HP 3PAR StoreServ 7400 2-node HP 3PAR StoreServ Storage Concepts Guide (OS 3.1 - Page 78
The HP 3PAR CIM API, Overview, About SMI-S, About the WBEM Initiative
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14 The HP 3PAR CIM API Overview This chapter describes the HP 3PAR CIM Application Programming Interface (API), HP's industry-standard API based on SNIA's Storage Management Initiative Specification (SMI-S). For detailed information about the HP 3PAR CIM API, refer to the HP 3PAR CIM API Programming Reference. About SMI-S SMI-S enables management of storage area networks (SANs) in a heterogeneous multi-vendor environment. SMI-S uses an object-oriented model based on the Common Information Model (CIM) to define objects and services which comprise a SAN. By leveraging vendor and technology independent standards, SMI-S allows management application vendors to create applications that work across products from multiple vendors. The SMI-S model is divided into several profiles, each of which describes a particular class of SAN entities (such as disk arrays). These profiles allow for differences in implementations but provide a consistent approach for clients to discover and manage SAN resources and facilitate interoperability across vendor products within the SAN. SMI-S also defines an automated resource discovery process using Service Location Protocol version 2 (SLPv2). This allows management applications to automatically find SAN resources and then probe them to determine which of the SMI-S profiles and features they support. For more information about SMI-S, refer to the Storage Management Initiative web site at http:// www.snia.org/smi/home. About the WBEM Initiative SMI-S is based on the Web-Based Enterprise Management (WBEM) Initiative, which is defined by the Distributed Management Task Force (DMTF). WBEM is a set of management and Internet standard technologies developed to unify the management of distributed computing environments. The DMTF has developed a core set of standards that make up WBEM: • The Common Information Model (CIM) standard The CIM standard is the data model for WBEM. CIM provides a conceptual framework for describing management data for systems, networks, applications and services, and allows for vendor extensions. SMI-S uses CIM to model those objects and relationships that comprise a SAN. • CIM-XML CIM-XML is a method of exchanging CIM management data. CIM-XML uses an xmlCIM payload and HTTP(s) as the transport mechanism. 78 The HP 3PAR CIM API