Hi list - I'm a relative newbie to Pacemaker+CoroSync. I have a 2-node
cluster that's working great and I want to add a 3-node cluster on the
same network.
I want the new 3-node cluster to be configured such that node CLUSTER2_A
shares resource R1 with node CLUSTER2_C, and node CLUSTER2_B shares
resource R2 with node CLUSTER2_C. Node CLUSTER2_C would be the failover
for both resources.
The proposed configuration looks like this...
Existing 2-Node Cluster
|----(198.51.100.0/30)---|
| |
|---------------------| |---------------------|
| eth2 | | eth2 |
| | | |
| CLUSTER1_A | | CLUSTER1_B |
| | | |
| eth0 eth1 | | eth0 eth1 |
| |--bond0--| | | |--bond0--| |
| | | | | |
|---------------------| |---------------------|
| |
| |
----------------------------(192.168.10.0/24)------------------------
| | |
| | |
|-----------------| |-----------------| |---------------------|
| | | | | | | | |
| |--bond0--| | | |--bond0--| | | |--bond0--| |
| eth0 eth1 | | eth0 eth1 | | eth0 eth1 |
| | | | | |
| CLUSTER2_A | | CLUSTER2_B | | CLUSTER2_C |
| | | | | |
| eth2 | | eth3 | | eth3 eth2 |
|-----------------| |-----------------| |---------------------|
| | | |
| |-(198.51.100.4/30)-| |
| |
|------(198.51.100.8/30)-----------------------------------|
New 3-Node Cluster
The interface sections on existing CLUSTER1 look like this...
interface {
ringnumber: 0
bindnetaddr: 192.168.10.0
mcastaddr: 226.94.1.1
mcastport: 4000
}
interface {
ringnumber: 1
bindnetaddr: 198.51.100.0
mcastaddr: 226.94.1.1
mcastport: 4000
}
I'm thinking the interface sections on CLUSTER2 need to look like
this...
interface {
ringnumber: 0
bindnetaddr: 192.168.10.0
mcastaddr: 226.94.1.2
mcastport: 4002
}
interface {
ringnumber: 1
bindnetaddr: 198.51.100.4
mcastaddr: 226.94.1.2
mcastport: 4002
}
interface {
ringnumber: 2
bindnetaddr: 198.51.100.8
mcastaddr: 226.94.1.2
mcastport: 4002
}
Does that look correct? Is what I want to do doable?
--
Eric Robinson
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