Thie ISO/IEC 24775-4:2021 defines an interface for the secure, extensible, and interoperable management of a distributed and heterogeneous storage system. This interface uses an object-oriented, XML-based, messaging-based protocol designed to support the specific requirements of managing devices and subsystems in this storage environment. Using this protocol, this e ISO/IEC 24775-4:2021 describes the information available to a WBEM Client from an SMI-S compliant WBEM Server.