Operations: Server: How to add database node?
AddDatabaseNodeOperation allows you to add extra node to database group.
Syntax
// Create the AddDatabaseNodeOperation
// Add a random node to 'Northwind' database-group
var addDatabaseNodeOp = new AddDatabaseNodeOperation("Northwind");
// Execute the operation by passing it to Maintenance.Server.Send
DatabasePutResult result = store.Maintenance.Server.Send(addDatabaseNodeOp);
// Can access the new topology
var numberOfReplicas = result.Topology.AllNodes.Count();
| Parameters | ||
|---|---|---|
| databaseName | string | Name of a database to add node |
| node | string | Cluster node tag to extent database to. Default: random node tag. |
| Return Value | |
|---|---|
DatabasePutResult | Database put result |
Example I
// Create the AddDatabaseNodeOperation
// Add node C to 'Northwind' database-group
var addDatabaseNodeOp = new AddDatabaseNodeOperation("Northwind", "C");
// Execute the operation by passing it to Maintenance.Server.Send
DatabasePutResult result = store.Maintenance.Server.Send(addDatabaseNodeOp);
Example II
// add node C to 'Northwind' database group
store.Maintenance.Server.Send(new AddDatabaseNodeOperation("Northwind", "C"));