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Re: [lvs-users] Master - backup synchronization verification

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [lvs-users] Master - backup synchronization verification
From: Adrian Chapela <achapela.rexistros@xxxxxxxxx>
Date: Tue, 06 Nov 2007 19:10:20 +0100
Rumen Bogdanovski escribió:
> 1. on the master director:
> # ipvsadm -l --daemon
> and verify the master daemon is running on the appropriate interface
> with a correct syncid.
>   
All it's fine.
> 2. on the backup:
> # ipvsadm -l --daemon 
> and verify the backup daemon is running.
>   
All it's fine.
> 3. if everything looks ok create several connections and monitor
> # ipvsadm -lnc
> on the backup, if the connections are listed everything is fine.
>   
Yes, All connections are listed very well. Thank you!
> Btw try again tcpdump while creating new connections or while generating
> traffic on the old ones. Only then you will see sync packets. 
>   
OK, I will try this then.

Thank you a lot!!
>
> On Tue, 2007-11-06 at 18:24 +0100, Adrian Chapela wrote:
>   
>> Hello,
>>
>> I want to verify if my Master server is sending connection state to my 
>> backup server. The config say yes, but I don't think the same. If I 
>> filter traffic with tcpdump (tcpdump -i eth0 ether multicast) I see the 
>> VRRP heartbeats of my keepalived application but I don't see the packets 
>> with:
>>
>> <Protocal, CIP:CPort, VIP:VPort, RIP:RPort, Flags, State>
>>
>> How can I verify if synchronization is running ??
>>
>>
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>>     
>
>
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