You will also need to add the names of the machines that provide resources (see Creating Machines).
Example 2. Define machines called colony and blue.
$ gmkmachine -d "Linux Cluster" colony Successfully created 1 Machine $ gmkmachine -d "IBM SP2" blue Successfully created 1 Machine $ glsmachine Name Active Architecture OperatingSystem Description --------- --------- ------------------ ---------------------- ------------------- colony True Linux Cluster blue True IBM SP2