Re: VIP on LB hangs

simon bullen <[email protected]> Thu, 13 Aug 2009 14:26:23 +0100
Newsgroups gmane.comp.programming.load-balancing.general
Message-ID <[email protected]>
Hi Hans,

looks like you have an issue with VRID 10

if you configure /c/l3/vrrp/ vrgroups and add all you vrid's to it it 
will keep all your traffic on a single LB rather than having it split

Also all your prio's are 104 have you set prio to 101 on the master ?



Hans Merkwurdigliebe wrote:
> Hi Simon,
>
> Thx for Your answer.
>
>   
>> with out any out put it would be hard to pinpoint the issue
>>     
>
> If alteon has logs,I could provide some of them....
>
>   
>> /i/l3/vrrp on both units to check you are master /standby on the correct
>> units (including the gateway)
>>     
>
> VRRP information:
>    5: vrid    5, IP_1,    if 101, renter, prio 104, master, server
>    6: vrid    6, IP_2,  if 102, renter, prio 104, master
>    7: vrid    7, IP_3,    if 101, renter, prio 104, master
>    9: vrid    9, IP_4,    if 101, renter, prio 104, master, server
>   10: vrid   10, IP_5,  if 102, renter, prio 100, init, server
>
>    5: vrid    5, IP_1,    if 101, renter, prio 104, backup, server
>    6: vrid    6, ...,  if 102, renter, prio 104, backup
>    7: vrid    7, ...,    if 101, renter, prio 104, backup
>    9: vrid    9, ...,    if 101, renter, prio 104, backup, server
>   10: vrid   10, ...,  if 102, renter, prio 104, master, server
>
>   
>> have you configured local nets, check /c/l3/frwd/local ?
>>     
>
> I have. Looks the same.
>
>   
>> It sounds like traffic was traversing both of your Alteons, this is called
>> split brain.
>>     
>
> Thx for hints. I read about split brain, and if I am not wrong, it
> occures when failover link has failer. I need to dig LB to find out
> logs.
>
>   
>> Hope this helps
>>     
>
> Ofc!
>
> BGR,
> Merk
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