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vsphere-esxi-vcenter-server-55-storage-guide

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Using Storage Providers 26vSphere uses <strong>storage</strong> providers to integrate with external physical <strong>storage</strong> and <strong>storage</strong> abstractions. Whenusing <strong>storage</strong> providers, vSphere can gain a better insight into resources and obtain comprehensive andmeaningful <strong>storage</strong> data. vSphere can also communicate to <strong>storage</strong> any requirements that are based on<strong>storage</strong> policies you define for virtual machines.The <strong>storage</strong> provider is a software plug-in developed by a third party through the vStorage APIs for StorageAwareness (VASA). The <strong>storage</strong> provider component is typically installed on the <strong>storage</strong> side and acts as a<strong>server</strong> in the vSphere environment. vCenter Server uses <strong>storage</strong> providers to retrieve information about<strong>storage</strong> and to query <strong>storage</strong> resources. This information helps <strong>storage</strong> policy based management (SPBM)make decisions about virtual disk placement and compliance.For information about whether your <strong>storage</strong> supports the <strong>storage</strong> provider plug-ins, contact your <strong>storage</strong>vendor.If your <strong>storage</strong> supports <strong>storage</strong> providers, use the vSphere Web Client to register and manage each <strong>storage</strong>provider component.This chapter includes the following topics:• “Storage Providers and Storage Data Representation,” on page 253• “Storage Provider Requirements and Considerations,” on page 254• “Storage Status Reporting,” on page 254• “Register Storage Providers,” on page 2<strong>55</strong>• “Securing Communication with Storage Providers,” on page 256• “View Storage Provider Information in the vSphere Web Client,” on page 256• “Unregister Storage Providers in the vSphere Web Client,” on page 256• “Update Storage Providers in the vSphere Web Client,” on page 257Storage Providers and Storage Data RepresentationThe vCenter Server communicates with the <strong>storage</strong> provider to obtain information that the <strong>storage</strong> providercollects from available <strong>storage</strong> devices. The vCenter Server can then display the <strong>storage</strong> data in thevSphere Web Client.Information that the <strong>storage</strong> provider supplies can be divided into the following categories:• Storage topology. Information about physical <strong>storage</strong> elements appears on the Storage Views tab. Itincludes such data as <strong>storage</strong> arrays, array IDs, and so on.VMware, Inc. 253

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