[Pacemaker] hangs pending

Andrey Groshev greenx at yandex.ru
Wed Feb 19 08:53:39 UTC 2014



19.02.2014, 09:49, "Andrew Beekhof" <andrew at beekhof.net>:
> On 19 Feb 2014, at 4:18 pm, Andrey Groshev <greenx at yandex.ru> wrote:
>
>>  19.02.2014, 09:08, "Andrew Beekhof" <andrew at beekhof.net>:
>>>  On 19 Feb 2014, at 4:00 pm, Andrey Groshev <greenx at yandex.ru> wrote:
>>>>   19.02.2014, 06:48, "Andrew Beekhof" <andrew at beekhof.net>:
>>>>>   On 18 Feb 2014, at 11:05 pm, Andrey Groshev <greenx at yandex.ru> wrote:
>>>>>>    Hi, ALL and Andrew!
>>>>>>
>>>>>>    Today is a good day - I killed a lot, and a lot of shooting at me.
>>>>>>    In general - I am happy (almost like an elephant)   :)
>>>>>>    Except resources on the node are important to me eight processes: corosync,pacemakerd,cib,stonithd,lrmd,attrd,pengine,crmd.
>>>>>>    I killed them with different signals (4,6,11 and even 9).
>>>>>>    Behavior does not depend of number signal - it's good.
>>>>>>    If STONITH send reboot to the node - it rebooted and rejoined the cluster - too it's good.
>>>>>>    But the behavior is different from killing various demons.
>>>>>>
>>>>>>    Turned four groups:
>>>>>>    1. corosync,cib - STONITH work 100%.
>>>>>>    Kill via any signals - call STONITH and reboot.
>>>>>>
>>>>>>    2. lrmd,crmd - strange behavior STONITH.
>>>>>>    Sometimes called STONITH - and the corresponding reaction.
>>>>>>    Sometimes restart daemon and restart resources with large delay MS:pgsql.
>>>>>>    One time after restart crmd - pgsql don't restart.
>>>>>>
>>>>>>    3. stonithd,attrd,pengine - not need STONITH
>>>>>>    This daemons simple restart, resources - stay running.
>>>>>>
>>>>>>    4. pacemakerd - nothing happens.
>>>>>>    And then I can kill any process of the third group. They do not restart.
>>>>>>    Generaly don't touch corosync,cib and maybe lrmd,crmd.
>>>>>>
>>>>>>    What do you think about this?
>>>>>>    The main question of this topic - we decided.
>>>>>>    But this varied behavior - another big problem.
>>>>>>
>>>>>>    Forgоt logs http://send2me.ru/pcmk-Tue-18-Feb-2014.tar.bz2
>>>>>   Which of the various conditions above do the logs cover?
>>>>   All various in day.
>>>  Are you trying to torture me?
>>>  Can you give me a rough idea what happened when?
>>  No, there is 8 processes on the 4th signal and repeats the experiments with unknown outcome :)
>>  Easier to conduct new experiments and individual new logs .
>>  Which variant is more interesting?
>
> The long delay in restarting pgsql.
> Everything else seems correct.
>

He even don't tried start pgsql.
In Logs tree the tests.  
kill -s4 lrmd pid.
1. STONITH
2. STONITH
3. hangs
http://send2me.ru/pcmk-Wed-19-Feb-2014.tar.bz2

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