[Linux-HA] 3 Nodes with 2 Frontend and 1 Backup
Joe P.H. Chiang
jo3chiang at gmail.com
Sun Oct 25 22:53:32 MDT 2009
Hi Thank you for your reply
this video may show the better idea with configuration and video of the 3
nodes and the problem i have..
When lb1 was suspended via vmware
immediately the lb2 and lb3 start to listen to
lb1's virtual ip address
what i want is that only lb3 listens to lb1's virtual ip
and then when lb3 is goes down(suspended via vmware) the lb2 to listen lb1's
virtual ip which is 192.168.19.101
and how do i do that?
When load balancer 1 is down then the load balancer 2 and load balancer 3
automatically listen to virtual IP of load balancer 1
Setup: 3 Nodes, 2 Active 1 Backup
Load Balancer 1= Front end
Load Balancer 2= Front end
Load Balanccr 3= Backup
lb1 Virtual IP = 192.168.19.101
lb2 Virtual IP = 192.168.19.102
lb1 Physical IP = 192.168.19.128
lb2 Physical IP = 192.168.19.135
lb3 Physical IP = 192.168.19.132
I hope you guys can understand my poor English this time
On Fri, Oct 23, 2009 at 10:42 PM, Dejan Muhamedagic <dejanmm at fastmail.fm>wrote:
> On Fri, Oct 23, 2009 at 07:42:05PM +0800, Joe P.H. Chiang wrote:
> > I have some trouble setting this up.
> > I have 3 Nodes
> > LB1 : listen to 10.10.10.1
> > LB2 : listen to 10.10.10.2
> > LB3 : backup node for lb1 & lb2
> > Setup1
> > if LB1 goes DOWN.. LB3(backup node) goes UP then, if LB3(backup node)
> > then LB2 will host (LB1+LB2) eth0:0 = 10.10.10.1 + eth0:1= 10.10.10.2
> Not sure what do you mean with goes up/down.
> > same goes for LB2
> > Setup2
> > if LB2 DOWN.. LB3(backup node) goes UP then, if LB3(backup node) DOWN
> > LB1 will host (LB1+LB2) eth0:0 = 10.10.10.2 + eth0:1= 10.10.10.1
> > Problem: Setup1
> > when LB1 goes DOWN then LB3 and LB2 will BOTH host the IP of LB1.
> > or
> > when LB2 goes DOWN then LB1 and LB3 will BOTH host the IP of LB2
> You mean one non-cloned resource runs on two nodes? That
> shouldn't happen. It can happen on split-brain and quorum
> > hmm is there any reason why?
> > kinda hard to explain this..
> Kinda hard to help without logs and configuration.
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