The pay-as-you-go service is combined with backup services, and MCI said it is being aimed at business of all sizes. It is operated from MCI’s US data centers, and according to the telco involves a client central portal where customers can view attached servers, track volumes, monitor utilization and add, move, and delete storage capacity.

Privately-held 3Par says that about half of its 100-odd customers are service providers, and that the rest are large enterprises whose IT departments consider themselves as internal service providers. 3Par describes its high-end disk arrays as providing utility storage, because the virtualized devices enable data to be easily moved between disk tiers, and allow thin-provisioning of what are effectively elastic data volumes.

AppIQ, also privately held, has already seen its SRM software OEM’ed by Hewlett-Packard Co, Engenio Technologies Inc, Hitachi Ltd and Sun Microsystems Inc.