EMC Assigned Four Patents

Policy-based storage of object fragments in multi-tiered storage system
EMC Corporation, Hopkinton, MA, has been assigned a patent (8,918,586) developed by Todd Stephen J., Shrewsbury, MA, and Ostapovicz Scott, Franklin, MA for a “policy-based storage of object fragments in a multi-tiered storage system.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Some embodiments are directed to an object addressable storage, OAS, system that stores a plurality of objects, a method for use in an OAS system and at least one non-transitory computer readable storage medium encoded with instruction that, when performed by a computer perform a method for use in an OAS system. Each object may include a plurality of fragments. A tiered storage environment comprising a plurality of storage tiers may be used. In response to a command, metadata associated with the fragment and a policy may be accessed. A storage tier may be selected for one or more fragments of the object based on the policy and the metadata associated with the fragment. “

The patent application was filed on September 28, 2012 (13/630,378).

Automating service lifecycle management
EMC Corporation, Hopkinton, MA, has been assigned a patent (8,918,493) developed by RBeach Nathan B., Richardson, TX, Gillam David A., The Colony, TX, and Crable Frederick, Allen, TX, for a “methods and apparatus for automating service lifecycle management.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Methods and apparatus to provide, in a cloud infrastructure environment having a compute layer, a network layer, a storage layer, and management layer, wherein the management layer has no knowledge of at least some of existing infrastructure services, selecting hosts containing host bus adapters and/or network adapters having unique identifiers, using the unique identifiers to analyze the storage layer for: storage groups having host initiators that match the unique identifiers of the host bus adaptors, and/or network file storage, NFS, exports exposed to the unique identifiers as client IP addresses.“

The patent application was filed on June 28, 2012 (13/536,705).

Preferential selection of candidates for delta compression
EMC Corporation, Hopkinton, MA, has been assigned a patent (8,918,390) developed by Shilane Philip N., Yardley, PA, Wallace Grant R., Pennington, NJ, and Huang Mark L., Seattle, WA, for a “preferential selection of candidates for delta compression.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A computer-implemented method and system for improving efficiency in a delta compression process in a data storage system selects a data chunk to delta compress and generates a sketch for the selected data chunk. The method and system search for a set of candidate data chunks with a matching sketch and rank the set of candidate data chunks by degree of sketch matching. The set of candidate data chunks are tie-braked using location status data for each candidate and the selected data chunk is delta compressed with a selected candidate data chunk. The delta compressed selected data chunk is then stored in a data storage system.“

The patent application was filed on June 13, 2012 (13/495,831).

Performing data validation in a network management application
EMC Corporation, Hopkinton, MA, has been assigned a patent (8,918,677) developed by Marokhovsky Serge, Upton, MA, Chaulk Christopher A., Franklin, MA, and Xu Yongmei, Westford, MA, for a “methods and apparatus for performing data validation in a network management.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A report generator of a storage area network management application includes a data validation mechanism that validates data related to managed resources operating in a storage area network. The data validation mechanism obtains first and second data sets concerning first and second characteristics of a resource operating in the storage area network and applies at least one data validation test using data sets to detect inconsistencies in data in the first and second data sets associated with the resource operating in the storage area network. Values can be compared in different columns of the same or different reports to detect report integrity errors or data mining errors. The report generator provides a storage area network management report based on data of the first data set and the second data set that accounts for inconsistencies in data associated with the resource as detected by the at least one data validation test.“

The patent application was filed on September 30, 2004 (10/955,805).