Hi Surya,

 We are using TCP as MDS, Did you mean TCP?

Regards,
Girish

-----Original Message-----
From: Suryanarayana Garlapati [mailto:[email protected]]
Sent: Thursday, May 28, 2015 12:56 PM
To: Girish Nagaraj; A V Mahesh; [email protected]
Subject: Re: [users] MDS frame gets dropped

slow receiver and fast sender. You need to tune the TIPC kernel buffers as
well.

On 05/28/15 12:54, Girish Nagaraj wrote:
> Hi Mahesh,
>
>   What is the reason that some frame is dropped on standby in 4.3.1?
>
> Regards,
> Girish
>
> -----Original Message-----
> From: A V Mahesh [mailto:[email protected]]
> Sent: Wednesday, May 27, 2015 2:28 PM
> To: [email protected]
> Subject: Re: [users] MDS frame gets dropped
>
> Hi Girish,
>
> The very big  data is supported after Ticket  #654 MDS improvements ,
> and it is not freezable to  backport to 4.3 and   4.3 is no more
> supported in user-list.
>
> -AVM
>
> On 5/27/2015 12:40 PM, Girish Nagaraj wrote:
>> Hi,
>>
>>
>>
>> We use opensaf in active-standby setup, when standby is started it
>> calls
>> saCkptCheckpointOpen() and receives checkpoints from active node.
>>
>> During this if some packet is very big, mds splits it into frames and
>> sends it across.
>>
>>
>>
>> I am facing a weird issue, active sends all frames as expected, logs
>> for all the frame sends are recorded. On standby randomly one of the
>> frame is lost, recv log not recorded.
>>
>> So the next frame it gets is not what it is expecting so throws
>> message
>> ‘MDTM: Frag recd is not next frag so dropping adest=’ , poll is also
>> successful.
>>
>>
>>
>> I see that similar issue in opensaf user community mail conversations.
>>
>>
>>
>> We are using opensaf version 4.3.1, we cannot move to opensaf version
>> 4.6 in this release so we are fixing all the issues by ourselves.
>>
>> I merged fix ‘#770 ckptnd: increase performance when creating and
>> writing large numbers ofsections’ into our opensaf, still problem
>> remains.
>>
>>
>>
>> Is there any fix available for this?
>>
>>
>>
>> Regards,
>>
>> Girish
>>
>
> ----------------------------------------------------------------------
> -------- _______________________________________________
> Opensaf-users mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/opensaf-users
>

--
Regards
Suryanarayana Garlapati | Senior Solutions Architect GlobalLogic P
+91.120.406.2257  M +91.874.400.0585  Skype surya_g10 www.globallogic.com

http://www.globallogic.com/email_disclaimer.txt

-- 
.

------------------------------------------------------------------------------
_______________________________________________
Opensaf-users mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/opensaf-users

Reply via email to