3a-e47dffb68615
>> Sep 22 00:45:48 [11437] ga2-ext       crmd:   notice: cman_event_callback:      Membership 904: quorum lost
>> Sep 22 00:45:49 [11437] ga2-ext       crmd:   notice: crm_update_peer_state:    cman_event_callback: Node ga1-ext[1] - state is now lost (was member)
>> Sep 22 00:45:49 [11432] ga2-ext        cib:     info: cib_process_request:      Completed cib_query operation for section nodes: OK (rc=0, origin=local/crm_attribute/2, version=0.143.17)
>> Sep 22 00:45:49 [11437] ga2-ext       crmd:     info: peer_update_callback:     ga1-ext is now lost (was member)
>> Sep 22 00:45:49 [11437] ga2-ext       crmd:  warning: reap_dead_nodes:  Our DC node (ga1-ext) left the cluster
>> Sep 22 00:45:49 [11437] ga2-ext       crmd:   notice: cman_event_callback:      Membership 904: quorum acquired
>> Sep 22 00:45:49 [11437] ga2-ext       crmd:  warning: reap_dead_nodes:  Our DC node (ga1-ext) left the cluster
>> Sep 22 00:45:49 [11437] ga2-ext       crmd:     info: cman_event_callback:      Membership 904: quorum retained
>> Sep 22 00:45:49 [11437] ga2-ext       crmd:  warning: reap_dead_nodes:  Our DC node (ga1-ext) left the cluster
>> Sep 22 00:45:49 [11432] ga2-ext        cib:     info: cib_process_request:      Completed cib_query operation for section //cib/status//node_state[@id='ga2-ext']//transient_attributes//nvpair[@name='shutdown']: No such device or address (rc=-6, origin=local/attrd/18, version=0.143.17)
>> Sep 22 00:45:49 [11432] ga2-ext        cib:     info: cib_process_request:      Completed cib_query operation for section //cib/status//node_state[@id='ga2-ext']//transient_attributes//nvpair[@name='terminate']: No such device or address (rc=-6, origin=local/attrd/19, version=0.143.17)
>> Sep 22 00:45:49 [11432] ga2-ext        cib:     info: cib_process_request:      Completed cib_query operation for section //cib/status//node_state[@id='ga2-ext']//transient_attributes//nvpair[@name='probe_complete']: OK (rc=0, origin=local/attrd/20, version=0.143.17)
>> Sep 22 00:45:49 [11432] ga2-ext        cib:     info: cib_process_request:      Forwarding cib_modify operation for section status to master (origin=local/attrd/21)
>> Sep 22 00:45:49 [11432] ga2-ext        cib:     info: cib_process_request:      Completed cib_query operation for section //cib/status//node_state[@id='ga2-ext']//transient_attributes//nvpair[@name='master-drbd0']: OK (rc=0, origin=local/attrd/22, version=0.143.17)
>> Sep 22 00:45:49 [11432] ga2-ext        cib:     info: cib_process_request:      Forwarding cib_modify operation for section status to master (origin=local/attrd/23)
>> Sep 22 00:45:49 [11432] ga2-ext        cib:     info: crm_client_destroy:       Destroying 0 events
>> Sep 22 00:45:49 [11437] ga2-ext       crmd:   notice: do_state_transition:      State transition S_NOT_DC -> S_ELECTION [ input=I_ELECTION cause=C_FSA_INTERNAL origin=reap_dead_nodes ]
>> Sep 22 00:45:49 [11437] ga2-ext       crmd:     info: update_dc:        Unset DC. Was ga1-ext
>> Sep 22 00:45:50 [11437] ga2-ext       crmd:     info: pcmk_cpg_membership:      Left[1.0] crmd.1 
>> Sep 22 00:45:50 [11437] ga2-ext       crmd:     info: crm_update_peer_proc:     pcmk_cpg_membership: Node ga1-ext[1] - corosync-cpg is now offline
>> Sep 22 00:45:50 [11437] ga2-ext       crmd:     info: peer_update_callback:     Client ga1-ext/peer now has status [offline] (DC=<null>)
>> Sep 22 00:45:50 [11437] ga2-ext       crmd:     info: pcmk_cpg_membership:      Member[1.0] crmd.2 
>> Sep 22 00:45:50 [11432] ga2-ext        cib:     info: write_cib_contents:       Archived previous version as /var/lib/heartbeat/crm/cib-48.raw
>> Sep 22 00:45:50 [11437] ga2-ext       crmd:     info: pcmk_cpg_membership:      Joined[2.0] crmd.1 
>> Sep 22 00:45:50 [11437] ga2-ext       crmd:     info: pcmk_cpg_membership:      Member[2.0] crmd.1 
>> Sep 22 00:45:50 [11437] ga2-ext       crmd:     info: crm_update_peer_proc:     pcmk_cpg_membership: Node ga1-ext[1] - corosync-cpg is now online
>> Sep 22 00:45:50 [11437] ga2-ext       crmd:     info: peer_update_callback:     Client ga1-ext/peer now has status [online] (DC=<null>)
>> Sep 22 00:45:50 [11437] ga2-ext       crmd:     info: pcmk_cpg_membership:      Member[2.1] crmd.2 
>> Sep 22 00:45:50 [11437] ga2-ext       crmd:  warning: do_log:   FSA: Input I_JOIN_OFFER from route_message() received in state S_ELECTION
>> Sep 22 00:45:50 [11432] ga2-ext        cib:     info: write_cib_contents:       Wrote version 0.143.0 of the CIB to disk (digest: 1d6de77608199fb31f552e22d5d0f708)
>> Sep 22 00:45:50 [11432] ga2-ext        cib:     info: retrieveCib:      Reading cluster configuration from: /var/lib/heartbeat/crm/cib.EqQlyt (digest: /var/lib/heartbeat/crm/cib.kNjefQ)
>> Sep 22 00:45:58 corosync [TOTEM ] A processor failed, forming new configuration.
>> Sep 22 00:46:00 corosync [CMAN  ] quorum lost, blocking activity
>> Sep 22 00:46:00 corosync [QUORUM] This node is within the non-primary component and will NOT provide any services.
>> Sep 22 00:46:00 corosync [QUORUM] Members[1]: 2
>> Sep 22 00:46:00 corosync [TOTEM ] A processor joined or left the membership and a new membership was formed.
>> Sep 22 00:46:00 corosync [CPG   ] chosen downlist: sender r(0) ip(10.12.23.2) ; members(old:2 left:1)
>> Sep 22 00:46:00 corosync [MAIN  ] Completed service synchronization, ready to provide service.
>> 
>> /var/log/cluster/fenced.log on primary
>> 
>> Sep 22 00:45:48 fenced cluster is down, exiting
>> Sep 22 00:45:48 fenced daemon cpg_dispatch error 2
>> Sep 22 00:45:48 fenced cpg_dispatch error 2
>> 
>> /var/log/cluster/dlm_controld.log on primary
>> Sep 22 00:45:48 dlm_controld cluster is down, exiting
>> Sep 22 00:45:48 dlm_controld daemon cpg_dispatch error 2
>> 
>> 
>> On Sun, 22 Sep 2013 08:21:18 +0000, Alessandro Bono wrote:
>> 
>>> Found logs in corosync(!?) log directory
>>> 
>>> these are for primary node ga1-ext
>>> 
>>> Sep 22 00:45:29 corosync [TOTEM ] A processor failed, forming new configuration.
>>> Sep 22 00:45:31 corosync [CMAN  ] quorum lost, blocking activity
>>> Sep 22 00:45:31 corosync [QUORUM] This node is within the non-primary component and will NOT provide any services.
>>> Sep 22 00:45:31 corosync [QUORUM] Members[1]: 1
>>> Sep 22 00:45:31 corosync [TOTEM ] A processor joined or left the membership and a new membership was formed.
>>> Sep 22 00:45:31 corosync [CPG   ] chosen downlist: sender r(0) ip(10.12.23.1) ; members(old:2 left:1)
>>> Sep 22 00:45:31 corosync [MAIN  ] Completed service synchronization, ready to provide service.
>>> Sep 22 00:45:31 [4418] ga1-ext        cib:     info: pcmk_cpg_membership:       Left[4.0] cib.2 
>>> Sep 22 00:45:31 [4418] ga1-ext        cib:     info: crm_update_peer_proc:      pcmk_cpg_membership: Node ga2-ext[2] - corosync-cpg is now offline
>>> Sep 22 00:45:31 [4418] ga1-ext        cib:     info: pcmk_cpg_membership:       Member[4.0] cib.1 
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: pcmk_cpg_membership:       Left[4.0] crmd.2 
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: crm_update_peer_proc:      pcmk_cpg_membership: Node ga2-ext[2] - corosync-cpg is now offline
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: peer_update_callback:      Client ga2-ext/peer now has status [offline] (DC=true)
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:  warning: match_down_event:  No match for shutdown action on ga2-ext
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:   notice: peer_update_callback:      Stonith/shutdown of ga2-ext not matched
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: crm_update_peer_join:      peer_update_callback: Node ga2-ext[2] - join-2 phase 4 -> 0
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: abort_transition_graph:    peer_update_callback:214 - Triggered transition abort (complete=1) : Node failure
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: pcmk_cpg_membership:       Member[4.0] crmd.1 
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:   notice: cman_event_callback:       Membership 900: quorum lost
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:   notice: crm_update_peer_state:     cman_event_callback: Node ga2-ext[2] - state is now lost (was member)
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: peer_update_callback:      ga2-ext is now lost (was member)
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:  warning: match_down_event:  No match for shutdown action on ga2-ext
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:   notice: peer_update_callback:      Stonith/shutdown of ga2-ext not matched
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: abort_transition_graph:    peer_update_callback:214 - Triggered transition abort (complete=1) : Node failure
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:   notice: do_state_transition:       State transition S_IDLE -> S_INTEGRATION [ input=I_NODE_JOIN cause=C_FSA_INTERNAL origin=check_join_state ]
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: do_dc_join_offer_one:      An unknown node joined - (re-)offer to any unconfirmed nodes
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: join_make_offer:   Making join offers based on membership 900
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: join_make_offer:   Skipping ga1-ext: already known 4
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: abort_transition_graph:    do_te_invoke:158 - Triggered transition abort (complete=1) : Peer Halt
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: do_state_transition:       State transition S_INTEGRATION -> S_FINALIZE_JOIN [ input=I_INTEGRATED cause=C_FSA_INTERNAL origin=check_join_state ]
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: crmd_join_phase_log:       join-2: ga2-ext=none
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: crmd_join_phase_log:       join-2: ga1-ext=confirmed
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: do_state_transition:       State transition S_FINALIZE_JOIN -> S_POLICY_ENGINE [ input=I_FINALIZED cause=C_FSA_INTERNAL origin=check_join_state ]
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: abort_transition_graph:    do_te_invoke:151 - Triggered transition abort (complete=1) : Peer Cancelled
>>> Sep 22 00:45:31 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_modify operation for section status: OK (rc=0, origin=local/crmd/703, version=0.143.10)
>>> Sep 22 00:45:31 [4419] ga1-ext stonith-ng:     info: pcmk_cpg_membership:       Left[3.0] stonith-ng.2 
>>> Sep 22 00:45:31 [4419] ga1-ext stonith-ng:     info: crm_update_peer_proc:      pcmk_cpg_membership: Node ga2-ext[2] - corosync-cpg is now offline
>>> Sep 22 00:45:31 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_modify operation for section status: OK (rc=0, origin=local/crmd/704, version=0.143.10)
>>> Sep 22 00:45:31 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_modify operation for section cib: OK (rc=0, origin=local/crmd/705, version=0.143.11)
>>> Sep 22 00:45:31 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_modify operation for section nodes: OK (rc=0, origin=local/crmd/706, version=0.143.11)
>>> Sep 22 00:45:31 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_modify operation for section status: OK (rc=0, origin=local/crmd/707, version=0.143.12)
>>> Sep 22 00:45:31 [4421] ga1-ext      attrd:   notice: attrd_local_callback:      Sending full refresh (origin=crmd)
>>> Sep 22 00:45:31 [4421] ga1-ext      attrd:   notice: attrd_trigger_update:      Sending flush op to all hosts for: probe_complete (true)
>>> Sep 22 00:45:31 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_modify operation for section nodes: OK (rc=0, origin=local/crmd/708, version=0.143.12)
>>> Sep 22 00:45:31 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_modify operation for section status: OK (rc=0, origin=local/crmd/709, version=0.143.13)
>>> Sep 22 00:45:31 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_modify operation for section cib: OK (rc=0, origin=local/crmd/710, version=0.143.13)
>>> Sep 22 00:45:31 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_query operation for section 'all': OK (rc=0, origin=local/crmd/711, version=0.143.13)
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:   notice: unpack_config:     On loss of CCM Quorum: Ignore
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: determine_online_status:   Node ga1-ext is online
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: unpack_rsc_op:     Operation monitor found resource dovecot active on ga1-ext
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:   notice: unpack_rsc_op:     Operation monitor found resource drbd0:0 active in master mode on ga1-ext
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: unpack_rsc_op:     Operation monitor found resource ClusterIP active on ga1-ext
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: unpack_rsc_op:     Operation monitor found resource mail active on ga1-ext
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: unpack_rsc_op:     Operation monitor found resource mysql active on ga1-ext
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: unpack_rsc_op:     Operation monitor found resource drbdlinks active on ga1-ext
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: unpack_rsc_op:     Operation monitor found resource SharedFS active on ga1-ext
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: clone_print:        Master/Slave Set: ms_drbd0 [drbd0]
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: short_print:            Masters: [ ga1-ext ]
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: short_print:            Stopped: [ ga2-ext ]
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: group_print:        Resource Group: service_group
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: native_print:           SharedFS   (ocf::heartbeat:Filesystem):    Started ga1-ext 
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: native_print:           drbdlinks  (ocf::tummy:drbdlinks): Started ga1-ext 
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: native_print:           ClusterIP  (ocf::heartbeat:IPaddr):        Started ga1-ext 
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: native_print:           mail       (ocf::heartbeat:MailTo):        Started ga1-ext 
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: native_print:           mysql      (lsb:mysqld):   Started ga1-ext 
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: native_print:           dovecot    (lsb:dovecot):  Started ga1-ext 
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: native_color:      Resource drbd0:1 cannot run anywhere
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: master_color:      Promoting drbd0:0 (Master ga1-ext)
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: master_color:      ms_drbd0: Promoted 1 instances of a possible 1 to master
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: LogActions:        Leave   drbd0:0 (Master ga1-ext)
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: LogActions:        Leave   drbd0:1 (Stopped)
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: LogActions:        Leave   SharedFS        (Started ga1-ext)
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: LogActions:        Leave   drbdlinks       (Started ga1-ext)
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: LogActions:        Leave   ClusterIP       (Started ga1-ext)
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: LogActions:        Leave   mail    (Started ga1-ext)
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: LogActions:        Leave   mysql   (Started ga1-ext)
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:     info: LogActions:        Leave   dovecot (Started ga1-ext)
>>> Sep 22 00:45:31 [4419] ga1-ext stonith-ng:     info: pcmk_cpg_membership:       Member[3.0] stonith-ng.1 
>>> Sep 22 00:45:31 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_query operation for section //cib/status//node_state[@id='ga1-ext']//transient_attributes//nvpair[@name='probe_complete']: OK (rc=0, origin=local/attrd/51, version=0.143.13)
>>> Sep 22 00:45:31 [4421] ga1-ext      attrd:   notice: attrd_trigger_update:      Sending flush op to all hosts for: master-drbd0 (10000)
>>> Sep 22 00:45:31 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_modify operation for section status: OK (rc=0, origin=local/attrd/52, version=0.143.13)
>>> Sep 22 00:45:31 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_query operation for section //cib/status//node_state[@id='ga1-ext']//transient_attributes//nvpair[@name='master-drbd0']: OK (rc=0, origin=local/attrd/53, version=0.143.13)
>>> Sep 22 00:45:31 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_modify operation for section status: OK (rc=0, origin=local/attrd/54, version=0.143.13)
>>> Sep 22 00:45:31 [4422] ga1-ext    pengine:   notice: process_pe_message:        Calculated Transition 621: /var/lib/pacemaker/pengine/pe-input-288.bz2
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: do_state_transition:       State transition S_POLICY_ENGINE -> S_TRANSITION_ENGINE [ input=I_PE_SUCCESS cause=C_IPC_MESSAGE origin=handle_response ]
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: do_te_invoke:      Processing graph 621 (ref=pe_calc-dc-1379803531-659) derived from /var/lib/pacemaker/pengine/pe-input-288.bz2
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:   notice: run_graph:         Transition 621 (Complete=0, Pending=0, Fired=0, Skipped=0, Incomplete=0, Source=/var/lib/pacemaker/pengine/pe-input-288.bz2): Complete
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:     info: do_log:    FSA: Input I_TE_SUCCESS from notify_crmd() received in state S_TRANSITION_ENGINE
>>> Sep 22 00:45:31 [4423] ga1-ext       crmd:   notice: do_state_transition:       State transition S_TRANSITION_ENGINE -> S_IDLE [ input=I_TE_SUCCESS cause=C_FSA_INTERNAL origin=notify_crmd ]
>>> Sep 22 00:45:45 corosync [TOTEM ] A processor joined or left the membership and a new membership was formed.
>>> Sep 22 00:45:45 corosync [CMAN  ] quorum regained, resuming activity
>>> Sep 22 00:45:45 corosync [QUORUM] This node is within the primary component and will provide service.
>>> Sep 22 00:45:45 corosync [QUORUM] Members[2]: 1 2
>>> Sep 22 00:45:45 corosync [QUORUM] Members[2]: 1 2
>>> Sep 22 00:45:45 [4423] ga1-ext       crmd:   notice: cman_event_callback:       Membership 904: quorum acquired
>>> Sep 22 00:45:45 [4423] ga1-ext       crmd:   notice: crm_update_peer_state:     cman_event_callback: Node ga2-ext[2] - state is now member (was lost)
>>> Sep 22 00:45:45 [4423] ga1-ext       crmd:     info: peer_update_callback:      ga2-ext is now member (was lost)
>>> Sep 22 00:45:45 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_modify operation for section status: OK (rc=0, origin=local/crmd/712, version=0.143.14)
>>> Sep 22 00:45:45 [4423] ga1-ext       crmd:     info: crm_cs_flush:      Sent 0 CPG messages  (1 remaining, last=37): Try again (6)
>>> Sep 22 00:45:45 [4423] ga1-ext       crmd:     info: cman_event_callback:       Membership 904: quorum retained
>>> Sep 22 00:45:45 [4418] ga1-ext        cib:     info: crm_cs_flush:      Sent 0 CPG messages  (1 remaining, last=64): Try again (6)
>>> Sep 22 00:45:45 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_modify operation for section cib: OK (rc=0, origin=local/crmd/713, version=0.143.15)
>>> Sep 22 00:45:45 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_modify operation for section nodes: OK (rc=0, origin=local/crmd/714, version=0.143.15)
>>> Sep 22 00:45:45 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_modify operation for section status: OK (rc=0, origin=local/crmd/715, version=0.143.16)
>>> Sep 22 00:45:45 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_modify operation for section nodes: OK (rc=0, origin=local/crmd/716, version=0.143.16)
>>> Sep 22 00:45:45 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_modify operation for section status: OK (rc=0, origin=local/crmd/717, version=0.143.16)
>>> Sep 22 00:45:45 [4423] ga1-ext       crmd:     info: crm_cs_flush:      Sent 0 CPG messages  (2 remaining, last=37): Try again (6)
>>> Sep 22 00:45:46 [4418] ga1-ext        cib:     info: crm_cs_flush:      Sent 0 CPG messages  (3 remaining, last=64): Try again (6)
>>> Sep 22 00:45:46 corosync [CPG   ] chosen downlist: sender r(0) ip(10.12.23.1) ; members(old:1 left:0)
>>> Sep 22 00:45:46 [4423] ga1-ext       crmd:     info: crm_cs_flush:      Sent 0 CPG messages  (2 remaining, last=37): Try again (6)
>>> Sep 22 00:45:46 [4419] ga1-ext stonith-ng:     info: pcmk_cpg_membership:       Joined[4.0] stonith-ng.2 
>>> Sep 22 00:45:46 [4419] ga1-ext stonith-ng:     info: pcmk_cpg_membership:       Member[4.0] stonith-ng.1 
>>> Sep 22 00:45:46 [4419] ga1-ext stonith-ng:     info: pcmk_cpg_membership:       Member[4.1] stonith-ng.2 
>>> Sep 22 00:45:46 [4419] ga1-ext stonith-ng:     info: crm_update_peer_proc:      pcmk_cpg_membership: Node ga2-ext[2] - corosync-cpg is now online
>>> Sep 22 00:45:46 [4423] ga1-ext       crmd:     info: pcmk_cpg_membership:       Joined[5.0] crmd.2 
>>> Sep 22 00:45:46 [4423] ga1-ext       crmd:     info: pcmk_cpg_membership:       Member[5.0] crmd.1 
>>> Sep 22 00:45:46 [4423] ga1-ext       crmd:     info: pcmk_cpg_membership:       Member[5.1] crmd.2 
>>> Sep 22 00:45:46 [4423] ga1-ext       crmd:     info: crm_update_peer_proc:      pcmk_cpg_membership: Node ga2-ext[2] - corosync-cpg is now online
>>> Sep 22 00:45:46 [4423] ga1-ext       crmd:     info: peer_update_callback:      Client ga2-ext/peer now has status [online] (DC=true)
>>> Sep 22 00:45:46 [4418] ga1-ext        cib:     info: pcmk_cpg_membership:       Joined[5.0] cib.2 
>>> Sep 22 00:45:46 [4418] ga1-ext        cib:     info: pcmk_cpg_membership:       Member[5.0] cib.1 
>>> Sep 22 00:45:46 [4418] ga1-ext        cib:     info: pcmk_cpg_membership:       Member[5.1] cib.2 
>>> Sep 22 00:45:46 [4418] ga1-ext        cib:     info: crm_update_peer_proc:      pcmk_cpg_membership: Node ga2-ext[2] - corosync-cpg is now online
>>> Sep 22 00:45:46 [4423] ga1-ext       crmd:   notice: do_state_transition:       State transition S_IDLE -> S_INTEGRATION [ input=I_NODE_JOIN cause=C_FSA_INTERNAL origin=peer_update_callback ]
>>> Sep 22 00:45:46 [4423] ga1-ext       crmd:     info: do_dc_join_offer_one:      An unknown node joined - (re-)offer to any unconfirmed nodes
>>> Sep 22 00:45:46 [4423] ga1-ext       crmd:     info: join_make_offer:   Making join offers based on membership 904
>>> Sep 22 00:45:46 [4423] ga1-ext       crmd:     info: join_make_offer:   join-2: Sending offer to ga2-ext
>>> Sep 22 00:45:46 [4423] ga1-ext       crmd:     info: crm_update_peer_join:      join_make_offer: Node ga2-ext[2] - join-2 phase 0 -> 1
>>> Sep 22 00:45:46 [4423] ga1-ext       crmd:     info: join_make_offer:   Skipping ga1-ext: already known 4
>>> Sep 22 00:45:46 [4423] ga1-ext       crmd:     info: abort_transition_graph:    do_te_invoke:158 - Triggered transition abort (complete=1) : Peer Halt
>>> Sep 22 00:45:46 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_modify operation for section status: OK (rc=0, origin=local/crmd/718, version=0.143.17)
>>> Sep 22 00:45:46 [4419] ga1-ext stonith-ng:     info: crm_cs_flush:      Sent 0 CPG messages  (1 remaining, last=5): Try again (6)
>>> Sep 22 00:45:46 corosync [MAIN  ] Completed service synchronization, ready to provide service.
>>> Sep 22 00:45:46 [4412] ga1-ext pacemakerd:     info: crm_cs_flush:      Sent 0 CPG messages  (1 remaining, last=9): Try again (6)
>>> Sep 22 00:45:46 [4418] ga1-ext        cib:     info: crm_cs_flush:      Sent 4 CPG messages  (0 remaining, last=68): OK (1)
>>> Sep 22 00:45:46 [4423] ga1-ext       crmd:     info: crm_cs_flush:      Sent 3 CPG messages  (0 remaining, last=40): OK (1)
>>> Sep 22 00:45:48 [4418] ga1-ext        cib:     info: cib_process_request:       Completed cib_sync_one operation for section 'all': OK (rc=0, origin=ga2-ext/ga2-ext/(null), version=0.143.17)
>>> Sep 22 00:45:48 [4412] ga1-ext pacemakerd:    error: pcmk_cpg_dispatch:         Connection to the CPG API failed: Library error (2)
>>> Sep 22 00:45:48 [4419] ga1-ext stonith-ng:    error: pcmk_cpg_dispatch:         Connection to the CPG API failed: Library error (2)
>>> Sep 22 00:45:48 [4421] ga1-ext      attrd:    error: pcmk_cpg_dispatch:         Connection to the CPG API failed: Library error (2)
>>> Sep 22 00:45:48 [4418] ga1-ext        cib:    error: pcmk_cpg_dispatch:         Connection to the CPG API failed: Library error (2)
>>> Sep 22 00:45:48 [4418] ga1-ext        cib:    error: cib_cs_destroy:    Corosync connection lost!  Exiting.
>>> Sep 22 00:45:48 [4418] ga1-ext        cib:     info: terminate_cib:     cib_cs_destroy: Exiting fast...
>>> Sep 22 00:45:48 [4423] ga1-ext       crmd:    error: pcmk_cpg_dispatch:         Connection to the CPG API failed: Library error (2)
>>> Sep 22 00:45:48 [4418] ga1-ext        cib:     info: qb_ipcs_us_withdraw:       withdrawing server sockets
>>> Sep 22 00:45:48 [4418] ga1-ext        cib:     info: crm_client_destroy:        Destroying 0 events
>>> Sep 22 00:45:48 [4418] ga1-ext        cib:     info: crm_client_destroy:        Destroying 0 events
>>> Sep 22 00:45:48 [4418] ga1-ext        cib:     info: qb_ipcs_us_withdraw:       withdrawing server sockets
>>> Sep 22 00:45:48 [4418] ga1-ext        cib:     info: crm_client_destroy:        Destroying 0 events
>>> Sep 22 00:45:48 [4418] ga1-ext        cib:     info: qb_ipcs_us_withdraw:       withdrawing server sockets
>>> Sep 22 00:45:48 [4423] ga1-ext       crmd:    error: crmd_cs_destroy:   connection terminated
>>> Sep 22 00:45:48 [4412] ga1-ext pacemakerd:    error: mcp_cpg_destroy:   Connection destroyed
>>> Sep 22 00:45:48 [4418] ga1-ext        cib:     info: crm_xml_cleanup:   Cleaning up memory from libxml2
>>> Sep 22 00:45:48 [4419] ga1-ext stonith-ng:    error: stonith_peer_cs_destroy:   Corosync connection terminated
>>> Sep 22 00:45:48 [4419] ga1-ext stonith-ng:     info: stonith_shutdown:  Terminating with  1 clients
>>> Sep 22 00:45:48 [4419] ga1-ext stonith-ng:     info: cib_connection_destroy:    Connection to the CIB closed.
>>> Sep 22 00:45:48 [4419] ga1-ext stonith-ng:     info: crm_client_destroy:        Destroying 0 events
>>> Sep 22 00:45:48 [4419] ga1-ext stonith-ng:     info: qb_ipcs_us_withdraw:       withdrawing server sockets
>>> Sep 22 00:45:48 [4419] ga1-ext stonith-ng:     info: main:      Done
>>> Sep 22 00:45:48 [4419] ga1-ext stonith-ng:     info: crm_xml_cleanup:   Cleaning up memory from libxml2
>>> Sep 22 00:45:48 [4412] ga1-ext pacemakerd:     info: crm_xml_cleanup:   Cleaning up memory from libxml2
>>> Sep 22 00:45:48 [4421] ga1-ext      attrd:     crit: attrd_cs_destroy:  Lost connection to Corosync service!
>>> Sep 22 00:45:48 [4421] ga1-ext      attrd:   notice: main:      Exiting...
>>> Sep 22 00:45:48 [4421] ga1-ext      attrd:   notice: main:      Disconnecting client 0x1987990, pid=4423...
>>> Sep 22 00:45:48 [4421] ga1-ext      attrd:    error: attrd_cib_connection_destroy:      Connection to the CIB terminated...
>>> Sep 22 00:45:48 [4423] ga1-ext       crmd:     info: qb_ipcs_us_withdraw:       withdrawing server sockets
>>> Sep 22 00:45:48 [4423] ga1-ext       crmd:     info: tengine_stonith_connection_destroy:        Fencing daemon disconnected
>>> Sep 22 00:45:48 [4423] ga1-ext       crmd:   notice: crmd_exit:         Forcing immediate exit: Link has been severed (67)
>>> Sep 22 00:45:48 [4423] ga1-ext       crmd:     info: crm_xml_cleanup:   Cleaning up memory from libxml2
>>> Sep 22 00:45:48 [4420] ga1-ext       lrmd:     info: cancel_recurring_action:   Cancelling operation ClusterIP_monitor_30000
>>> Sep 22 00:45:48 [4420] ga1-ext       lrmd:  warning: qb_ipcs_event_sendv:       new_event_notification (4420-4423-6): Bad file descriptor (9)
>>> Sep 22 00:45:48 [4420] ga1-ext       lrmd:  warning: send_client_notify:        Notification of client crmd/84c7e6b7-398c-40da-bec9-48b5e36dce2b failed
>>> Sep 22 00:45:48 [4420] ga1-ext       lrmd:     info: crm_client_destroy:        Destroying 1 events
>>> Sep 22 00:45:48 [4422] ga1-ext    pengine:     info: crm_client_destroy:        Destroying 0 events
>>> 
>>> 
>>> no logs on ga2-ext, seems strange
>>> no corosync configuration on cluster nodes
>>> 
>>> [root at ga2-ext ~]# find /etc/corosync/
>>> /etc/corosync/
>>> /etc/corosync/uidgid.d
>>> /etc/corosync/amf.conf.example
>>> /etc/corosync/corosync.conf.old
>>> /etc/corosync/corosync.conf.example
>>> /etc/corosync/corosync.conf.example.udpu
>>> /etc/corosync/service.d
>>> 
>>> [root at ga1-ext ~]# find /etc/corosync/
>>> /etc/corosync/
>>> /etc/corosync/corosync.conf.example
>>> /etc/corosync/service.d
>>> /etc/corosync/corosync.conf.example.udpu
>>> /etc/corosync/uidgid.d
>>> /etc/corosync/corosync.conf.old
>>> /etc/corosync/amf.conf.example
>>> 
>>> same packages on both nodes 
>>> 
>>> corosync-1.4.1-15.el6_4.1.x86_64
>>> corosynclib-1.4.1-15.el6_4.1.x86_64
>>> drbd-bash-completion-8.3.15-1.el6.x86_64
>>> drbdlinks-1.23-1.el6.noarch
>>> drbd-pacemaker-8.3.15-1.el6.x86_64
>>> drbd-udev-8.3.15-1.el6.x86_64
>>> drbd-utils-8.3.15-1.el6.x86_64
>>> pacemaker-1.1.10-1.el6.x86_64
>>> pacemaker-cli-1.1.10-1.el6.x86_64
>>> pacemaker-cluster-libs-1.1.10-1.el6.x86_64
>>> pacemaker-debuginfo-1.1.10-1.el6.x86_64
>>> pacemaker-libs-1.1.10-1.el6.x86_64
>>> 
>>> 
>>> On Sun, 22 Sep 2013 07:14:27 +0000, Alessandro Bono wrote:
>>> 
>>>> Hi
>>>> 
>>>> I have a problem with a cluster where pacemaker dies without logs or something
>>>> Problem started when I switched to centos 6.4 and converted cluster from corosync to cman
>>>> this happen typically when system is under high load 
>>>> tonight I received notification of drbd split brian and found on primary machine only these programs running
>>>> 
>>>> 4420 ?        Ss     1:29 /usr/libexec/pacemaker/lrmd
>>>> 4422 ?        Ss     0:42 /usr/libexec/pacemaker/pengine
>>>> 
>>>> on secondary machine pacemaker is ok
>>>> on logs only drbd disconnect and split brain notification
>>>> I tried pacemaker 1.1.8 from centos and 1.1.9 and 1.1.10 from clusterlabs with same result
>>>> 
>>>> howto debug this problem? 
>>>> /etc/sysconfig/pacemaker has lots configuration but not sure which one to use
>>>> 
>>>> 
>>>> pacemaker configuration is:
>>>> 
>>>> node ga1-ext \
>>>>        attributes standby="off"
>>>> node ga2-ext \
>>>>        attributes standby="off"
>>>> primitive ClusterIP ocf:heartbeat:IPaddr \
>>>>        params ip="10.12.23.3" cidr_netmask="24" \
>>>>        op monitor interval="30s"
>>>> primitive SharedFS ocf:heartbeat:Filesystem \
>>>>        params device="/dev/drbd/by-res/r0" directory="/shared" fstype="ext4" options="noatime,nobarrier"
>>>> primitive dovecot lsb:dovecot
>>>> primitive drbd0 ocf:linbit:drbd \
>>>>        params drbd_resource="r0" \
>>>>        op monitor interval="15s"
>>>> primitive drbdlinks ocf:tummy:drbdlinks
>>>> primitive mail ocf:heartbeat:MailTo \
>>>>        params email="root at company.com" subject="ga-ext cluster - "
>>>> primitive mysql lsb:mysqld
>>>> group service_group SharedFS drbdlinks ClusterIP mail mysql dovecot \
>>>>        meta target-role="Started"
>>>> ms ms_drbd0 drbd0 \
>>>>        meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true"
>>>> colocation service_on_drbd inf: service_group ms_drbd0:Master
>>>> order service_after_drbd inf: ms_drbd0:promote service_group:start
>>>> property $id="cib-bootstrap-options" \
>>>>        dc-version="1.1.10-1.el6-368c726" \
>>>>        cluster-infrastructure="cman" \
>>>>        expected-quorum-votes="2" \
>>>>        stonith-enabled="false" \
>>>>        no-quorum-policy="ignore" \
>>>>        last-lrm-refresh="1379831462" \
>>>>        maintenance-mode="false"
>>>> rsc_defaults $id="rsc-options" \
>>>>        resource-stickiness="100"
>>>> 
>>>> 
>>>> cman configuration
>>>> 
>>>> cat /etc/cluster/cluster.conf 
>>>> 
>>>> <cluster config_version="6" name="ga-ext_cluster">
>>>>  <logging debug="off"/>
>>>>  <clusternodes>
>>>>    <clusternode name="ga1-ext" nodeid="1">
>>>>      <fence>
>>>>        <method name="pcmk-redirect">
>>>>          <device name="pcmk" port="ga1-ext"/>
>>>>        </method>
>>>>      </fence>
>>>>    </clusternode>
>>>>    <clusternode name="ga2-ext" nodeid="2">
>>>>      <fence>
>>>>        <method name="pcmk-redirect">
>>>>          <device name="pcmk" port="ga2-ext"/>
>>>>        </method>
>>>>      </fence>
>>>>    </clusternode>
>>>>  </clusternodes>
>>>>  <fencedevices>
>>>>    <fencedevice agent="fence_pcmk" name="pcmk"/>
>>>>  </fencedevices>
>>>> </cluster>
>>>> 
>>>> tell me you need other information
>>>> 
>>>> thank you
>>>> 
>>>> 
>>>> _______________________________________________
>>>> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>>>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>>>> 
>>>> Project Home: http://www.clusterlabs.org
>>>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>>>> Bugs: http://bugs.clusterlabs.org
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>>> 
>>> Project Home: http://www.clusterlabs.org
>>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>>> Bugs: http://bugs.clusterlabs.org
>> 
>> 
>> 
>> _______________________________________________
>> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>> 
>> Project Home: http://www.clusterlabs.org
>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>> Bugs: http://bugs.clusterlabs.org
> 
> _______________________________________________
> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> 
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://bugs.clusterlabs.org






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