Thanks, now I understand.

It would be nice to have a fool-proof solution for non-HPI enabled systems.

The payload node should reboot itself automatically but not timer based, rather 
based on an event like both active and standby controller missing.

Thanks,
Hans

Kumar Nagendra-G20235 wrote:
> If your system is not HPI enabled then user intervention is required.
> You need to reboot the payloads manually.
> 
> The case you are specifying would be solved on HPI enabled system like
> this:
> When controller comes up then AVM of AvSv gets all the payload
> information from HPI using HISV and send a reboot command to reboot
> these payloads. So, all the payloads would be rebooted. 
> 
> Regards
> -Nagendra
> 
> -----Original Message-----
> From: Hans Feldt [mailto:[EMAIL PROTECTED] 
> Sent: Wednesday, November 21, 2007 5:41 PM
> To: Kumar Nagendra-G20235
> Cc: [email protected]
> Subject: Re: [Users] System behavior when both controllerstemporarily
> disappears?
> 
> And this timer is canceled if an active controller comes back before the
> timer expires?
> 
> So if both controllers are back again within 3 minutes, the payloads
> will not reboot, is that correct?
> 
> But at the same time the payloads are not allowed to enter the cluster
> again and we get the the AVD logs filled with:
> 
> AN INVALID DATA VALUE at ./avd_ndfsm.c:346 val 132367
> 
> Please explain how this is suppose to work and if there is a catch here
> with the scenario described above.
> 
> Regards,
> Hans
> 
> 
> Kumar Nagendra-G20235 wrote:
>> Hans,
>>        The wait timer is in mds. MDS delays the DOWN events of 
>> Directors(working on Vdest) by 3 minutes. The reference is 
>> opensaf/services/mds/src/mds_main.c : uns32 MDS_AWAIT_ACTIVE_TMR_VAL =
> 
>> 18000; AvND on payload doesn't get AVD down event till 3 minutes. And 
>> when it gets, it reboots.
>>
>> This time had been put large enough to make Switchover success.
>> Swithover may take some time in putting the components STDBY from 
>> ACTIVE.
>>
>> You can fine tune it as per your requirements as far as payload is 
>> concerned.
>>
>> Regards
>> -Nagendra
>>
>> -----Original Message-----
>> From: [EMAIL PROTECTED]
>> [mailto:[EMAIL PROTECTED] On Behalf Of Hans Feldt
>> Sent: Tuesday, November 20, 2007 8:18 PM
>> To: [email protected]
>> Subject: Re: [Users] System behavior when both controllerstemporarily 
>> disappears?
>>
>> I found avnd_di.c:avnd_evt_mds_avd_dn that does a reboot directly from
> 
>> what I understand. But the payload node seems to wait 3 minutes before
> 
>> reboot. Where is that in the code?
>>
>> Thanks,
>> Hans
>>
>> Hans Feldt wrote:
>>> We discussed this a bit in thread:
>>> http://list.opensaf.org/archives/users/2007-August/000108.html
>>>
>>> I would like the payloads to discover that there is no active 
>>> controller and reboot themselves. Where in the (avnd) code can I
>> change this?
>>> This is a system without HPI enabled.
>>>
>>> Thanks,
>>> Hans
>>>
>>> _______________________________________________
>>> Users mailing list
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>>> http://list.opensaf.org/maillist/listinfo/users
>>>
>> _______________________________________________
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>>
> 
> 

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