Forum Discussion
hotrod_127503
Nimbostratus
Sep 03, 2004How do I introduce a new node to bigIP?
I have not been able to find a method in LocalLB to add a new node to the box so that I can then add a pool. BTW is there a way to create and empty pool? Could I use the add node method to create a new by adding a new node to an existing pool?
3 Replies
- There is no way to add a node by itself. If you are creating a new pool, then you need to use the ITCMLocalLB::Pool::create() method:
void ITCMLocalLB::Pool::create( in String pool_name, in LBMethod lb_method, in IPPortDefinition[] members );
This will create a new pool with the specified members. In answer to your BTW question: No, a pool must have at a minimum one member. If you pass in an empty array for the members parameter, you will get a Fault returned. Or, if you try to delete all the members with the ITCMLocalLB::Pool::delete_members() method, it will return an error stating that the pool cannot be empty.
If you have an existing pool you want to add nodes to, use the ITCMLocalLB::Pool::add_members() method.void ITCMLocalLB::Pool::add_members( in String pool_name, in IPPortDefinition[] members );
Once a node is a member of a pool, it will exist as an entity on the device and can be manipulated with the ITCMLocalLB::Node interface.
Hope this helps...
-Joe - Great! Glad to help. Don't hesitate to post any other questions that might come up.
-Joe - hotrod_127503
Nimbostratus
Thanks Joe. That answers my question exactly. I was wondering why there wasn't a new_node method somewhere. I suppose the API is saying that a node out of context of a pool makes no sense, so the usage of pool is the only method to create a node?
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