Patent ID: 8595535

Claim:
A method for managing a data storage system comprising: determining first energy information for each of one or more enclosures of the data storage system, each of said enclosures including components of the data storage system; determining second energy information for the data storage system based on information including the first energy information for the one or more enclosures, wherein the second energy information includes an estimate of power consumed by standby power supplies based on a state of each of said standby power supplies; determining whether any of said first energy information for each of the one or more enclosures and said second energy information for said data storage system are within a predetermined amount of one or more associated thresholds; and if it is determined that any of said first energy information for each of the one or more enclosures and said second energy information for said data storage system are within a predetermined amount of one or more associated thresholds, taking one or more actions prior to reaching said one or more associated thresholds.