[Pacemaker] The problem with which queue between cib and stonith-ng overflows

Yusuke Iida yusk.iida at gmail.com
Mon Jun 2 21:26:42 EDT 2014


Hi, Andrew

About 15 seconds are the time taken in the whole device construction.
I think that it cannot receive the message from cib during device
construction since stonith-ng does not return to mainloop.

Jun  2 11:34:02 vm04 stonith-ng[4891]:     info: init_cib_cache_cb:
Updating device list from the cib: init
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info: stonith_level_remove:
Node vm01 not found (0 active entries)
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info:
stonith_level_register: Node vm01 has 1 active fencing levels
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info:
stonith_level_register: Node vm01 has 2 active fencing levels
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info: stonith_level_remove:
Node vm02 not found (1 active entries)
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info:
stonith_level_register: Node vm02 has 1 active fencing levels
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info:
stonith_level_register: Node vm02 has 2 active fencing levels
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info: stonith_level_remove:
Node vm03 not found (2 active entries)
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info:
stonith_level_register: Node vm03 has 1 active fencing levels
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info:
stonith_level_register: Node vm03 has 2 active fencing levels
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info: stonith_level_remove:
Node vm04 not found (3 active entries)
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info:
stonith_level_register: Node vm04 has 1 active fencing levels
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info:
stonith_level_register: Node vm04 has 2 active fencing levels
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info: stonith_level_remove:
Node vm05 not found (4 active entries)
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info:
stonith_level_register: Node vm05 has 1 active fencing levels
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info:
stonith_level_register: Node vm05 has 2 active fencing levels
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info: stonith_level_remove:
Node vm06 not found (5 active entries)
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info:
stonith_level_register: Node vm06 has 1 active fencing levels
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info:
stonith_level_register: Node vm06 has 2 active fencing levels
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info: stonith_level_remove:
Node vm07 not found (6 active entries)
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info:
stonith_level_register: Node vm07 has 1 active fencing levels
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info:
stonith_level_register: Node vm07 has 2 active fencing levels
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info: stonith_level_remove:
Node vm08 not found (7 active entries)
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info:
stonith_level_register: Node vm08 has 1 active fencing levels
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info:
stonith_level_register: Node vm08 has 2 active fencing levels
Jun  2 11:34:02 vm04 stonith-ng[4891]:     info: cib_devices_update:
Updating devices to version 0.4.937
Jun  2 11:34:02 vm04 stonith-ng[4891]:   notice: unpack_config: On
loss of CCM Quorum: Ignore
Jun  2 11:34:02 vm04 stonith-ng[4891]:  warning:
handle_startup_fencing: Blind faith: not fencing unseen nodes
Jun  2 11:34:02 vm04 stonith-ng[4891]:  warning:
handle_startup_fencing: Blind faith: not fencing unseen nodes
Jun  2 11:34:02 vm04 stonith-ng[4891]:  warning:
handle_startup_fencing: Blind faith: not fencing unseen nodes
Jun  2 11:34:02 vm04 stonith-ng[4891]:  warning:
handle_startup_fencing: Blind faith: not fencing unseen nodes
Jun  2 11:34:02 vm04 stonith-ng[4891]:  warning:
handle_startup_fencing: Blind faith: not fencing unseen nodes
Jun  2 11:34:02 vm04 stonith-ng[4891]:  warning:
handle_startup_fencing: Blind faith: not fencing unseen nodes
Jun  2 11:34:02 vm04 stonith-ng[4891]:  warning:
handle_startup_fencing: Blind faith: not fencing unseen nodes
Jun  2 11:34:02 vm04 stonith-ng[4891]:  warning:
handle_startup_fencing: Blind faith: not fencing unseen nodes
Jun  2 11:34:03 vm04 stonith-ng[4891]:   notice:
stonith_device_register: Added 'prmStonith_helper01' to the device
list (1 active devices)
Jun  2 11:34:04 vm04 stonith-ng[4891]:   notice:
stonith_device_register: Added 'prmStonith_libvirt01' to the device
list (2 active devices)
Jun  2 11:34:05 vm04 stonith-ng[4891]:   notice:
stonith_device_register: Added 'prmStonith_helper02' to the device
list (3 active devices)
Jun  2 11:34:06 vm04 stonith-ng[4891]:   notice:
stonith_device_register: Added 'prmStonith_libvirt02' to the device
list (4 active devices)
Jun  2 11:34:07 vm04 stonith-ng[4891]:   notice:
stonith_device_register: Added 'prmStonith_helper03' to the device
list (5 active devices)
Jun  2 11:34:08 vm04 stonith-ng[4891]:   notice:
stonith_device_register: Added 'prmStonith_libvirt03' to the device
list (6 active devices)
Jun  2 11:34:08 vm04 stonith-ng[4891]:     info: cib_device_update:
Device prmStonith_helper04 has been disabled on vm04: score=-INFINITY
Jun  2 11:34:08 vm04 stonith-ng[4891]:     info: cib_device_update:
Device prmStonith_libvirt04 has been disabled on vm04: score=-INFINITY
Jun  2 11:34:09 vm04 stonith-ng[4891]:   notice:
stonith_device_register: Added 'prmStonith_helper05' to the device
list (7 active devices)
Jun  2 11:34:10 vm04 stonith-ng[4891]:   notice:
stonith_device_register: Added 'prmStonith_libvirt05' to the device
list (8 active devices)
Jun  2 11:34:11 vm04 stonith-ng[4891]:   notice:
stonith_device_register: Added 'prmStonith_helper06' to the device
list (9 active devices)
Jun  2 11:34:12 vm04 stonith-ng[4891]:   notice:
stonith_device_register: Added 'prmStonith_libvirt06' to the device
list (10 active devices)
Jun  2 11:34:13 vm04 stonith-ng[4891]:   notice:
stonith_device_register: Added 'prmStonith_helper07' to the device
list (11 active devices)
Jun  2 11:34:14 vm04 stonith-ng[4891]:   notice:
stonith_device_register: Added 'prmStonith_libvirt07' to the device
list (12 active devices)
Jun  2 11:34:15 vm04 stonith-ng[4891]:   notice:
stonith_device_register: Added 'prmStonith_helper08' to the device
list (13 active devices)
Jun  2 11:34:16 vm04 stonith-ng[4891]:   notice:
stonith_device_register: Added 'prmStonith_libvirt08' to the device
list (14 active devices)

Regards,
Yusuke

2014-06-02 20:31 GMT+09:00 Andrew Beekhof <andrew at beekhof.net>:
>
> On 2 Jun 2014, at 3:05 pm, Yusuke Iida <yusk.iida at gmail.com> wrote:
>
>> Hi, Andrew
>>
>> I use the newest of 1.1 brunches and am testing by eight sets of nodes.
>>
>> Although the problem was settled once,
>> Now, the problem with which queue overflows between cib and stonithd
>> has recurred.
>>
>> As an example, I paste the log of the DC node.
>> The problem is occurring on all nodes.
>>
>> Jun  2 11:34:02 vm04 cib[3940]:    error: crm_ipcs_flush_events:
>> Evicting slow client 0x250afe0[3941]: event queue reached 638 entries
>> Jun  2 11:34:02 vm04 stonith-ng[3941]:    error: crm_ipc_read:
>> Connection to cib_rw failed
>> Jun  2 11:34:02 vm04 stonith-ng[3941]:    error:
>> mainloop_gio_callback: Connection to cib_rw[0x662510] closed (I/O
>> condition=17)
>> Jun  2 11:34:02 vm04 stonith-ng[3941]:   notice:
>> cib_connection_destroy: Connection to the CIB terminated. Shutting
>> down.
>> Jun  2 11:34:02 vm04 stonith-ng[3941]:     info: stonith_shutdown:
>> Terminating with  2 clients
>> Jun  2 11:34:02 vm04 stonith-ng[3941]:     info: qb_ipcs_us_withdraw:
>> withdrawing server sockets
>>
>> After loading a resource setup, time for stonithd to build device
>> information is long.
>> It has taken the time for about about 15 seconds.
>
> 15 seconds!! Yikes. I'll investigate tomorrow.
>
>> It seems that the diff message of cib accumulates between them.
>>
>> Are there any plans to improve on this issue?
>>
>> I attach a report when a problem occurs.
>> https://drive.google.com/file/d/0BwMFJItoO-fVUEFEN1NlelNWRjg/edit?usp=sharing
>>
>> Regards,
>> Yusuke
>> --
>> ----------------------------------------
>> METRO SYSTEMS CO., LTD
>>
>> Yusuke Iida
>> Mail: yusk.iida at gmail.com
>> ----------------------------------------
>>
>> _______________________________________________
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>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>>
>> Project Home: http://www.clusterlabs.org
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>> Bugs: http://bugs.clusterlabs.org
>
>
> _______________________________________________
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> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>
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> Bugs: http://bugs.clusterlabs.org
>



-- 
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Yusuke Iida
Mail: yusk.iida at gmail.com
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