[Pacemaker] Operation attribute change leads to resource restart

David Vossel dvossel at redhat.com
Fri Nov 14 14:36:59 UTC 2014



----- Original Message -----
> Hi!
> 
> Just noticed that deletion of a trace_ra op attribute forces resource
> to be restarted (that RA does not support reload).
> 
> Logs show:
> Nov 13 09:06:05 [6633] node01        cib:     info: cib_process_request:
> Forwarding cib_apply_diff operation for section 'all' to master
> (origin=local/cibadmin/2)
> Nov 13 09:06:05 [6633] node01        cib:     info: cib_perform_op:     Diff:
> --- 0.641.96 2
> Nov 13 09:06:05 [6633] node01        cib:     info: cib_perform_op:     Diff:
> +++ 0.643.0 98ecbda94c7e87250cf2262bf89f43e8
> Nov 13 09:06:05 [6633] node01        cib:     info: cib_perform_op:     --
> /cib/configuration/resources/clone[@id='cl-test-instance']/primitive[@id='test-instance']/operations/op[@id='test-instance-start-0']/instance_attributes[@id='test-instance-start-0-instance_attributes']
> Nov 13 09:06:05 [6633] node01        cib:     info: cib_perform_op:     +
> /cib:  @epoch=643, @num_updates=0
> Nov 13 09:06:05 [6633] node01        cib:     info: cib_process_request:
> Completed cib_apply_diff operation for section 'all': OK (rc=0,
> origin=node01/cibadmin/2, version=0.643.0)
> Nov 13 09:06:05 [6638] node01       crmd:     info: abort_transition_graph:
> Transition aborted by deletion of
> instance_attributes[@id='test-instance-start-0-instance_attributes']:
> Non-status change (cib=0.643.0, source=te_update_diff:383,
> path=/cib/configuration/resources/clone[@id='cl-test-instance']/primitive[@id='test-instance']/operations/op[@id='test-instance-start-0']/instance_attributes[@id='test-instance-start-0-instance_attributes'],
> 1)
> Nov 13 09:06:05 [6638] node01       crmd:   notice: do_state_transition:
> State transition S_IDLE -> S_POLICY_ENGINE [ input=I_PE_CALC
> cause=C_FSA_INTERNAL origin=abort_transition_graph]
> Nov 13 09:06:05 [6634] node01 stonith-ng:     info: xml_apply_patchset:
> v2 digest mis-match: expected 98ecbda94c7e87250cf2262bf89f43e8,
> calculated 0b344571f3e1bb852e3d10ca23183688
> Nov 13 09:06:05 [6634] node01 stonith-ng:   notice: update_cib_cache_cb:
> [cib_diff_notify] Patch aborted: Application of an update diff failed
> (-206)
> ...
> Nov 13 09:06:05 [6637] node01    pengine:     info: check_action_definition:
> params:reload   <parameters boot_directory="/var/lib/libvirt/boot"
> config_uri="http://192.168.168.10:8080/cgi-bin/manage_config.cgi?action=%a&resource=%n&instance=%i"
> start_vm="1" vlan_id_start="2" per_vlan_ip_prefix_len="24"
> base_img="http://192.168.168.10:8080/pre45-mguard-virt.x86_64.default.qcow2"
> pool_name="default" outer_phy="eth0" ip_range_prefix="10.101.0.0/16"/>
> Nov 13 09:06:05 [6637] node01    pengine:     info: check_action_definition:
> Parameters to test-instance:0_start_0 on rnode001 changed: was
> 6f9eb6bd1f87a2b9b542c31cf1b9c57e vs. now 02256597297dbb42aadc55d8d94e8c7f
> (reload:3.0.9) 0:0;41:3:0:95e66b6a-a190-4e61-83a7-47165fb0105d
> ...
> Nov 13 09:06:05 [6637] node01    pengine:   notice: LogActions:     Restart
> test-instance:0 (Started rnode001)
> 
> That is not what I'd expect to see.

Any time an instance attribute is changed for a resource, the resource is restarted/reloaded.
This is expected.

-- Vossel

> Is it intended or just a minor bug(s)?
> 
> Best,
> Vladislav
> 
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