[Pacemaker] Colocation constraint getting removed
Andrew Beekhof
andrew at beekhof.net
Mon Feb 23 18:02:25 EST 2015
> On 22 Jan 2015, at 4:39 pm, Arjun Pandey <apandepublic at gmail.com> wrote:
>
> Any pointers on this would be helpful.
Constraints don't get removed automatically unless someone asked for a resource that it references to be deleted.
Other possibilities include, someone asked to delete the constraint and someone uploaded an old config that didn't have it yet.
>
> Regards
> Arjun
>
> On Mon, Jan 12, 2015 at 7:24 PM, Arjun Pandey <apandepublic at gmail.com> wrote:
> I am running a 2 node cluster(active-standby mode) with this config
>
> CentOS-6.5
> pacemaker 1.1.10-14.el6_5.3
> pcs 0.9.90-2.el6.centos.3 - (none) noarch
> corosync 1.4.1-17.el6_5.1
>
> Current cluster status:
> Online: [ lakshman shatrughan ]
>
> Master/Slave Set: foo-master [foo]
> Masters: [ shatrughan ]
> Slaves: [ lakshman ]
> eth1-CP (ocf::pw:IPaddr): Started shatrughan
> eth2-UP (ocf::pw:IPaddr): Started shatrughan
> eth3-UPCP (ocf::pw:IPaddr): Started shatrughan
>
> where IPaddr RA is just modified IPAddr2 RA and foo is a multi-state resource. Additionally i have a
> collocation constraint for the IP addr to be collocated with the master.
> I have set the migration-threshold as 2 for the VIP. I also have set the failure-timeout to 15s.
> All virtual IP's have following properties
> Meta Attrs: failure-timeout=3s migration-threshold=2
> Operations: monitor interval=1s (RAN-monitor-interval-1s)
>
> However after some time i notice that the colocation constraint i had applied has got removed and the resource get's started where foo standby is located.
> From the logs
> Dec 17 16:15:32 [27112] lakshman pengine: notice: process_pe_message: Calculated Transition 3: /var/lib/pacemaker/pengine/pe-input-1297.bz2
> Dec 17 16:15:32 [27113] lakshman crmd: info: do_state_transition: State transition S_POLICY_ENGINE -> S_TRANSITION_ENGINE [ input=I_PE_SFOOCESS cause=C_IPC_MESSAGE origin=handle_response ]
> Dec 17 16:15:32 [27113] lakshman crmd: info: do_te_invoke: Processing graph 3 (ref=pe_calc-dc-1418813132-33) derived from /var/lib/pacemaker/pengine/pe-input-1297.bz2
> Dec 17 16:15:32 [27113] lakshman crmd: notice: te_rsc_command: Initiating action 12: monitor foo_monitor_10000 on lakshman (local)
> Dec 17 16:15:32 [27113] lakshman crmd: info: do_lrm_rsc_op: Performing key=12:3:8:62cbe40f-174d-458b-8e52-8581e57245a0 op=foo_monitor_10000
> Dec 17 16:15:32 [27113] lakshman crmd: notice: process_lrm_event: LRM operation foo_monitor_10000 (call=77, rc=8, cib-update=52, confirmed=false) master
> Dec 17 16:15:32 [27108] lakshman cib: info: cib_process_request: Completed cib_modify operation for section status: OK (rc=0, origin=local/crmd/52, version=0.652.73)
> Dec 17 16:15:32 [27113] lakshman crmd: info: match_graph_event: Action foo_monitor_10000 (12) confirmed on lakshman (rc=0)
> Dec 17 16:15:32 [27113] lakshman crmd: notice: run_graph: Transition 3 (Complete=1, Pending=0, Fired=0, Skipped=0, Incomplete=0, Source=/var/lib/pacemaker/pengine/pe-input-1297.bz2): Complete
> Dec 17 16:15:32 [27113] lakshman crmd: info: do_log: FSA: Input I_TE_SFOOCESS from notify_crmd() received in state S_TRANSITION_ENGINE
> Dec 17 16:15:32 [27113] lakshman crmd: notice: do_state_transition: State transition S_TRANSITION_ENGINE -> S_IDLE [ input=I_TE_SFOOCESS cause=C_FSA_INTERNAL origin=notify_crmd ]
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_new: Connecting 0x20bb1d0 for uid=0 gid=0 pid=28098 id=4d1ef70d-3f75-4308-9c1b-cc410a6e6940
> Dec 17 16:15:32 [27108] lakshman cib: info: cib_process_request: Completed cib_query operation for section 'all': OK (rc=0, origin=local/crm_resource/2, version=0.652.73)
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_destroy: Destroying 0 events
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_new: Connecting 0x20bb1d0 for uid=0 gid=0 pid=28102 id=14b4a917-4df1-46ed-82e3-0a023b92ed11
> Dec 17 16:15:32 [27108] lakshman cib: info: cib_process_request: Completed cib_query operation for section //master[@id="Mgmt_Float"]: No such device or address (rc=-6, origin=local/cibadmin/2, version=0.652.73)
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_destroy: Destroying 0 events
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_new: Connecting 0x20bb1d0 for uid=0 gid=0 pid=28103 id=4ab59dd4-7f13-4ae6-84cf-ae9c2de5e246
> Dec 17 16:15:32 [27108] lakshman cib: info: cib_process_request: Completed cib_query operation for section //group[@id="Mgmt_Float"]: No such device or address (rc=-6, origin=local/cibadmin/2, version=0.652.73)
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_destroy: Destroying 0 events
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_new: Connecting 0x20bb1d0 for uid=0 gid=0 pid=28104 id=7d24f5e0-2ae2-47be-a88e-1635e1268d3c
> Dec 17 16:15:32 [27108] lakshman cib: info: cib_process_request: Completed cib_query operation for section //clone[@id="Mgmt_Float"]: No such device or address (rc=-6, origin=local/cibadmin/2, version=0.652.73)
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_destroy: Destroying 0 events
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_new: Connecting 0x20bb1d0 for uid=0 gid=0 pid=28105 id=c583545c-e590-4f5a-a865-e063d21f35cd
> Dec 17 16:15:32 [27108] lakshman cib: info: cib_process_request: Completed cib_query operation for section //group/primitive[@id="Mgmt_Float"]/..: No such device or address (rc=-6, origin=local/cibadmin/2, version=0.652.73)
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_destroy: Destroying 0 events
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_new: Connecting 0x20bb1d0 for uid=0 gid=0 pid=28106 id=d7dc6094-4c48-4246-94b3-dc2b0a12866f
> Dec 17 16:15:32 [27108] lakshman cib: info: cib_process_request: Completed cib_query operation for section //master/primitive[@id="Mgmt_Float"]/..: No such device or address (rc=-6, origin=local/cibadmin/2, version=0.652.73)
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_destroy: Destroying 0 events
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_new: Connecting 0x20bb1d0 for uid=0 gid=0 pid=28107 id=757a2e15-a1d4-4f3b-b93a-0051b5a9be15
> Dec 17 16:15:32 [27108] lakshman cib: info: cib_process_request: Completed cib_query operation for section //clone/primitive[@id="Mgmt_Float"]/..: No such device or address (rc=-6, origin=local/cibadmin/2, version=0.652.73)
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_destroy: Destroying 0 events
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_new: Connecting 0x20bb1d0 for uid=0 gid=0 pid=28108 id=1c9bfb99-bd55-42dc-b1bd-df32d560af90
> Dec 17 16:15:32 [27108] lakshman cib: info: cib_process_request: Completed cib_query operation for section //resources/descendant::primitive[@id="Mgmt_Float"]: OK (rc=0, origin=local/cibadmin/2, version=0.652.73)
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_destroy: Destroying 0 events
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_new: Connecting 0x20bb1d0 for uid=0 gid=0 pid=28109 id=1b7ede71-66ec-43ad-9754-b204f367ccc3
> Dec 17 16:15:32 [27108] lakshman cib: info: cib_process_request: Completed cib_query operation for section 'all': OK (rc=0, origin=local/cibadmin/2, version=0.652.73)
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_destroy: Destroying 0 events
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_new: Connecting 0x20bb1d0 for uid=0 gid=0 pid=28110 id=ebd97f0f-81fc-4fd3-adae-30fb9784b563
> Dec 17 16:15:32 [27108] lakshman cib: info: cib_process_request: Completed cib_query operation for section //constraints: OK (rc=0, origin=local/cibadmin/2, version=0.652.73)
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_destroy: Destroying 0 events
> Dec 17 16:15:32 [27108] lakshman cib: info: crm_client_new: Connecting 0x20bb1d0 for uid=0 gid=0 pid=28111 id=e4891335-7a9b-4189-ba3d-03008b905664
> Dec 17 16:15:32 [27108] lakshman cib: info: cib_replace_notify: Replaced: 0.652.73 -> 0.653.1 from lakshman
> Dec 17 16:15:32 [27108] lakshman cib: notice: cib:diff: Diff: --- 0.652.73
> Dec 17 16:15:32 [27108] lakshman cib: notice: cib:diff: Diff: +++ 0.653.1 dfc649135fe2d861910a19c9f983cc4a
> Dec 17 16:15:32 [27108] lakshman cib: notice: cib:diff: -- <rsc_colocation id="colocation-Mgmt_Float-foo-master-INFINITY" rsc="Mgmt_Float" rsc-role="Started" score="INFINITY" with-rsc="foo-master" with-rsc-role="Master"/>
> PFA the cluster-log file
>
> I can't really make out why the constraint got removed in the first place.
> Thanks for help in advance.
>
> Regards
> Arjun
>
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