[Pacemaker] Operation attribute change leads to resource restart

Andrew Beekhof andrew at beekhof.net
Mon Nov 17 01:22:20 UTC 2014


> On 15 Nov 2014, at 8:46 am, Vladislav Bogdanov <bubble at hoster-ok.com> wrote:
> 
> 14.11.2014 17:36, David Vossel пишет:
>> 
>> 
>> ----- 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.
> 
> May be it makes sense to handle very special 'trace_ra' attribute in a
> special way?

Never heard of it.  Why should it be treated specially?





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