| Patent Number |
Title Of Patent |
Date Issued |
| 7555002 |
Infiniband general services queue pair virtualization for multiple logical ports on a single phy |
June 30, 2009 |
| An aliased queue pair is provided within a logically partitioned data processing system for each logical partition for the single general services management queue pair that exists within a physical host channel adapter. Packets intended for the logical ports are received at the phys |
| 7493409 |
Apparatus, system and method for implementing a generalized queue pair in a system area network |
February 17, 2009 |
| The present invention provides an apparatus, system and method for providing a generalized queue pair for use with host channel adapters of a system area network. With the apparatus, system and method, the hypervisor of a host channel adapter maintains a P_Key table for each logical |
| 7475209 |
Moving hardware context structures in memory while maintaining system operation |
January 6, 2009 |
| An adapter includes registers, a local context table, and logic that allows copying hardware context structures from a first location in memory to a second location in memory while the computer system continues to run. The local context table in the adapter is loaded with a desired b |
| 7428598 |
Infiniband multicast operation in an LPAR environment |
September 23, 2008 |
| A method, computer program product, and data processing system for providing system-area network (SAN) multicasting functionality in a logically partitioned (LPAR) data processing system in which a channel adapter is shared among a plurality of logical partitions is disclosed. A pref |
| 7330488 |
System, method, and article of manufacture for synchronizing time of day clocks on first and sec |
February 12, 2008 |
| A system, method, and article of manufacture for synchronizing first and second time-of-day clocks on first and second computers, respectively, are provided. The first and second computers have first and second network interface cards with third and fourth clocks, respectively, there |
| 7283473 |
Apparatus, system and method for providing multiple logical channel adapters within a single phy |
October 16, 2007 |
| An apparatus, system and method for providing multiple logical partitions in a system area network are provided Logical partitioning support is provided for host channel adapters which allows multiple operating systems to share the resources of a single physical host channel adapter |
| 7188198 |
Method for implementing dynamic virtual lane buffer reconfiguration |
March 6, 2007 |
| A method, apparatus and computer program product are provided for implementing dynamic Virtual Lane buffer reconfiguration in a channel adapter. A first register is provided for communicating an adapter buffer size and allocation capability for the channel adapter. At least one secon |
| 7010633 |
Apparatus, system and method for controlling access to facilities based on usage classes |
March 7, 2006 |
| An apparatus, system and method for controlling access to facilities based on usage class of a requestor are provided. With the apparatus, system and method, a two level protection mechanism is provided for protecting host channel adapter (HCA) facilities from unauthorized access. With t |
| 6684266 |
Storage area network (SAN) fibre channel arbitrated loop (FCAL) multi-system multi-resource stor |
January 27, 2004 |
| A storage area network (SAN) fibre channel arbitrated loop (FCAL) multiple system, multiple resource, storage enclosure and a method are provided for performing enclosure maintenance concurrent with device operations. The storage enclosure includes a plurality of storage resources or sto |
| 6601148 |
Infiniband memory windows management directly in hardware |
July 29, 2003 |
| A method, system and program for controlling access to memory areas within a computer are provided. The invention comprises placing a first Bind Work Queue Element (WQE) at the head of a work queue, wherein the first Bind WQE defines parameters associated with a first Memory Window. A se |
| 6578122 |
Using an access key to protect and point to regions in windows for infiniband |
June 10, 2003 |
| A method, system and program for controlling access to computer memory are provided. The present invention comprises receiving a work request from a user, wherein the work request comprises an index portion and a protection portion. The index portion of the work request is used to locate |
| 6324620 |
Dynamic DASD data management and partitioning based on access frequency utilization and capacity |
November 27, 2001 |
| Method and apparatus for managing data on DASD units to improve system performance comprises monitoring portions of data on a plurality of DASD units to determine the times the data is accessed within a given time period, and characterizing accessed data portions of a DASD unit as HOT |
| 6317747 |
Dedicated input/output processor method and apparatus for access and storage of compressed data |
November 13, 2001 |
| System control of compression and decompression of data based upon system aging parameters, such that compressed data becomes a system managed resource with a distinct place in the system storage hierarchy. Processor registers are backed by cache, which is backed by main storage, which i |
| 6092071 |
Dedicated input/output processor method and apparatus for access and storage of compressed data |
July 18, 2000 |
| System control of compression and decompression of data based upon system aging parameters, such that compressed data becomes a system managed resource with a distinct place in the system storage hierarchy. Processor registers are backed by cache, which is backed by main storage, which i |
| 5765204 |
Method and apparatus for adaptive localization of frequently accessed, randomly addressed data |
June 9, 1998 |
| A method and apparatus are provided for adaptive localization of frequently accessed, randomly addressed data in a direct access storage device (DASD) to achieve improved system access performance. At selected sampling intervals, a DASD storage controller analyzes data access patterns ba |
| 5684986 |
Embedded directory method and record for direct access storage device (DASD) data compression |
November 4, 1997 |
| An embedded directory record and method are provided for maintaining directory information for compressed data on a direct access storage device (DASD). The embedded directory record includes a plurality of page entries, a plurality of exception region entries and a plurality of comp |
| 5682499 |
Directory rebuild method and apparatus for maintaining and rebuilding directory information for |
October 28, 1997 |
| A method and apparatus for maintaining and rebuilding directory information for compressed data on a direct access storage device are provided. A directory of DASD compressed data is stored in the storage controller and directory information is periodically written to the DASD for compre |
| 5666560 |
Storage method and hierarchical padding structure for direct access storage device (DASD) data c |
September 9, 1997 |
| A data compression storage method and data compression hierarchical padding structure are provided for a direct access storage device (DASD) using fixed block architecture (FBA). A minimum page allocation defining a minimum number of sectors allocated for each logical compressed data pag |
