Netapp, Inc.

Network Appliance, Inc.

Eric Sirianni

Philip Bryan Clay

Stephen William Daniel

William Earl Taylor, Jr

William Randall Pafford

One or more techniques and/or systems are provided for dynamic data access configuration. For example, a mapping may be maintained for compute nodes of a distributed processing system. The mapping may comprise access permission assignments of at least some compute nodes to shared data segments (e.g., read access and/or write access permissions). The mapping may be updated based upon configuration changes for the distributed processing system (e.g., addition of a new compute node, failure of a compute node, granting or removal of access to a shared data segment for an existing compute node, etc.). The updated mapping may be applied to the distributed processing system during operation of the distributed processing system (e.g., access may be granted to original instances of shared data segments based upon the configuration change; compute nodes and/or the distributed processing system may be kept online and operational while applying the configuration change; etc.).

Dynamic data access configuration

In one aspect, dynamic determination generates a storage resource graph corresponding to a storage topology. The generating may comprise iterating through storage resources in the storage topology and using a discovery handler to generate a node in the storage resource graph corresponding to each of the iterated storage resources. Dynamic determination generates an operation graph by iterating through nodes in the storage resource graph and using an operating handler to generate operation-specific metadata corresponding to each iterated node of the storage resource graph. Dynamic generating executes the operation graph in a way specific to the operation.

Dynamic discovery of storage resource topology

A method of exposing the functionality of an application in a command interface includes generating a command line interpreter ('CLI') from a component of an application. The application's components are used to automatically generate the CLI to interpret commands to access the functionality of the application. The generated CLI parses, maps, and dispatches the commands and any associated arguments in accordance with the application's components. Application metadata is used to modify the generated CLI to customize the exposure of the functionality of the application in the command interface.

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Eric Sirianni