| 8215053 |
Method for improving seed germination efficiency |
— |
2012-07-10 |
| 7660953 |
Method and system for mirroring and archiving mass storage |
— |
2010-02-09 |
| 7434093 |
Dual channel restoration of data between primary and backup servers |
— |
2008-10-07 |
| 7398366 |
Tracking incremental changes in a mass storage system |
Michael R. Ohran |
2008-07-08 |
| 7296125 |
Preserving a snapshot of selected data of a mass storage system |
— |
2007-11-13 |
| 7107418 |
Method and system for mirroring and archiving mass storage |
— |
2006-09-12 |
| 6941490 |
Dual channel restoration of data between primary and backup servers |
— |
2005-09-06 |
| 6931502 |
Recovery of data using write request copies in delta queue |
Dan Price, Randall Johnson |
2005-08-16 |
| 6871271 |
Incrementally restoring a mass storage device to a prior state |
Michael R. Ohran |
2005-03-22 |
| 6609183 |
Method and system for mirroring and archiving mass storage |
— |
2003-08-19 |
| 6560617 |
Operation of a standby server to preserve data stored by a network server |
John M. Winger, David E. Green, Michael R. Ohran |
2003-05-06 |
| 6526487 |
Performing acknowledged operations on original and mirrored copies of data |
Dan Price, Randall Johnson |
2003-02-25 |
| 6397307 |
Method and system for mirroring and archiving mass storage |
— |
2002-05-28 |
| 6338126 |
Crash recovery without complete remirror |
Dan Price, Randall Johnson |
2002-01-08 |
| 6085298 |
Comparing mass storage devices through digests that are representative of stored data in order to minimize data transfer |
— |
2000-07-04 |
| 6073222 |
Using a virtual device to access data as it previously existed in a mass data storage system |
— |
2000-06-06 |
| 5978565 |
Method for rapid recovery from a network file server failure including method for operating co-standby servers |
Michael R. Ohran, David E. Green, John M. Winger |
1999-11-02 |
| 5835953 |
Backup system that takes a snapshot of the locations in a mass storage device that has been identified for updating prior to updating |
— |
1998-11-10 |
| 5812748 |
Method for improving recovery performance from hardware and software errors in a fault-tolerant computer system |
Richard N. Rollins, Michael R. Ohran, Wally Marsden |
1998-09-22 |
| 5649152 |
Method and system for providing a static snapshot of data stored on a mass storage system |
Michael R. Ohran |
1997-07-15 |