[Pacemaker] PEngine Recheck Timer message every 15 minutes - why?

[Andrew Beekhof]

2009/5/14 Ivars Strazdiņš <ivars.strazdins at gmail.com>:
> Hi there,
> could anyone enlighten me why in a two node cluster one (and only one) node
> is spitting these messages (below) regularly every 15 minutes?

Its to facilitate time-based rules and the expiration of resource failures.
You can disable it with:
   crm_attribute -n cluster-recheck-interval -v 0

the default value is 15 minutes

> I did erase all configuration with 'cibadmin -E' then recreated manually -
> yet they are still coming.
> Is is something to do with default cluster settings? But why then the
> messages appear on one node only?
> This cluster runs Pacemaker 1.0.3 on Debian Lenny/Xen, resources are two Xen
> DomU's + pingd clone.
> Many thanks, really, for any suggestion.
> Ivars
>
> ================
> crmd[3234]: 2009/05/14_17:25:08 info: crm_timer_popped: PEngine Recheck
> Timer (I_PE_CALC) just popped!
> crmd[3234]: 2009/05/14_17:25:08 info: do_state_transition: State transition
> S_IDLE -> S_POLICY_ENGINE [ input=I_PE_CALC cause=C_TIMER_POPPED
> origin=crm_timer_popped ]
> crmd[3234]: 2009/05/14_17:25:08 WARN: do_state_transition: Progressed to
> state S_POLICY_ENGINE after C_TIMER_POPPED
> crmd[3234]: 2009/05/14_17:25:08 info: do_state_transition: All 2 cluster
> nodes are eligible to run resources.
> crmd[3234]: 2009/05/14_17:25:08 info: do_pe_invoke: Query 252: Requesting
> the current CIB: S_POLICY_ENGINE
> pengine[18798]: 2009/05/14_17:25:08 info: determine_online_status: Node
> ariel is online
> pengine[18798]: 2009/05/14_17:25:08 info: determine_online_status: Node ajax
> is online
> pengine[18798]: 2009/05/14_17:25:08 notice: native_print: proxy
> (ocf::heartbeat:Xen):   Started ajax
> pengine[18798]: 2009/05/14_17:25:08 notice: native_print: mail
>  (ocf::heartbeat:Xen):   Started ariel
> pengine[18798]: 2009/05/14_17:25:08 notice: clone_print: Clone Set:
> pingdclone
> pengine[18798]: 2009/05/14_17:25:08 notice: print_list:         Started: [
> ajax ariel ]
> pengine[18798]: 2009/05/14_17:25:08 notice: LogActions: Leave resource proxy
>    (Started ajax)
> crmd[3234]: 2009/05/14_17:25:08 info: do_pe_invoke_callback: Invoking the
> PE: ref=pe_calc-dc-1242311108-224, seq=6, quorate=1
> pengine[18798]: 2009/05/14_17:25:08 notice: LogActions: Leave resource mail
>     (Started ariel)
> pengine[18798]: 2009/05/14_17:25:08 notice: LogActions: Leave resource
> pingd:0  (Started ajax)
> pengine[18798]: 2009/05/14_17:25:08 notice: LogActions: Leave resource
> pingd:1  (Started ariel)
> crmd[3234]: 2009/05/14_17:25:08 info: do_state_transition: State transition
> S_POLICY_ENGINE -> S_TRANSITION_ENGINE [ input=I_PE_SUCCESS
> cause=C_IPC_MESSAGE origin=handle_response ]
> crmd[3234]: 2009/05/14_17:25:08 info: unpack_graph: Unpacked transition 193:
> 0 actions in 0 synapses
> crmd[3234]: 2009/05/14_17:25:08 info: do_te_invoke: Processing graph 193
> (ref=pe_calc-dc-1242311108-224) derived from
> /var/lib/pengine/pe-input-1469.bz2
> crmd[3234]: 2009/05/14_17:25:08 info: run_graph:
> ====================================================
> crmd[3234]: 2009/05/14_17:25:08 notice: run_graph: Transition 193
> (Complete=0, Pending=0, Fired=0, Skipped=0, Incomplete=0,
> Source=/var/lib/pengine/pe-input-1469.bz2): Complete
> crmd[3234]: 2009/05/14_17:25:08 info: te_graph_trigger: Transition 193 is
> now complete
> crmd[3234]: 2009/05/14_17:25:08 info: notify_crmd: Transition 193 status:
> done - <null>
> crmd[3234]: 2009/05/14_17:25:08 info: do_state_transition: State transition
> S_TRANSITION_ENGINE -> S_IDLE [ input=I_TE_SUCCESS cause=C_FSA_INTERNAL
> origin=notify_crmd ]
> crmd[3234]: 2009/05/14_17:25:08 info: do_state_transition: Starting PEngine
> Recheck Timer
> pengine[18798]: 2009/05/14_17:25:08 info: process_pe_message: Transition
> 193: PEngine Input stored in: /var/lib/pengine/pe-input-1469.bz2
> ================
>
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