| 6038639 |
Data file storage management system for snapshot copy operations |
John T. O'Brien, Michael Steven Milillo |
2000-03-14 |
| 5632012 |
Disk scrubbing system |
Alan R. Permut, George A. Rudeseal |
1997-05-20 |
| 5581724 |
Dynamically mapped data storage subsystem having multiple open destage cylinders and method of managing that subsystem |
George A. Rudeseal, Charles A. Milligan |
1996-12-03 |
| 5430855 |
Disk drive array memory system using nonuniform disk drives |
Robert Walsh, George A. Rudeseal |
1995-07-04 |
| 5410667 |
Data record copy system for a disk drive array data storage subsystem |
Charles A. Milligan, John T. O'Brien, George A. Rudeseal |
1995-04-25 |
| 5403639 |
File server having snapshot application data groups |
Jeffrey Steven Laughlin, Mogens H. Pedersen, Robert Raicer, George A. Rudeseal, Charles Patrick Schafer +2 more |
1995-04-04 |
| 5394532 |
Disk drive array memory system having instant format capability |
— |
1995-02-28 |
| 5379391 |
Method and apparatus to access data records in a cache memory by multiple virtual addresses |
John T. O'Brien |
1995-01-03 |
| 5371850 |
Interprocess message queue |
Robert C. Lynn, Bruce A. Mork |
1994-12-06 |
| 5329622 |
System for retrieval of a data record by buffering the record in segments and beginning transmission prior to the buffer obtaining the entire record |
Charles A. Milligan |
1994-07-12 |
| 5239659 |
Phantom duplex copy group apparatus for a disk drive array data storge subsystem |
George A. Rudeseal, Henry S. Ludlam |
1993-08-24 |
| 5210866 |
Incremental disk backup system for a dynamically mapped data storage subsystem |
Charles A. Milligan, George A. Rudeseal |
1993-05-11 |
| 5193184 |
Deleted data file space release system for a dynamically mapped virtual data storage subsystem |
George A. Rudeseal, Charles A. Milligan, Mogens H. Pedersen, John F. Kitchen, Henry S. Ludlam |
1993-03-09 |
| 5155835 |
Multilevel, hierarchical, dynamically mapped data storage subsystem |
— |
1992-10-13 |
| 5148537 |
Method and apparatus for effecting an intra-cache data transfer |
— |
1992-09-15 |