A computer program product for managing storage space in a storage system, the computer program product comprising a computer readable storage medium having computer readable program code embodied therein that executes to perform operations, the operations comprising:
- determining provisioned storage space comprising storage space allocated to at least one application, wherein applications may use less than all the provisioned storage space;
- determining available storage space comprising all installed storage space available for use by the at least one application having allocated storage space;
- determining allocated storage space comprising storage space used by the applications;
- determining an allocation metric as a function of the provisioned storage space, the allocated storage space, and the available storage space;
- and
- using the determined allocation metric to determine whether to generate a storage space related alert.