[Pacemaker] IP Range Failover with IPaddr2 and clone / globally-unique="true"

Dejan Muhamedagic dejanmm at fastmail.fm
Wed Jan 25 11:43:57 EST 2012


On Wed, Jan 25, 2012 at 04:40:38PM +0100, Anton Melser wrote:
> >> # primitive ClusterIP.144.1 ocf:heartbeat:IPaddr2 params
> >> ip="10.144.1.1" cidr_netmask="32" clusterip_hash="sourceip" op monitor
> >> interval="120s"
> >> # clone CloneIP ClusterIP.144.1 meta globally-unique="true" clone-max="8"
> >
> > You have just two nodes so with this configuration you get two
> > clones. You can add meta clone-node-max=8 (or whatever fits your
> > needs) to have more clones running per node.
> >
> > Thanks,
> >
> > Dejan
> Thank you! I just can't understand what I'm doing wrong here then - I
> am only getting one actual IP, whatever I'm putting in. I stopped FW2
> to make sure I have a coherent setup.
> 
> crm(live)# configure show
> node FW1
> node FW2
> primitive ClusterIP.144.1 ocf:heartbeat:IPaddr2 \
>         params ip="10.144.1.1" cidr_netmask="32" clusterip_hash="sourceip" \

cidr_netmask is not correct (it should be 8). And you need to set
unique_clone_address to true as already mentioned.

Thanks,

Dejan

[...]
> [root at FW1 ~]# ip addr show
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
>     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>     inet 127.0.0.1/8 scope host lo
>     inet6 ::1/128 scope host
>        valid_lft forever preferred_lft forever
> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
> state UNKNOWN qlen 1000
>     link/ether 00:15:5d:43:e9:55 brd ff:ff:ff:ff:ff:ff
>     inet 10.140.0.1/8 brd 10.255.255.255 scope global eth0
>     inet 10.144.1.1/32 brd 10.144.1.1 scope global eth0
>     inet6 fe80::215:5dff:fe43:e955/64 scope link
>        valid_lft forever preferred_lft forever
> 
> Is this NOT what I should have configured?
> Cheers
> Anton
> 
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