amfd does not know shutdown is in progress.
After a suggestion by Mathi I propose "duplicate ACTIVE detected, exiting"
instead of the "Controller split brain
detected, exiting"
/Hans
On 09/13/2013 12:52 PM, Suryanarayana Garlapati wrote:
> In the case where opensaf is shutting down and took more time to shutdown
> Something like:
>
> + LOG_CR("While OpenSAF Shutting down, exiting");
>
> and other case where there is tipc link flap:
>
> + LOG_CR("Controller split brain detected, exiting");
>
>
> On Thursday 05 September 2013 03:09 PM, Hans Feldt wrote:
>> Any suggestion?
>> /Hans
>>
>>> -----Original Message-----
>>> From: Suryanarayana Garlapati [mailto:[email protected]]
>>> Sent: den 5 september 2013 11:06
>>> To: praveen malviya
>>> Cc: Hans Feldt; [email protected]
>>> Subject: Re: [devel] [PATCH 1 of 1] amfd: exit at MDS quiesced event in
>>> wrong state [#516]
>>>
>>> Change the following log accordingly:
>>>
>>> + LOG_CR("Controller split brain detected, exiting");
>>>
>>> This is always not true. The above is true in Tipc link flap.
>>>
>>>
>>> On Thursday 05 September 2013 02:34 PM, praveen malviya wrote:
>>>> Ack,
>>>>
>>>> Thanks,
>>>> Praveen
>>>> On 16-Aug-13 7:03 PM, Hans Feldt wrote:
>>>>> osaf/services/saf/avsv/avd/avd_role.cc | 9 +++++++++
>>>>> 1 files changed, 9 insertions(+), 0 deletions(-)
>>>>>
>>>>>
>>>>> MDS can force an active vdest into quiesced state (see docs). Reasons for
>>>>> this
>>>>> happening is unclear. The logic avd_mds_qsd_role_evh() can only handle
>>>>> this
>>>>> event in context of a controller switch-over. Otherwise it could e.g.
>>>>> hang in
>>>>> using IMM which eventually times out and calls abort() generating a core
>>>>> dump.
>>>>>
>>>>> Instead exit the amfd process when this event happens in non controller
>>>>> switch-over state. amfnd will failfast reboot the node when it detects
>>>>> this.
>>>>>
>>>>> diff --git a/osaf/services/saf/avsv/avd/avd_role.cc
>>>>> b/osaf/services/saf/avsv/avd/avd_role.cc
>>>>> --- a/osaf/services/saf/avsv/avd/avd_role.cc
>>>>> +++ b/osaf/services/saf/avsv/avd/avd_role.cc
>>>>> @@ -569,6 +569,15 @@ void avd_mds_qsd_role_evh(AVD_CL_CB *cb,
>>>>>
>>>>> TRACE_ENTER();
>>>>>
>>>>> + /* Only accept this event in controller switch-over state, in other
>>>>> + * states it is invalid and indicates severe cluster problems.
>>>>> + */
>>>>> + if (cb->swap_switch == SA_FALSE) {
>>>>> + LOG_NO("%s: MDS unexpectedly changed role to QUIESCED",
>>>>> __FUNCTION__);
>>>>> + LOG_CR("Controller split brain detected, exiting");
>>>>> + _exit(EXIT_FAILURE); // should never get here...
>>>>> + }
>>>>> +
>>>>> /* Give up IMM OI implementer role */
>>>>> if ((rc = immutil_saImmOiImplementerClear(cb->immOiHandle)) !=
>>>>> SA_AIS_OK) {
>>>>> LOG_ER("FAILOVER Active --> Quiesced FAILED, ImplementerClear
>>>>> failed %u", rc);
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>
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