Patent | Date |
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Method, system, and article of manufacture for mirroring data at storage locations Grant 8,209,282 - Kern , et al. June 26, 2 | 2012-06-26 |
System and article of manufacture for mirroring data at storage locations Grant 8,027,952 - Kern , et al. September 27, 2 | 2011-09-27 |
Using multiple sidefiles to buffer writes to primary storage volumes to transfer to corresponding secondary storage volumes in a mirror relationship Grant 7,930,497 - Crockett , et al. April 19, 2 | 2011-04-19 |
Method, system, and article of manufacture for remote copying of data Grant 7,921,273 - Stanley , et al. April 5, 2 | 2011-04-05 |
System and article of manufacture for consistent copying of storage volumes Grant 7,904,684 - Werner , et al. March 8, 2 | 2011-03-08 |
Restricting the execution of copy services commands Grant 7,873,864 - Benhase , et al. January 18, 2 | 2011-01-18 |
Data protection in storage systems Grant 7,761,732 - Kern , et al. July 20, 2 | 2010-07-20 |
Incremental update control for remote copy Grant 7,747,576 - Micka June 29, 2 | 2010-06-29 |
Method, system and program for forming a consistency group Grant 7,734,883 - Spear , et al. June 8, 2 | 2010-06-08 |
Maintain owning application information of data for a data storage system Grant 7,613,888 - Boyd , et al. November 3, 2 | 2009-11-03 |
Maintain owning application information of data for a data storage system Grant 7,610,459 - Boyd , et al. October 27, 2 | 2009-10-27 |
Remote copying of updates to primary and secondary storage locations subject to a copy relationship Grant 7,603,581 - Boyd , et al. October 13, 2 | 2009-10-13 |
Control of information units in fibre channel communications Grant 7,587,528 - Hathorn , et al. September 8, 2 | 2009-09-08 |
Method, system, and program for improved throughput in remote mirroring systems Grant 7,581,063 - Factor , et al. August 25, 2 | 2009-08-25 |
Consistent updates across storage subsystems coupled to a plurality of primary and secondary units at selected times Grant 7,571,268 - Kern , et al. August 4, 2 | 2009-08-04 |
Using Multiple Sidefiles To Buffer Writes To Primary Storage Volumes To Transfer To Corresponding Secondary Storage Volumes In A Mirror Relationship App 20090182960 - Crockett; Robert Nelson ;   et al. | 2009-07-16 |
Maintaining consistency when mirroring data using different copy technologies Grant 7,552,295 - Kern , et al. June 23, 2 | 2009-06-23 |
System And Article Of Manufacture For Consistent Copying Of Storage Volumes App 20090144345 - Werner; Sam Clark ;   et al. | 2009-06-04 |
Method, system, and program for maintaining a copy relationship between primary volumes and corresponding secondary volumes Grant 7,523,275 - Zlotnick , et al. April 21, 2 | 2009-04-21 |
Control Of Information Units In Fibre Channel Communications App 20090083447 - Hathorn; Roger Gregory ;   et al. | 2009-03-26 |
Control of information units in fibre channel communications Grant 7,500,030 - Hathorn , et al. March 3, 2 | 2009-03-03 |
Method and apparatus using attached hardware subsystem to communicate between attached hosts Grant 7,480,697 - Perry , et al. January 20, 2 | 2009-01-20 |
System And Article Of Manufacture For Mirroring Data At Storage Locations App 20090019096 - Kern; Robert Frederic ;   et al. | 2009-01-15 |
Method, System, And Article Of Manufacture For Mirroring Data At Storage Locations App 20090013014 - Kern; Robert Frederic ;   et al. | 2009-01-08 |
Method for consistent copying of storage volumes Grant 7,475,208 - Werner , et al. January 6, 2 | 2009-01-06 |
Method for mirroring data at storage locations Grant 7,467,168 - Kern , et al. December 16, 2 | 2008-12-16 |
Restricting The Execution Of Copy Services Commands App 20080294861 - Benhase; Michael Thomas ;   et al. | 2008-11-27 |
Maintain Owning Application Information Of Data For A Data Storage System App 20080256310 - Boyd; Kenneth Wayne ;   et al. | 2008-10-16 |
Maintain Owning Application Information Of Data For A Data Storage System App 20080256309 - Boyd; Kenneth Wayne ;   et al. | 2008-10-16 |
Restricting the execution of copy services commands Grant 7,415,628 - Benhase , et al. August 19, 2 | 2008-08-19 |
Instant virtual copy to a primary mirroring portion of data Grant 7,409,510 - Werner , et al. August 5, 2 | 2008-08-05 |
Control Of Information Units In Fibre Channel Communications App 20080123681 - Hathorn; Roger Gregory ;   et al. | 2008-05-29 |
Method, System, And Article Of Manufacture For Remote Copying Of Data App 20080021974 - Stanley; Warren K. ;   et al. | 2008-01-24 |
Consistent updates across storage subsystems App 20070239950 - Kern; Robert Frederic ;   et al. | 2007-10-11 |
Remote copying of updates to primary and secondary storage locations subject to a copy relationship App 20070220223 - Boyd; Kenneth Wayne ;   et al. | 2007-09-20 |
Method, system, and article of manufacture for remote copying of data Grant 7,266,665 - Stanley , et al. September 4, 2 | 2007-09-04 |
Data protection in storage systems App 20070168707 - Kern; Robert Frederic ;   et al. | 2007-07-19 |
Maintaining consistency when mirroring data using different copy technologies App 20070156983 - Kern; Robert Frederic ;   et al. | 2007-07-05 |
Apparatus, system, and method for synchronizing an asynchronous mirror volume using a synchronous mirror volume Grant 7,225,307 - Micka , et al. May 29, 2 | 2007-05-29 |
Method, system, and program for mirroring data among storage sites Grant 7,188,222 - Micka , et al. March 6, 2 | 2007-03-06 |
Method, system, and article of manufacture for generating a copy of a first and a second set of volumes in a third set of volumes Grant 7,185,157 - Micka , et al. February 27, 2 | 2007-02-27 |
Method, System And Program For Forming A Consistency Group App 20070028065 - Spear; Gail Andrea ;   et al. | 2007-02-01 |
Method, System, And Article Of Manufacture For Consistent Copying Of Storage Volumes App 20070022267 - Werner; Sam Clark ;   et al. | 2007-01-25 |
Method, system, and program for providing a mirror copy of data Grant 7,134,044 - Day, III , et al. November 7, 2 | 2006-11-07 |
Method, system, and program for asynchronous copy Grant 7,133,983 - Bartfai , et al. November 7, 2 | 2006-11-07 |
Method, system, and program for forming a consistency group Grant 7,133,986 - Spear , et al. November 7, 2 | 2006-11-07 |
Method, system, and article of manufacture for consistent copying of storage volumes Grant 7,133,982 - Werner , et al. November 7, 2 | 2006-11-07 |
Point in time copy between data storage systems Grant 7,133,989 - Burton , et al. November 7, 2 | 2006-11-07 |
Method, system, and program for mirroring data between sites Grant 7,111,004 - Beardsley , et al. September 19, 2 | 2006-09-19 |
Method, system, and article of manufacture for creating a consistent copy Grant 7,089,446 - Boyd , et al. August 8, 2 | 2006-08-08 |
Method, system, and program for managing information on relationships between target volumes and source volumes when performing adding, withdrawing, and disaster recovery operations for the relationships Grant 7,047,378 - Factor , et al. May 16, 2 | 2006-05-16 |
Method, system, and program for managing a relationship between one target volume and one source volume Grant 7,047,390 - Factor , et al. May 16, 2 | 2006-05-16 |
Autonomic link optimization through elimination of unnecessary transfers Grant 7,047,379 - Boyd , et al. May 16, 2 | 2006-05-16 |
Method, system, and program for policies for improving throughput in remote mirroring systems Grant 7,035,978 - Factor , et al. April 25, 2 | 2006-04-25 |
Method, system, and program for establishing and using a point-in-time copy relationship Grant 7,024,530 - Jarvis , et al. April 4, 2 | 2006-04-04 |
Method, system, and article of manufacture for maintaining data integrity Grant 7,024,584 - Boyd , et al. April 4, 2 | 2006-04-04 |
Method, system, and program for reverse restore of an incremental virtual copy Grant 7,000,145 - Werner , et al. February 14, 2 | 2006-02-14 |
Method, system, and program for improved throughput in remote mirroring systems Grant 6,996,688 - Factor , et al. February 7, 2 | 2006-02-07 |
Method, system, and article for incremental virtual copy of a data block Grant 6,996,586 - Stanley , et al. February 7, 2 | 2006-02-07 |
Apparatus, system, and method for synchronizing an asynchronous mirror volume using a synchronous mirror volume App 20050251633 - Micka, William Frank ;   et al. | 2005-11-10 |
Point in time copy between data storage systems App 20050251634 - Burton, Helena Cornelia ;   et al. | 2005-11-10 |
Method, system, and program for improved throughput in remote mirroring systems App 20050228954 - Factor, Michael E. ;   et al. | 2005-10-13 |
Method, system, and article of manufacture for copying of data in a romote storage unit App 20050216681 - Micka, William Frank ;   et al. | 2005-09-29 |
Restricting the execution of copy services commands App 20050188251 - Benhase, Michael Thomas ;   et al. | 2005-08-25 |
Method, system, and program for asynchronous copy App 20050071586 - Bartfai, Robert Francis ;   et al. | 2005-03-31 |
Method, system, and program for mirroring data among storage sites App 20050071710 - Micka, William Frank ;   et al. | 2005-03-31 |
Method, system, and program for forming a consistency group App 20050071588 - Spear, Gail Andrea ;   et al. | 2005-03-31 |
Global status journaling in NVS Grant 6,854,038 - Micka , et al. February 8, 2 | 2005-02-08 |
Autonomic link optimization through elimination of unnecessary transfers App 20050010732 - Boyd, Kenneth Wayne ;   et al. | 2005-01-13 |
Adjusting timestamps to preserve update timing information for cached data objects Grant 6,842,825 - Geiner , et al. January 11, 2 | 2005-01-11 |
Synchronization and resynchronization of loosely-coupled copy operations between a primary and a remote secondary DASD volume under concurrent updating Grant 6,842,834 - Crockett , et al. January 11, 2 | 2005-01-11 |
Method, system, and article of manufacture for remote copying of data App 20040260902 - Stanley, Warren K. ;   et al. | 2004-12-23 |
Method, system, and article of manufacture for consistent copying of storage volumes App 20040260896 - Werner, Sam Clark ;   et al. | 2004-12-23 |
Method, system, and program for managing a relationship between one target volume and one source volume App 20040260869 - Factor, Michael E. ;   et al. | 2004-12-23 |
Method, system, and program for mirroring data at storage locations App 20040260736 - Kern, Robert Frederic ;   et al. | 2004-12-23 |
Method, system, and program for mirroring data between sites App 20040260970 - Beardsley, Brent Cameron ;   et al. | 2004-12-23 |
Method, system, and program for managing information on relationships between target volumes and source volumes when performing adding, withdrawing, and disaster recovery operations for the relationships App 20040260870 - Factor, Michael E. ;   et al. | 2004-12-23 |
Method, system, and program for incremental virtual copy App 20040260898 - Stanley, Warren K. ;   et al. | 2004-12-23 |
Method, system, and program for reverse restore of an incremental virtual copy App 20040260895 - Werner, Sam Clark ;   et al. | 2004-12-23 |
Method, system, and program for maintaining a copy relationship between primary volumes and corresponding secondary volumes App 20040205312 - Zlotnick, Aviad ;   et al. | 2004-10-14 |
Method, system, and program for policies for improving throughput in remote mirroring systems App 20040181632 - Factor, Michael E. ;   et al. | 2004-09-16 |
Method, system, and program for improved throughput in remote mirroring systems App 20040181640 - Factor, Michael E. ;   et al. | 2004-09-16 |
Method, system, and program for establishing and using a point-in-time copy relationship App 20040181639 - Jarvis, Thomas Charles ;   et al. | 2004-09-16 |
Method, system, and article of manufacture for maintaining data integrity App 20040139367 - Boyd, Kenneth Wayne ;   et al. | 2004-07-15 |
Method, system, and article of manufacture for creating a consistent copy App 20040139366 - Boyd, Kenneth Wayne ;   et al. | 2004-07-15 |
Method, system, and program for providing a mirror copy of data App 20040034808 - Day, Kenneth Fairclough III ;   et al. | 2004-02-19 |
Adjusting timestamps to preserve update timing information for cached data objects App 20040030837 - Geiner, Robert Vaughn ;   et al. | 2004-02-12 |
Method and apparatus using attached hardware subsystem to communicate between attached hosts App 20030236910 - Perry, Larry Richard ;   et al. | 2003-12-25 |
Global status journaling in NVS App 20030229754 - Micka, William Frank ;   et al. | 2003-12-11 |
Synchronization and resynchronization of loosely-coupled copy operations between a primary and a remote secondary DASD volume under concurrent updating App 20030177322 - Crockett, Robert Nelson ;   et al. | 2003-09-18 |
Method, system, and program for maintaining electronic data as of a point-in-time Grant 6,611,901 - Micka , et al. August 26, 2 | 2003-08-26 |
Incremental update control for remote copy App 20030158869 - Micka, William Frank | 2003-08-21 |
Method, system, and program for discarding data in a storage system where updates to a primary storage device are shadowed in a secondary storage device Grant 6,587,933 - Crockett , et al. July 1, 2 | 2003-07-01 |
Synchronization and resynchronization of loosely-coupled copy operations between a primary and a remote secondary DASD volume under concurrent updating Grant 6,578,120 - Crockett , et al. June 10, 2 | 2003-06-10 |
Method, system, and program for logically erasing data Grant 6,564,307 - Micka , et al. May 13, 2 | 2003-05-13 |
Data storage subsystem with fairness-driven update blocking Grant 6,487,645 - Clark , et al. November 26, 2 | 2002-11-26 |
Method, system, and program for discarding data in a storage system where uptdates to a primary storage device are shadowed in a secondary storage device App 20020103980 - Crockett, Robert Nelson ;   et al. | 2002-08-01 |
Host storage management control of outboard data movement Grant 6,393,537 - Kern , et al. May 21, 2 | 2002-05-21 |
Peer-to-peer backup system with failure-triggered device switching honoring reservation of primary device Grant 6,304,980 - Beardsley , et al. October 16, 2 | 2001-10-16 |
Method and system for sidefile status polling in a time zero backup copy process Grant RE37,364 - Cohn , et al. September 11, 2 | 2001-09-11 |
Host storage management control of outboard data movement using push-pull operations Grant 6,247,103 - Kern , et al. June 12, 2 | 2001-06-12 |
Data storage system with outboard physical data transfer operation utilizing data path distinct from host Grant 6,202,124 - Kern , et al. March 13, 2 | 2001-03-13 |
Database backup system ensuring consistency between primary and mirrored backup database copies despite backup interruption Grant 6,199,074 - Kern , et al. March 6, 2 | 2001-03-06 |
Data copy between peer-to-peer controllers Grant 6,189,079 - Micka , et al. February 13, 2 | 2001-02-13 |
Method and system for automated termination and resumption in a time zero backup copy process Grant RE37,038 - Eastridge , et al. January 30, 2 | 2001-01-30 |
Apparatus and method for allowing existing ECKD MVS DASD using an ESCON interface to be used by an open storage using SCSI-type interface Grant 6,173,360 - Beardsley , et al. January 9, 2 | 2001-01-09 |
Storage system employing universal timer for peer-to-peer asynchronous maintenance of consistent mirrored storage Grant 6,148,383 - Micka , et al. November 14, 2 | 2000-11-14 |
Method and means for bidirectional peer-coupled communication across a single ESCON interface Grant 5,920,695 - Hathorn , et al. July 6, 1 | 1999-07-06 |
Target DASD controlled data migration move Grant 5,835,954 - Duyanovich , et al. November 10, 1 | 1998-11-10 |
Forming consistency groups using self-describing record sets for remote data duplexing Grant 5,734,818 - Kern , et al. March 31, 1 | 1998-03-31 |
Asynchronously shadowing record updates in a remote copy session using track arrays Grant 5,720,029 - Kern , et al. February 17, 1 | 1998-02-17 |
Method and apparatus for suspending multiple duplex pairs during back up processing to insure storage devices remain synchronized in a sequence consistent order Grant 5,692,155 - Iskiyan , et al. November 25, 1 | 1997-11-25 |
Asynchronous remote data copying using subsystem to subsystem communication Grant 5,657,440 - Micka , et al. August 12, 1 | 1997-08-12 |
Data backup copying with delayed directory updating and reduced numbers of DASD accesses at a back up site using a log structured array data storage Grant 5,555,371 - Duyanovich , et al. September 10, 1 | 1996-09-10 |
High speed real time image transformation Grant 4,052,699 - Micka , et al. October 4, 1 | 1977-10-04 |