Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6148368 | Method for accelerating disk array write operations using segmented cache memory and data logging | — | 2000-11-14 |
| 6108684 | Methods and apparatus for balancing loads on a storage subsystem among a plurality of controllers | Gerald J. Fredin, Charles Binford | 2000-08-22 |
| 6085333 | Method and apparatus for synchronization of code in redundant controllers in a swappable environment | Dale L. Harris, Donald R. Humlicek, John V. Sherman, Timothy Snider | 2000-07-04 |
| 6073218 | Methods and apparatus for coordinating shared multiple raid controller access to common storage devices | Gerald J. Fredin | 2000-06-06 |
| 6067635 | Preservation of data integrity in a raid storage device | Donald R. Humlicek, Max L. Johnson, Curtis W. Rink | 2000-05-23 |
| 6055228 | Methods and apparatus for dynamic topology configuration in a daisy-chained communication environment | Charles Binford, Jeremy Stover | 2000-04-25 |
| 6009275 | Centralized management of resources shared by multiple processing units | Timothy E. Hoglund | 1999-12-28 |
| 5975738 | Method for detecting failure in redundant controllers using a private LUN | Gerald J. Fredin, Charles Binford | 1999-11-02 |
| 5974502 | Apparatus and method for analyzing and modifying data transfer reguests in a raid system | Donald R. Humlicek, Curtis W. Rink | 1999-10-26 |
| 5941994 | Technique for sharing hot spare drives among multiple subsystems | Gerald J. Fredin | 1999-08-24 |
| 5933824 | Methods and apparatus for locking files within a clustered storage environment | Gerald J. Fredin | 1999-08-03 |
| 5883909 | Method and apparatus for reducing data transfers across a memory bus of a disk array controller | Dennis E. Gates, Charles Binford | 1999-03-16 |
| 5860091 | Method and apparatus for efficient management of non-aligned I/O write request in high bandwidth raid applications | Gerald J. Fredin | 1999-01-12 |
| 5790773 | Method and apparatus for generating snapshot copies for data backup in a raid subsystem | Donald R. Humlicek | 1998-08-04 |
| 5787242 | Method and apparatus for treatment of deferred write data for a dead raid device | Donald R. Humlicek, Max L. Johnson | 1998-07-28 |
| 5778426 | Methods and structure to maintain a two level cache in a RAID controller and thereby selecting a preferred posting method | Donald R. Humlicek, Max L. Johnson, Curtis W. Rink | 1998-07-07 |
| 5761705 | Methods and structure for maintaining cache consistency in a RAID controller having redundant caches | Donald R. Humlicek, Max L. Johnson | 1998-06-02 |
| 5742752 | Method for performing a RAID stripe write operation using a drive XOR command set | — | 1998-04-21 |
| 5634033 | Disk array storage system architecture for parity operations simultaneous with other data operations | John W. Stewart, Dennis E. Gates, Curtis W. Rink | 1997-05-27 |
| 5588110 | Method for transferring data between two devices that insures data recovery in the event of a fault | Donald R. Humlicek, Max L. Johnson | 1996-12-24 |