Hi Praveen,

Yes it's for #1454 and #1608

Thanks,
Minh

On 29/08/16 17:08, praveen malviya wrote:
> Hi Minh,
>
> Thanks for reviewing and testing.
> I guess the ack is for both #1454 and #1608.
> I will add a note.
>
>
> Thanks,
> Praveen
>
> On 29-Aug-16 12:21 PM, minh chau wrote:
>> Hi Praveen,
>>
>> Ack (normal test only), the abnormal failover is supposed to work in
>> REALIGN in NpM and Nway I think
>> Maybe you can add a note in README to revisit the consistency of using
>> SG FSM for nodegroup in all SGs?
>>
>> Thanks,
>> Minh
>>
>> On 24/08/16 19:02, praveen malviya wrote:
>>> Hi Minh,
>>>
>>> Please responses inline with [Praveen]
>>>
>>> Thanks,
>>> Praveen
>>>
>>> On 24-Aug-16 2:01 PM, minh chau wrote:
>>>> Hi Praveen,
>>>>
>>>> I have tested the patches in case all SUs of NpM/Nway belong to one
>>>> nodegroup, it works for me. Will try the case that SUs are partially
>>>> in/out of nodegroup tomorrow.
>>>> But please, if you have time, can you try to make NpM's ng_admin under
>>>> FSM_SG_ADMIN. Addition to my previous comment, and also as you 
>>>> knew, in
>>>> #1725 it's hard to deduce the states (sg fsm state is one of those)
>>>> because different SG is using FSM differently in some cases. This
>>>> inconsistency causes a difficult, instead of applying a generic 
>>>> solution
>>>> for all SG, then each SG has to be treated different way. I think we
>>>> could also see this kind of problem in future.
>>> [Praveen] In 5.1, #1725 is targeting only 2N model.In future when
>>> #1725 will support other red models (upcoming releases), I would do
>>> any changes that is required in other red models for NG operations.
>>>
>>>
>>>> Thanks,
>>>> Minh
>>>>
>>>> On 23/08/16 16:58, praveen malviya wrote:
>>>>> Hi Minh,
>>>>>
>>>>> I have attached patches for #1454 and #1608 in the ticket #1454.
>>>>> Please apply them in order.
>>>>>
>>>>> Thanks,
>>>>> Praveen
>>>>>
>>>>> On 23-Aug-16 11:56 AM, minh chau wrote:
>>>>>> Hi Praveen,
>>>>>>
>>>>>> Since AMF longDn has been pushed, can you please attach a longDn
>>>>>> rebased
>>>>>> version to ticket (both #1454 + #1608) so we can do some test?
>>>>>>
>>>>>> Thanks,
>>>>>> Minh
>>>>>>
>>>>>> On 23/08/16 15:56, praveen malviya wrote:
>>>>>>> Hi Minh,
>>>>>>>
>>>>>>> Thanks for reviewing the patch.
>>>>>>> Please see inline with [Praveen]
>>>>>>>
>>>>>>> Thanks,
>>>>>>> Praveen
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On 23-Aug-16 5:53 AM, minh chau wrote:
>>>>>>>> Hi Praveen,
>>>>>>>>
>>>>>>>> One comment in line with [Minh]
>>>>>>>>
>>>>>>>> Thanks
>>>>>>>> Minh
>>>>>>>>
>>>>>>>> On 20/07/16 18:57, praveen.malv...@oracle.com wrote:
>>>>>>>>> osaf/services/saf/amf/amfd/include/sg.h |   1 +
>>>>>>>>>   osaf/services/saf/amf/amfd/nodegroup.cc  |   4 +-
>>>>>>>>>   osaf/services/saf/amf/amfd/sg_npm_fsm.cc |  62
>>>>>>>>> ++++++++++++++++++++++++++++++-
>>>>>>>>>   3 files changed, 62 insertions(+), 5 deletions(-)
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Currently 2N, N-Way Active and NoRed models are supported for 
>>>>>>>>> lock,
>>>>>>>>> shutdown,
>>>>>>>>> lock-in and unlock-in admin operations on NGs.
>>>>>>>>>
>>>>>>>>> This patch supports NplusM model also.
>>>>>>>>>
>>>>>>>>> diff --git a/osaf/services/saf/amf/amfd/include/sg.h
>>>>>>>>> b/osaf/services/saf/amf/amfd/include/sg.h
>>>>>>>>> --- a/osaf/services/saf/amf/amfd/include/sg.h
>>>>>>>>> +++ b/osaf/services/saf/amf/amfd/include/sg.h
>>>>>>>>> @@ -507,6 +507,7 @@ public:
>>>>>>>>>       uint32_t susi_failed(AVD_CL_CB *cb, AVD_SU *su,
>>>>>>>>>           struct avd_su_si_rel_tag *susi, AVSV_SUSI_ACT act,
>>>>>>>>> SaAmfHAStateT state);
>>>>>>>>>           void node_fail_si_oper(AVD_CL_CB *cb, AVD_SU *su);
>>>>>>>>> +    void ng_admin(AVD_SU *su, AVD_AMF_NG *ng);
>>>>>>>>>             private:
>>>>>>>>>           uint32_t su_fault_su_oper(AVD_CL_CB *cb, AVD_SU *su);
>>>>>>>>> diff --git a/osaf/services/saf/amf/amfd/nodegroup.cc
>>>>>>>>> b/osaf/services/saf/amf/amfd/nodegroup.cc
>>>>>>>>> --- a/osaf/services/saf/amf/amfd/nodegroup.cc
>>>>>>>>> +++ b/osaf/services/saf/amf/amfd/nodegroup.cc
>>>>>>>>> @@ -687,6 +687,7 @@ void avd_ng_admin_state_set(AVD_AMF_NG*
>>>>>>>>> avd_send_admin_state_chg_ntf(&ng->name,
>>>>>>>>> (SaAmfNotificationMinorIdT)SA_AMF_NTFID_NG_ADMIN_STATE,
>>>>>>>>>               old_state, ng->saAmfNGAdminState);
>>>>>>>>> +    TRACE_LEAVE();
>>>>>>>>>   }
>>>>>>>>>   /**
>>>>>>>>>    * @brief  Verify if Node is stable for admin operation on
>>>>>>>>> Nodegroup
>>>>>>>>> etc.
>>>>>>>>> @@ -749,8 +750,7 @@ static SaAisErrorT check_red_model_servi
>>>>>>>>>               LOG_NO("service outage for '%s' because of
>>>>>>>>> shutdown/lock "
>>>>>>>>>                       "on '%s'",sg->name.value,ng->name.value);
>>>>>>>>>   -        if ((sg->sg_redundancy_model ==
>>>>>>>>> SA_AMF_N_WAY_REDUNDANCY_MODEL) ||
>>>>>>>>> -                (sg->sg_redundancy_model ==
>>>>>>>>> SA_AMF_NPM_REDUNDANCY_MODEL)) {
>>>>>>>>> +        if (sg->sg_redundancy_model ==
>>>>>>>>> SA_AMF_N_WAY_REDUNDANCY_MODEL) {
>>>>>>>>>               LOG_NO("Admin op on '%s'  hosting SUs of '%s' with
>>>>>>>>> redundancy '%u' "
>>>>>>>>>                       "is not supported",ng->name.value,
>>>>>>>>> sg->name.value,
>>>>>>>>>                       sg->sg_redundancy_model);
>>>>>>>>> diff --git a/osaf/services/saf/amf/amfd/sg_npm_fsm.cc
>>>>>>>>> b/osaf/services/saf/amf/amfd/sg_npm_fsm.cc
>>>>>>>>> --- a/osaf/services/saf/amf/amfd/sg_npm_fsm.cc
>>>>>>>>> +++ b/osaf/services/saf/amf/amfd/sg_npm_fsm.cc
>>>>>>>>> @@ -120,16 +120,16 @@ static AVD_SU_SI_REL *avd_sg_npm_su_othr
>>>>>>>>>           if (i_susi->si->list_of_sisu != i_susi) {
>>>>>>>>>               o_susi = i_susi->si->list_of_sisu;
>>>>>>>>>               if (o_susi->fsm != AVD_SU_SI_STATE_UNASGN)
>>>>>>>>> -                return o_susi;
>>>>>>>>> +                break;
>>>>>>>>>           } else if (i_susi->si->list_of_sisu->si_next !=
>>>>>>>>> AVD_SU_SI_REL_NULL) {
>>>>>>>>>               o_susi = i_susi->si->list_of_sisu->si_next;
>>>>>>>>>               if (o_susi->fsm != AVD_SU_SI_STATE_UNASGN)
>>>>>>>>> -                return o_susi;
>>>>>>>>> +                break;
>>>>>>>>>           }
>>>>>>>>>             i_susi = i_susi->su_next;
>>>>>>>>>       }
>>>>>>>>> -
>>>>>>>>> +    TRACE_LEAVE2("o_susi:'%p'",o_susi);
>>>>>>>>>       return o_susi;
>>>>>>>>>   }
>>>>>>>>>   @@ -4452,6 +4452,62 @@ uint32_t SG_NPM::sg_admin_down(AVD_CL_CB
>>>>>>>>>       return NCSCC_RC_SUCCESS;
>>>>>>>>>   }
>>>>>>>>>   +/*
>>>>>>>>> + * @brief      Handles modification of assignments in SU of 
>>>>>>>>> NpM SG
>>>>>>>>> + *             because of lock or shutdown operation on Node
>>>>>>>>> group.
>>>>>>>>> + *             If SU does not have any SIs assigned to it, AMF
>>>>>>>>> will
>>>>>>>>> try
>>>>>>>>> + *             to instantiate new SUs in the SG. If SU has
>>>>>>>>> assignments,
>>>>>>>>> + *             then depending upon lock or shutdown operation,
>>>>>>>>> quiesced
>>>>>>>>> + *             or quiescing state will be sent for active SIs
>>>>>>>>> in SU.
>>>>>>>>> + *           If SU has only standby assignments then remove the
>>>>>>>>> assignments.
>>>>>>>>> + *
>>>>>>>>> + * @param[in]  ptr to SU
>>>>>>>>> + * @param[in]  ptr to nodegroup AVD_AMF_NG.
>>>>>>>>> + */
>>>>>>>>> +void SG_NPM::ng_admin(AVD_SU *su, AVD_AMF_NG *ng)
>>>>>>>>> +{
>>>>>>>>> +  SaAmfHAStateT ha_state;
>>>>>>>>> +
>>>>>>>>> +  TRACE_ENTER2("'%s', sg_fsm_state:%u",su->name.value,
>>>>>>>>> +    su->sg_of_su->sg_fsm_state);
>>>>>>>>> +
>>>>>>>>> +  if (su->list_of_susi == nullptr) {
>>>>>>>>> +    avd_sg_app_su_inst_func(avd_cb, su->sg_of_su);
>>>>>>>>> +    return;
>>>>>>>>> +  }
>>>>>>>>> +
>>>>>>>>> +  if (ng->saAmfNGAdminState == SA_AMF_ADMIN_SHUTTING_DOWN)
>>>>>>>>> +    ha_state = SA_AMF_HA_QUIESCING;
>>>>>>>>> +  else
>>>>>>>>> +    ha_state = SA_AMF_HA_QUIESCED;
>>>>>>>>> +
>>>>>>>>> +  if (su->list_of_susi->state == SA_AMF_HA_ACTIVE) {
>>>>>>>>> +    if (avd_sg_su_si_mod_snd(avd_cb, su, ha_state) ==
>>>>>>>>> NCSCC_RC_FAILURE) {
>>>>>>>>> +      LOG_ER("quiescing/quiesced state transtion failed for
>>>>>>>>> '%s'",su->name.value);
>>>>>>>>> +      goto done;
>>>>>>>>> +    }
>>>>>>>>> +  } else {
>>>>>>>>> +    if (avd_sg_su_si_del_snd(avd_cb, su) == NCSCC_RC_FAILURE) {
>>>>>>>>> +      LOG_ER("removal of standby assignment failed for
>>>>>>>>> '%s'",su->name.value);
>>>>>>>>> +      goto done;
>>>>>>>>> +    }
>>>>>>>>> +  }
>>>>>>>>> +
>>>>>>>>> +  avd_sg_su_oper_list_add(avd_cb, su, false);
>>>>>>>>> + su->sg_of_su->set_fsm_state(AVD_SG_FSM_SG_REALIGN);
>>>>>>>> [Minh]: For ng_admin operation, 2N is using fsm
>>>>>>>> AVD_SG_FSM_SG_ADMIN, the
>>>>>>>> NoRed, NwayActive are using AVD_SG_FSM_SG_REALIGN. Now the
>>>>>>>> support for
>>>>>>>> NpM and Nway are using AVD_SG_FSM_SG_REALIGN also.
>>>>>>>> Quickly browsing through ng_admin() of NoRed, NwayActive, NpM, 
>>>>>>>> Nway,
>>>>>>>> they are very similar to the existing of those sg_admin_down(),
>>>>>>>> respectively. I think the NoRed, Nway, NwayACtive, NpM should be
>>>>>>>> using
>>>>>>>> AVD_SG_FSM_SG_ADMIN in the same way as 2N. The reason is the same
>>>>>>>> admin
>>>>>>>> operation should be treated in the same SG FSM state/code 
>>>>>>>> between SG
>>>>>>>> types, and if sg_admin_down() works, we should reuse them.
>>>>>>>
>>>>>>> In 2N model, there are only two cases:
>>>>>>> A) Whole SG is mapped in NG or
>>>>>>> B) SG is partially mapped in NG. One of the SU is having active or
>>>>>>> standby assignments in one of the nodes of NG.
>>>>>>>
>>>>>>> So in 2N model, AVD_SG_FSM_SG_ADMIN is used in case A) because 2N
>>>>>>> model supports SI dep within SU. Because of this quiesced/quiescing
>>>>>>> assignments must be given honoring si dep. AVD_SG_FSM_SG_ADMIN 
>>>>>>> honors
>>>>>>> that while giving quiesced/quiescing assignments.
>>>>>>> Case B) becomes the case of either lock of standby Node/su or 
>>>>>>> active
>>>>>>> node/su which still needs to be handled honoring SI dep in
>>>>>>> su_admin_down().
>>>>>>>
>>>>>>> Other red models do not support, SI deps within SU. Once it is
>>>>>>> supported we will have to use internal SG FSM state. But without SI
>>>>>>> deps, other red models can still use AVD_SG_FSM_SG_ADMIN when
>>>>>>> whole SG
>>>>>>> is mapped in NG. But possibility of such a case is more in 2N model
>>>>>>> where only two SUs can be assigned anytime. In other red models,
>>>>>>> there
>>>>>>> can be many assigned SUs so possibility of whole SG is mapped in
>>>>>>> NG is
>>>>>>> very less. So in other models AVD_SG_FSM_SG_REALIGN states is 
>>>>>>> used by
>>>>>>> keeping multiple SUs in oper list because these red models are
>>>>>>> handling switchover situation in REALIGN state (removal of 
>>>>>>> standby is
>>>>>>> always handled in realign state). But when SI deps, is completely
>>>>>>> supported within SU in these models, then we cannot use realign 
>>>>>>> state
>>>>>>> and we will have to use internal FSM code because internal FSM code
>>>>>>> will be enhanced for that.
>>>>>>> In 2N model, switchover is being done honoring SI dep but that 
>>>>>>> is in
>>>>>>> some bug fix cases.
>>>>>>>
>>>>>>> Thanks,
>>>>>>> Praveen
>>>>>>>>> +
>>>>>>>>> +  //Increment node counter for tracking status of ng operation.
>>>>>>>>> +  if ((su->any_susi_fsm_in_modify() == true) ||
>>>>>>>>> +       (su->any_susi_fsm_in_unasgn() == true)) {
>>>>>>>>> +    su->su_on_node->su_cnt_admin_oper++;
>>>>>>>>> +    TRACE("node:%s, su_cnt_admin_oper:%u",
>>>>>>>>> su->su_on_node->name.value,
>>>>>>>>> +      su->su_on_node->su_cnt_admin_oper);
>>>>>>>>> +  }
>>>>>>>>> +done:
>>>>>>>>> +  TRACE_LEAVE();
>>>>>>>>> +  return;
>>>>>>>>> +}
>>>>>>>>> +
>>>>>>>>>   SG_NPM::~SG_NPM() {
>>>>>>>>>   }
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>


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