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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