Re: [Keepalived-devel] Failover problem

[Patrick B. <bou...@ed...>]

Alexis Januskiewicz wrote:
> Hi !
> 
> I'm trying to use Keepalived with my cluster, which is a quite 
> "specific" cluster... In fact, I'm trying to use only two servers, which 
> are at the same time directors and real servers :
> - Srv 1 :
> * IP : 10.0.0.232
> * Service : Squid, on port 3128
> * Has to be backup server
> - Srv 2 :
> * IP : 10.0.0.233
> * Service : Squid, on port 3128
> * Has to be master server
> - VIP : 10.0.0.234
> 
> I'm not interested for the moment by load balancing but only fail over 
> with services check. Keepalived seems to be really excellent for this, 
> but I've a bad comportment. Maybe due to my configuration...
> 
> Squid is running on each server. I start Keepalived on each server : no 
> problem, Srv2 answers to telnet on port 3128. I disconnect Srv2 from 
> network : Srv1 becomes Master and answers to connections. Good at this 
> point :)
> Now, I reconnect Srv2 to network : Srv1 TCP Check is ok, but Srv1 stays 
> Master. Is it normal ? It seems to me that Srv2 should become master. 
> And, finally, I disconnect Srv1 : of course, no server is master, and 
> consequently, cluster is dead :(
> Is there a problem with me configuration ?
> 
> For your information, when I reconnect Srv1, cluster stays dead.
> It seems there is a problem, so any help will be appreciated :)


I would use Heartbeat (http://linux-ha.org/) in this simple situation, 
not keepalived.


> 
> Thanks !
<snip>