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IBM Assigned Eleven Patents

Pass-through tape access in disk storage environment, reclamation of data on tape cartridge, recording method for storing first data and second data into tape medium, quasi-statically tilted head having offset reader/writer transducer pairs, tape device and writing method, optimized data placement for individual file accesses on de-dupe-enabled sequential storage systems, replication of cartridge data, magnetic head and system having offset arrays, dynamic tape library for data management, end-to end data protection supporting multiple CRC algorithms, load balancing and space efficient big data tape management

Pass-through tape access in disk storage environment
International Business Machines Corporation, Armonk, NY, has been assigned a patent (9,240,209) developed by Crawford, Joshua J., Jennas, II, Paul A., Tucson, AZ, Peipelman, Jason L., and Ward, Matthew J., Vail, AZ, for a “pass-through tape access in a disk storage environment.

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A command to write data to a virtual location is received at a disk storage system. The virtual location is mapped to a tape storage system. A record is generated including the data, the virtual location, and a sequence value. The sequence value indicates relative sequence when compared to other sequence values. The record is written to a record location on a tape cartridge loaded in a tape drive. Record metadata on the disk storage system is modified to indicate that the first record location contains the first record. The data on the record can be read from the tape cartridge.

The patent application was filed on September 30, 2014 (14/502,218).

Reclamation of data on tape cartridge
International Business Machines Corporation, Armonk, NY, has been assigned a patent (9,236,065) developed by Abe, Atsushi, Tokyo, Japan, Ohta, Yumiko, Kanagawa, Japan, Masuda, Setsuko, and Watanabe, Terue, Tokyo, Japan, for a “reclamation of data on tape cartridge.

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A method is provided for automatically reclaiming areas with unneeded data in a tape cartridge, (medium) storing files updated by appended writing. In this reclamation method, the appended writing entails the sequential compression of data needed by the updated file, (needed data) and data not needed by the file, (unneeded data) and storage of the compressed data on the medium, and the medium is divided into at least three data partitions for the storage of data.

The patent application was filed on October 10, 2014 (14/511,660).

Data recording method for storing first data and second data into tape medium
International Business Machines Corporation, Armonk, NY, has been assigned a patent (9,230,600) developed by Itagaki, Hiroshi, Yokohama, Japan, and Shiratori, Toshiyuki, Tokyo, Japan, for a “data recording method for storing first data and second data into a tape medium.

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”Provided is a method for recording data to a tape medium in such a manner as to achieve the easy management of mutually related multiple data pieces. First data and second data continuously received as a file from a higher level apparatus are accumulated in multiple buffer segments in the form of multiple successive data sets. A data structure is determined for each of the accumulated data sets. Management information indicating a result of the determination is added to the data sets, and the data sets and the management information thereof are stored into the tape medium.

The patent application was filed on June 27, 2012 (13/534,325).

Quasi-statically tilted head having offset reader/writer transducer pairs
International Business Machines Corporation, Armonk, NY, has been assigned a patent (9,218,838) developed by Biskeborn, Robert G., Hollister, CA, and Lo, Calvin S., Saratoga, CA, for a “quasi-statically tilted head having offset reader/writer transducer pairs.

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”Aspects of the present invention relates generally to apparatuses with transducer arrays having offset transducers. Various embodiments are particularly suited to tilting for tape dimensional instability compensation. Some embodiments include dual servo readers in a given array.

The patent application was filed on December 12, 2013 (14/105,082).

Tape storage device and writing method therefor
International Business Machines Corporation, Armonk, NY, has been assigned a patent (9,218,130) developed by Hirata, Takamasa, Masuda, Setsuko, Mori, Yuhko, Oishi, Yutaka, and Watanabe, Terue, Tokyo, Japan, for a “tape storage device and writing method therefor.

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A mechanism is provided for tape writing of small transactions. A first file is written as a plurality of fixed-length data sets, DS, the DS number of the final DS in the plurality of DS is stored in memory as #N(DS#N) and the WP number as #M(WP#M, and the final first file and the second file in the DS following the final DS(DS#N, WP#M) containing the first file are packed and written in sequential DS units, and are stored as DS#N, DS#N+1, etc. and WP#M+1 in sequential order in DS containing the second file. The remaining first, second, or third file is packed and DS#N with WP#M is overwritten as DS#N with WP#M+2, and the remaining #N in the DS numbers of the second file and the third file in the subsequent DS are written as DS#N+1, N+2, etc. with WP#M+2, and the DS#N, #N+1, #N+2, etc. with WP#M+2 are stored.

The patent application was filed on December 9, 2014 (14/564,909).

Optimized data placement for individual file accesses
on deduplication-enabled sequential storage systems
International Business Machines Corporation, Armonk, NY, has been assigned a patent (9,208,820) developed by Constantinescu, Mihail C., San Jose, CA, Gharaibeh, Abdullah, Vancouver, CA, Lu, Maohua, San Jose, CA, Pease, David A., Redwood Estates, CA, and Sharma, Anurag, Mountain View, CA, for a “optimized data placement for individual file accesses on deduplication-enabled sequential storage systems.

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”Data deduplication for data storage tapes comprises determining the read throughput of a deduplicated set of individual files on a single data storage tape, and determining a placement of deduplicated file data on a single data storage tape to reduce an average number of per-file gaps on the tape. Deduplicated file data is placed on the single data storage tape based on said placement to increase an average read throughput for a deduplicated set of individual files.

The patent application was filed on June 29, 2012 (13/537,851).

Replication of tape cartridge data
International Business Machines Corporation, Armonk, NY, has been assigned a patent (9,208,818) developed by Freitag, Bernd, Partenheim, Germany, and Krick, Frank, Ockenheim, Germany, for a “replication of tape cartridge data.

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”Embodiments of the present invention disclose methods, computer program products, and systems for replicating data stored on a tape cartridge on one or more computing devices. In one embodiment, initiation of a replication sequence begins in response to at least one of: receiving a manual prompt of a user, loading of a first tape cartridge to be replicated into a first tape drive, receiving a request from a backup program, or occurrence of a predetermined time. When priming a first tape cartridge for writing of data, the first tape cartridge is configured for replication to a second tape cartridge. After loading the first tape cartridge into a first tape drive, data stored on the first tape cartridge can be directly transmitted from the first tape drive to a second tape drive in which the second tape cartridge is loaded without using an intermediate host computer system to facilitate data transfer.

The patent application was filed on June 30, 2015 (14/755,115).

Magnetic head and system having offset arrays
International Business Machines Corporation, Armonk, NY, has been assigned a patent (9,208,809) developed by Biskeborn, Robert G., Hollister, CA, Herget, Philipp, San Jose, CA, and Lo, Calvin S., Saratoga, CA, for a “magnetic head and system having offset arrays.

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”In one general embodiment, an apparatus includes at least two modules, each of the modules having an array of transducers, wherein the at least two modules are fixed relative to each other, wherein an axis of each array is defined between opposite ends thereof, wherein the axes of the arrays are oriented about parallel to each other, wherein the array of a first of the modules is offset from the array of a second of the modules in a first direction parallel to the axis of the array of the second module such that the transducers of the first module are about aligned with the transducers of the second module in an intended direction of tape travel thereacross, and a mechanism for orienting the modules about an axis orthogonal to the plane in which the arrays reside to control a transducer pitch presented to a tape.

The patent application was filed on May 1, 2013 (13/875,226).

Dynamic tape storage library for data management
International Business Machines Corporation, Armonk, NY, has been assigned a patent (9,202,507) developed by Krick, Frank, Ockenheim, Germany, Muehge, Thorsten, Budenheim, Germany, Rueger, Erik, Ockenheim, Germany, and Wendler, Daniel P., Schlangenbad, Germany, for a “dynamic tape storage library for data management.

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”Embodiments of the present invention provides systems for a tape library shelf. In one embodiment, a tape library shelf is disclosed including a chassis, which contains tape cartridge slots for storing one or more tape cartridges. The tape library shelf includes at least one tape drive module, a control unit, and a moving device coupled to the chassis. The moving device is operatively connected to the control unit to move the chassis according to instructions received from the control unit.

The patent application was filed on September 17, 2014 (14/488,338).

End-to end data protection supporting multiple CRC algorithms
International Business Machines Corporation, Armonk, NY, has been assigned a patent (9,201,724) developed by Butt, Kevin D., and Seger, Paul J., Tucson, AZ, for a “end-to end data protection supporting multiple CRC algorithms.

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A technique for providing end-to-end data protection while supporting multiple cyclic-redundancy-check, (CRC) algorithms includes receiving a data block protected by a first CRC. The first CRC is generated using a first CRC algorithm. The integrity of the data block is checked using the first CRC and the first CRC algorithm. A second CRC for the data block is then computed using a second CRC algorithm different from the first CRC algorithm. The data block, first CRC, and second CRC are stored on a storage medium, such as magnetic tape.

The patent application was filed on April 30, 2012 (13/459,417).

Load balancing and space efficient big data tape management
International Business Machines Corporation, Armonk, NY, has been assigned a patent (9,202,485) developed by Krick, Frank, Ockenheim, Germany, Muehge, Thorsten, Budenheim, Germany, Rueger, Erik, Ockenheim, Germany, and Wendler, Daniel, Schlangenbad, Germany, for a “load balancing and space efficient big data tape management.

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A tool for movement of a tape from a first tape library to a second tape library retrieving one or more tapes from one or more tape library frames in the first tape library. The tool inserts the one or more tapes into a passing tunnel module in the one or more tape library frames in the first tape library. The tool transfers the one or more tapes from the passing tunnel module in the one or more tape library frames in the first tape library to a passing tunnel module in one or more tape library frames in the second tape library.

The patent application was filed on June 1, 2015 (14/726,946).

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