On 30 October 2010 19:55, Lars Kellogg-Stedman <l...@oddbit.com> wrote:
> I have a two node cluster that hosts two virtual ips on the same network: > > primitive proxy_0_ip ocf:heartbeat:IPaddr \ > params ip="10.10.10.20" cidr_netmask="255.255.255.0" nic="eth3" > primitive proxy_1_ip ocf:heartbeat:IPaddr \ > params ip="10.10.10.30" cidr_netmask="255.255.255.0" nic="eth3" > > After the ip address comes up, the system must establish a network > route and a default route. I'm having trouble defining the > relationships between these services. I started with this: > > primitive public_net_route ocf:heartbeat:Route \ > params destination="10.10.10.0/24" > device="eth3" table="1" > primitive public_def_route ocf:heartbeat:Route \ > params destination="default" gateway="10.10.10.1" > device="eth3" table="1" > > clone clone_public_def_route public_def_route > clone clone_public_net_route public_net_route > why do you need/want to clone these 2 resources? For me would make more to 1 group per IP and place the resources in the order you want > But having got this before, I don't understand how to estbalish the > necessary ordering between the routes and the ip address resources. > The clones can't come up on a host until one of the ip addresses are > available on the host. In other words, the cloned resources cannot be > active on a host unless an ip address resource is also active on that > host. > > I tried this: > > order ip_0_before_routes inf: proxy_0_ip clone_public_net_route > order ip_1_before_routes inf: proxy_1_ip clone_public_net_route > order net_route_before_def_route \ > inf: clone_public_net_route clone_public_def_route > > ...but the clone services in this case don't start unless both ips are > started. Shutting down either ip takes down *all* of the clone > resources on both nodes. > > Is it possible to do what I want? This seems like exactly the same > relationship that would exist betwee, say, a cloned Apache instance > and a set of ip address resources, but I can't find a good example. > > I am not sure if you can place order constraints like this on clones. Most experience users will know better Cheers, Pavlos
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