[Pacemaker] Master-slave master not promoted on Corosync restart
Andrew Beekhof
andrew at beekhof.net
Tue Oct 28 04:24:59 UTC 2014
> On 24 Oct 2014, at 9:00 pm, Sékine Coulibaly <scoulibaly at gmail.com> wrote:
>
> Hi Andrew,
>
> Yep, forgot the attachments. I did reproduce the issue, please find
> the bz2 files attached. Please tell if you need hb_report being used.
Yep, I need the log files to put these into context
>
> Thank you !
>
>
> 2014-10-07 5:07 GMT+02:00 Andrew Beekhof <andrew at beekhof.net>:
>> I think you forgot the attachments (and my eyes are going blind trying to read the word-wrapped logs :-)
>>
>> On 26 Sep 2014, at 6:37 pm, Sékine Coulibaly <scoulibaly at gmail.com> wrote:
>>
>>> Hi everyone,
>>>
>>> I'm trying my best to diagnose a strange behaviour of my cluster.
>>>
>>> My cluster is basically a Master-Slave PostgreSQL cluster, with a VIP.
>>> Two nodes (clustera and clusterb). I'm running RHEL 6.5, Corosync
>>> 1.4.1-1 and Pacemaker 1.1.10.
>>>
>>> For the simplicity sake of the diagnostic, I took of the slave node.
>>>
>>> My problem is that the cluster properly promotes the POSTGRESQL
>>> resource once (I issue a resource cleanup MS_POSTGRESQL to reset
>>> failcount counter, and then all resources are mounted on clustera).
>>> After a Corosync restart, the POSTGRESQL resource is not promoted.
>>>
>>> I narrowed down to the point where I add a location constraint
>>> (without this location constraint, after a Corosync restart,
>>> POSTGRESQL resource is promoted):
>>>
>>> location VIP_MGT_needs_gw VIP_MGT rule -inf: not_defined pingd or pingd lte 0
>>>
>>> The logs show that the pingd attribute value is 1000 (the ping IP is
>>> pingable, and pinged [used tcpdump]). This attribute is set by :
>>> primitive ping_eth1_mgt_gw ocf:pacemaker:ping params
>>> host_list=178.3.1.47 multiplier=1000 op monitor interval=10s meta
>>> migration-threshold=3
>>>
>>> From corosync.log I can see :
>>> Sep 26 09:49:36 [22188] clustera pengine: notice: LogActions:
>>> Start POSTGRESQL:0 (clustera)
>>> Sep 26 09:49:36 [22188] clustera pengine: info: LogActions:
>>> Leave POSTGRESQL:1 (Stopped)
>>> [...]
>>> Sep 26 09:49:36 [22186] clustera lrmd: info: log_execute:
>>> executing - rsc:POSTGRESQL action:start call_id:20
>>> [...]
>>> Sep 26 09:49:37 [22187] clustera attrd: notice:
>>> attrd_trigger_update: Sending flush op to all hosts for:
>>> master-POSTGRESQL (50)
>>> [...]
>>> Sep 26 09:49:37 [22189] clustera crmd: info:
>>> match_graph_event: Action POSTGRESQL_notify_0 (46) confirmed on
>>> clustera (rc=0)
>>> [...]
>>> Sep 26 09:49:38 [22186] clustera lrmd: info: log_finished:
>>> finished - rsc:ping_eth1_mgt_gw action:start call_id:22 pid:22352
>>> exit-code:0 exec-time:2175ms queue-time:0ms
>>> [...]
>>> Sep 26 09:49:38 [22188] clustera pengine: info: clone_print:
>>> Master/Slave Set: MS_POSTGRESQL [POSTGRESQL]
>>> Sep 26 09:49:38 [22188] clustera pengine: info: short_print:
>>> Slaves: [ clustera ]
>>> Sep 26 09:49:38 [22188] clustera pengine: info: short_print:
>>> Stopped: [ clusterb ]
>>> Sep 26 09:49:38 [22188] clustera pengine: info: native_print:
>>> VIP_MGT (ocf::heartbeat:IPaddr2): Stopped
>>> Sep 26 09:49:38 [22188] clustera pengine: info: clone_print:
>>> Clone Set: cloned_ping_eth1_mgt_gw [ping_eth1_mgt_gw]
>>> Sep 26 09:49:38 [22188] clustera pengine: info: short_print:
>>> Started: [ clustera ]
>>> Sep 26 09:49:38 [22188] clustera pengine: info: short_print:
>>> Stopped: [ clusterb ]
>>> Sep 26 09:49:38 [22188] clustera pengine: info:
>>> rsc_merge_weights: VIP_MGT: Rolling back scores from
>>> MS_POSTGRESQL
>>> Sep 26 09:49:38 [22188] clustera pengine: info: native_color:
>>> Resource VIP_MGT cannot run anywhere
>>> Sep 26 09:49:38 [22188] clustera pengine: info: native_color:
>>> POSTGRESQL:1: Rolling back scores from VIP_MGT
>>> Sep 26 09:49:38 [22188] clustera pengine: info: native_color:
>>> Resource POSTGRESQL:1 cannot run anywhere
>>> Sep 26 09:49:38 [22188] clustera pengine: info: master_color:
>>> MS_POSTGRESQL: Promoted 0 instances of a possible 1 to master
>>> Sep 26 09:49:38 [22188] clustera pengine: info: native_color:
>>> Resource ping_eth1_mgt_gw:1 cannot run anywhere
>>> Sep 26 09:49:38 [22188] clustera pengine: info: RecurringOp:
>>> Start recurring monitor (60s) for POSTGRESQL:0 on clustera
>>> Sep 26 09:49:38 [22188] clustera pengine: info: RecurringOp:
>>> Start recurring monitor (60s) for POSTGRESQL:0 on clustera
>>> Sep 26 09:49:38 [22188] clustera pengine: info: RecurringOp:
>>> Start recurring monitor (10s) for ping_eth1_mgt_gw:0 on clustera
>>> Sep 26 09:49:38 [22188] clustera pengine: info: LogActions:
>>> Leave POSTGRESQL:0 (Slave clustera)
>>> Sep 26 09:49:38 [22188] clustera pengine: info: LogActions:
>>> Leave POSTGRESQL:1 (Stopped)
>>> Sep 26 09:49:38 [22188] clustera pengine: info: LogActions:
>>> Leave VIP_MGT (Stopped)
>>> Sep 26 09:49:38 [22188] clustera pengine: info: LogActions:
>>> Leave ping_eth1_mgt_gw:0 (Started clustera)
>>> Sep 26 09:49:38 [22188] clustera pengine: info: LogActions:
>>> Leave ping_eth1_mgt_gw:1 (Stopped)
>>> [...]
>>>
>>> Then everything goes weird. The POSTGRESQL is monitored, seen as
>>> master (rc=8). Since it is expected (???) to be OCF_RUNNING, the
>>> monitor operation failed. That's wierd is n't it, or am I missing
>>> something ? :
>>>
>>> Sep 26 09:49:38 [22189] clustera 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 26 09:49:38 [22189] clustera crmd: info: do_te_invoke:
>>> Processing graph 1 (ref=pe_calc-dc-1411717778-16) derived from
>>> /var/lib/pacemaker/pengine/pe-input-1057.bz2
>>> Sep 26 09:49:38 [22189] clustera crmd: notice: te_rsc_command:
>>> Initiating action 6: monitor POSTGRESQL_monitor_60000 on clustera
>>> (local)
>>> Sep 26 09:49:38 [22189] clustera crmd: info: do_lrm_rsc_op:
>>> Performing key=6:1:0:613bb344-94ce-4210-879c-6d6e90f35871
>>> op=POSTGRESQL_monitor_60000
>>> Sep 26 09:49:38 [22189] clustera crmd: notice: te_rsc_command:
>>> Initiating action 33: monitor ping_eth1_mgt_gw_monitor_10000 on
>>> clustera (local)
>>> Sep 26 09:49:38 [22189] clustera crmd: info: do_lrm_rsc_op:
>>> Performing key=33:1:0:613bb344-94ce-4210-879c-6d6e90f35871
>>> op=ping_eth1_mgt_gw_monitor_10000
>>> Sep 26 09:49:38 [22184] clustera cib: info: crm_client_new:
>>> Connecting 0x1bbcc00 for uid=0 gid=0 pid=22767
>>> id=0ef393a5-6f7b-4893-9b06-0fab26d9a06d
>>> Sep 26 09:49:38 [22184] clustera cib: info:
>>> cib_process_request: Completed cib_query operation for section
>>> nodes: OK (rc=0, origin=local/crm_attribute/2, version=0.692.9)
>>> Sep 26 09:49:38 [22187] clustera attrd: notice:
>>> attrd_trigger_update: Sending flush op to all hosts for:
>>> master-POSTGRESQL (100)
>>> Sep 26 09:49:38 [22184] clustera cib: info:
>>> cib_process_request: Completed cib_query operation for section
>>> //cib/status//node_state[@id='clustera']//transient_attributes//nvpair[@name='master-POSTGRESQL']:
>>> OK (rc=0, origin=local/attrd/8, version=0.692.9)
>>> Sep 26 09:49:38 [22184] clustera cib: info:
>>> crm_client_destroy: Destroying 0 events
>>> Sep 26 09:49:38 [22187] clustera attrd: notice:
>>> attrd_perform_update: Sent update 9: master-POSTGRESQL=100
>>> Sep 26 09:49:38 [22184] clustera cib: info:
>>> cib_process_request: Completed cib_modify operation for section
>>> status: OK (rc=0, origin=local/attrd/9, version=0.692.10)
>>> Sep 26 09:49:38 [22189] clustera crmd: info:
>>> abort_transition_graph: te_update_diff:172 - Triggered transition
>>> abort (complete=0, node=clustera, tag=nvpair,
>>> id=status-clustera-master-POSTGRESQL, name=master-POSTGRESQL,
>>> value=100, magic=NA, cib=0.692.10) : Transient attribute: update
>>> Sep 26 09:49:38 [22189] clustera crmd: notice:
>>> process_lrm_event: LRM operation POSTGRESQL_monitor_60000
>>> (call=29, rc=8, cib-update=33, confirmed=false) master
>>> Sep 26 09:49:38 [22184] clustera cib: info:
>>> cib_process_request: Completed cib_modify operation for section
>>> status: OK (rc=0, origin=local/crmd/33, version=0.692.11)
>>> Sep 26 09:49:38 [22189] clustera crmd: warning: status_from_rc:
>>> Action 6 (POSTGRESQL_monitor_60000) on clustera failed (target: 0 vs.
>>> rc: 8): Error
>>> Sep 26 09:49:38 [22189] clustera crmd: warning:
>>> update_failcount: Updating failcount for POSTGRESQL on clustera
>>> after failed monitor: rc=8 (update=value++, time=1411717778)
>>> Sep 26 09:49:38 [22189] clustera crmd: info:
>>> abort_transition_graph: match_graph_event:313 - Triggered transition
>>> abort (complete=0, node=clustera, tag=lrm_rsc_op,
>>> id=POSTGRESQL_last_failure_0,
>>> magic=0:8;6:1:0:613bb344-94ce-4210-879c-6d6e90f35871, cib=0.692.11) :
>>> Event failed
>>> Sep 26 09:49:38 [22189] clustera crmd: info:
>>> match_graph_event: Action POSTGRESQL_monitor_60000 (6) confirmed
>>> on clustera (rc=4)
>>> Sep 26 09:49:38 [22189] clustera crmd: warning:
>>> update_failcount: Updating failcount for POSTGRESQL on clustera
>>> after failed monitor: rc=8 (update=value++, time=1411717778)
>>> Sep 26 09:49:38 [22189] clustera crmd: info:
>>> process_graph_event: Detected action (1.6)
>>> POSTGRESQL_monitor_60000.29=master: failed
>>> Sep 26 09:49:38 [22187] clustera attrd: notice:
>>> attrd_trigger_update: Sending flush op to all hosts for:
>>> fail-count-POSTGRESQL (1)
>>> Sep 26 09:49:38 [22184] clustera cib: info:
>>> cib_process_request: Completed cib_query operation for section
>>> //cib/status//node_state[@id='clustera']//transient_attributes//nvpair[@name='fail-count-POSTGRESQL']:
>>> No such device or address (rc=-6, origin=local/attrd/10,
>>> version=0.692.11)
>>> Sep 26 09:49:38 [22184] clustera cib: info:
>>> cib_process_request: Completed cib_query operation for section
>>> /cib: OK (rc=0, origin=local/attrd/11, version=0.692.11)
>>> Sep 26 09:49:38 [22187] clustera attrd: notice:
>>> attrd_perform_update: Sent update 12: fail-count-POSTGRESQL=1
>>>
>>> Attached are the bz2 files and the corosync.log.
>>>
>>> Any help is appreciated !
>>>
>>> Sekine
>>>
>>> _______________________________________________
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>>>
>>> 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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>>
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>> Bugs: http://bugs.clusterlabs.org
>>
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