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IBM Assigned Six Patents

Managing resources of storage server, redundancy in virtualized storage system, reducing storage system power consumption, updating elements in storage facility, distributing data among storage partitions, low latency and persistent storage

Managing resources of storage server
International Business Machines Corp.www.ibm.com, Armonk, NY, has been assigned a patent (8,881,165) developed by four co-inventors for “methods, computer systems, and physical computer storage media for managing resources of a storage server.”

The co-inventors are David D. Chambliss, Morgan Hill, CA, Lei Liu, William G. Sherman, Tucson, AZ, and Rui Zhang, San Francisco, CA.

The abstract of the patent published by the U.S. Patent and Trademark Office states: “For managing a storage server having improving overall system performance, a first input/output (I/O) request is received. A first priority level is dynamically assigned to the first I/O request, the first I/O request associated with a performance level for an application residing on a host in communication with the storage server. A second I/O request of a second priority level is throttled to allow at least a portion of a predetermined amount of resources previously designated for performing the second I/O request to be re-allocated to performing the first I/O request. The second priority level is different than the first priority level.”

The patent application was filed on June 27, 2012 (13/534,125).

Redundancy in virtualized storage system for computer system
IBM, Armonk, NY, has been assigned a patent (8,880,843) developed by Mark B. Thomas, Southampton, UK, for “providing redundancy in a virtualized storage system for a computer system.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A method for providing redundancy in a virtualized storage system for a computer system is provided. The method includes determining a first set of first logical addresses to provide a virtual storage volume. A redundancy schema is then selected to provide redundancy data for primary data stored in the first set of first logical addresses. A second set of second logical addresses is determined to provide logical storage for the primary data and for the redundancy data. The first set of first logical addresses and the second set of second logical addresses are then mapped and a set of physical storage addresses is selected from a set of physical storage elements. Mapping between the second set of second logical addresses and the set of physical addresses is then performed to provide physical storage for the primary data and the redundancy data stored in the virtual storage volume.”

The patent application was filed on Feb. 10, 2010 (12/703,456).

Reducing storage system power consumption in remote copy configuration
IBM, Armonk, NY, has been assigned a patent (8,880,816 developed by John C. Elliott and Brian A. Rinaldi, Tucson, AZ, for “reducing storage system power consumption in a remote copy configuration.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A storage system in a remote copy configuration includes a redirect mechanism. The redirect mechanism determines whether to redirect read operations to a remote storage system, which is part of the remote copy configuration, based on a power management policy and a redirect policy. The redirect mechanism takes into account response time data, input/output demand, power utilization data, and input/output classes and priorities to determine whether to redirect read access requests to the remote storage system. Redirection of read operations to the remote storage system results in reduced power consumption at the local system.”

The patent application was filed on July 24, 2012 (13/556,521).

Updating elements in storage facility
using predefined state machine over extended time period
IBM, Armonk, NY, has been assigned a patent (8,881,134) developed by six co-inventors for “updating elements in storage facility using predefined state machine over extended time period.”

The co-inventors are Franck Excoffier, Tucson, AZ, Michael P. Groover, Vail, AZ, Xu Han, Lincoln, CA, Andreas B.M. Koster, Vail, AZ, Edward H. Lin, Tucson, AZ, and Mario Sweeney, Oregon City, OR.

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A sequence for distributing at least one of a plurality of code packages to the at least one facility according to different states of a fixed state machine is set. The at least one of the plurality of code packages is installed in at least one staging area. The at least one of the plurality of code packages is maintained in the at least one staging area in a valid, dormant mode while the fixed state machine is stopped. Pursuant to a resumption of the fixed state machine at a subsequent time, a current code package is swapped with the at least one of the plurality of code packages in the at least one staging area to activate the at least one of the plurality of code packages.”

The patent application was filed on April 29, 2010 (12/769,763).

Distributing data among storage partitions based on forecasted demand
in networked computing environment
IBM, Armonk, NY, has been assigned a patent (8,880,841) developed by four co-inventors for “distributing data among storage partitions based on a forecasted demand in a networked computing environment.”

The co-inventors are Ryan G. DeJana, Longmont, CO, Lisa Seacat DeLuca, San Francisco, CA, Soobaek Jang, Hamden, CT, and Daniel C. Krook, Fairfield, CT.

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Embodiments of the present invention provide an approach to forecast a potential demand for partitioned/sharded data and to distribute the data among a set of data partitions based on forecasted demand to optimize network characteristics (e.g., network bandwidth) and/or expedite data retrieval. For example, the data may be distributed among the partitions based on a quantity of trends/requests/hits on the data, so that requests for the data can be balanced among the partitions geographically.

The patent application was filed on Nov. 15, 2011 (13/296,339).

Low latency and persistent storage
IBM, Armonk, NY, has been assigned a patent (8,880,834) developed by four co-inventors for “low latency and persistent storage.”

The co-inventors are Blake G. Fitch, Croton-on-Hudson, NY, Michele M. Franceschini, White Plains, NY, Ashish Jagmohan, Irvington, NY, and Todd Takken, Brewster, NY.

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Persistent storage is provided by a computer program product that includes computer program code configured for receiving a low latency store command that includes write data. The write data is written to a first memory device that is implemented by a nonvolatile solid-state memory technology characterized by a first access speed. It is acknowledged that the write data has been successfully written to the first memory device. The write data is written to a second memory device that is implemented by a volatile memory technology. At least a portion of the data in the first memory device is written to a third memory device when a predetermined amount of data has been accumulated in the first memory device. The third memory device is implemented by a nonvolatile solid-state memory technology characterized by a second access speed that is slower than the first access speed.

The patent application was filed on Jan. 22, 2014 (14/160,590).

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