News Column

Patent Issued for Generation and Update of Storage Groups Constructed from Storage Devices Distributed in Storage Subsystems

May 27, 2014



By a News Reporter-Staff News Editor at Information Technology Newsweekly -- From Alexandria, Virginia, VerticalNews journalists report that a patent by the inventors Huber, Harold Steven (Tucson, AZ); Reed, David Charles (Tucson, AZ); Smith, Max Douglas (Tucson, AZ), filed on July 23, 2008, was published online on May 13, 2014.

The patent's assignee for patent number 8725966 is International Business Machines Corporation (Armonk, NY).

News editors obtained the following quote from the background information supplied by the inventors: "The disclosure relates to a method, system, and article of manufacture for the generation and update of storage groups constructed from storage devices distributed in storage subsystems.

"In certain system managed storage environments, storage administrators may manually set up and maintain storage classes, storage groups, data classes and management classes in order to assist in the management of the storage requirements of large storage systems. Additionally with storage subsystems becoming larger and larger and as customers move from one storage subsystem to another, the size and location of the volumes within a storage group may need to be adjusted. A significant number of personnel may have to be deployed to perform the manual adjustments needed for the management of a large storage system."

As a supplement to the background information on this patent, VerticalNews correspondents also obtained the inventors' summary information for this patent: "Provided are a method, a system, an article of manufacture, and a method for deploying computing infrastructure, wherein a plurality of storage subsystems and a plurality of storage devices are maintained, and wherein each storage subsystem includes at least one storage device of the plurality of storage devices. A plurality of storage groups is generated, wherein each storage group includes one or more storage devices selected from the plurality of storage devices, and wherein the one or more storage devices selected in each storage group are included in at least two different storage subsystems. The plurality of storage groups is adjusted based on: (a) usage statistics of data, wherein the usage statistics are stored in a log file; and (b) properties and organization of the data stored in a plurality of data structures.

"In certain embodiments, the at least two different subsystems comprise a first storage subsystem and a second storage subsystem. A primary data set is maintained in a storage group. A backup data set is maintained in the storage group, wherein the backup data set stores a copy of data stored in the primary data set, and wherein the primary data set is stored in the first storage subsystem and the backup data set is stored in the second storage subsystem.

"In certain additional embodiments, the adjusting of the plurality of storage groups is performed in response to: (i) addition of new storage devices in the plurality of storage subsystems; (ii) updated storage requirements indicated by a user; and (iii) an analysis of the log file that maintains the usage statistics, wherein the analysis of the log file provides an indication that the adjusting of the plurality of storage groups is desirable.

"In further embodiments, the adjusting of the plurality of storage groups further comprises: (i) changing an amount of storage space in the storage groups; (ii) adding or removing one or more selected storage devices from the storage groups; (iii) replacing at least one storage device in the storage groups; and (iv) adding new storage groups.

"In yet further embodiments, the plurality of data structures comprises storage management system constructs that include a plurality of storage classes, a plurality of data classes, and a plurality of management classes. A storage group is selected from the plurality of storage groups for the data to be written. The plurality of storage classes is generated from the log file, wherein a storage class provides at least a first indicator that indicates whether the data is critical. The plurality of data classes is generated from the log file, wherein a data class provides at least a second indicator that indicates whether the data is compressed. The plurality of management classes is generated from the log file, wherein a management class provides at least a third indicator that indicates whether the data is to be backed up."

For additional information on this patent, see: Huber, Harold Steven; Reed, David Charles; Smith, Max Douglas. Generation and Update of Storage Groups Constructed from Storage Devices Distributed in Storage Subsystems. U.S. Patent Number 8725966, filed July 23, 2008, and published online on May 13, 2014. Patent URL: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=20&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=984&f=G&l=50&co1=AND&d=PTXT&s1=20140513.PD.&OS=ISD/20140513&RS=ISD/20140513

Keywords for this news article include: Information Technology, Information and Data Architecture, International Business Machines Corporation.

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Source: Information Technology Newsweekly