ANDREW D. WALLS

Person

SAN JOSE, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Proactive data placement in high density storage by a hybrid non-vo...
- Patent number 12,093,171
- Issue date Sep 17, 2024
- International Business Machines Corporation
- Roman Alexander Pletka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Workload based relief valve activation for hybrid controller archit...
- Patent number 11,762,569
- Issue date Sep 19, 2023
- International Business Machines Corporation
- Radu Ioan Stoica
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Triage of multi-plane read requests
- Patent number 11,756,644
- Issue date Sep 12, 2023
- International Business Machines Corporation
- Nikolaos Papandreou
- G11 - INFORMATION STORAGE
Information Patent Grant
Data placement in write cache architecture supporting read heat dat...
- Patent number 11,360,903
- Issue date Jun 14, 2022
- International Business Machines Corporation
- Roman Alexander Pletka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Performing sub-logical page write operations in non-volatile random...
- Patent number 11,301,170
- Issue date Apr 12, 2022
- International Business Machines Corporation
- Kevin E. Sallese
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hybrid read voltage calibration in non-volatile random access memory
- Patent number 11,264,103
- Issue date Mar 1, 2022
- International Business Machines Corporation
- Nikolaos Papandreou
- G11 - INFORMATION STORAGE
Information Patent Grant
Adapting memory block pool sizes using hybrid controllers
- Patent number 11,182,089
- Issue date Nov 23, 2021
- International Business Machines Corporation
- Roman Alexander Pletka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Increasing data read and/or write heat tracking resolution in stora...
- Patent number 11,151,053
- Issue date Oct 19, 2021
- International Business Machines Corporation
- Nikolas Ioannou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Metadata hardening and parity accumulation for log-structured arrays
- Patent number 11,042,437
- Issue date Jun 22, 2021
- International Business Machines Corporation
- Ioannis Koltsidas
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Non-volatile memory controller cache architecture with support for...
- Patent number 11,036,637
- Issue date Jun 15, 2021
- International Business Machines Corporation
- Charles J. Camp
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Metadata hardening and parity accumulation for log-structured arrays
- Patent number 11,036,580
- Issue date Jun 15, 2021
- International Business Machines Corporation
- Ioannis Koltsidas
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Block mode toggling using hybrid controllers
- Patent number 11,023,150
- Issue date Jun 1, 2021
- International Business Machines Corporation
- Roman Alexander Pletka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Techniques for improving deduplication efficiency in a storage syst...
- Patent number 11,016,940
- Issue date May 25, 2021
- International Business Machines Corporation
- Nikolas Ioannou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data placement in write cache architecture supporting read heat dat...
- Patent number 10,977,181
- Issue date Apr 13, 2021
- International Business Machines Corporation
- Roman Alexander Pletka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Page retirement in a NAND flash memory system
- Patent number 10,733,069
- Issue date Aug 4, 2020
- International Business Machines Corporation
- Charles J. Camp
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Raid array systems and operations using mapping information
- Patent number 10,628,054
- Issue date Apr 21, 2020
- International Business Machines Corporation
- Robert Galbraith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Buffered automated flash controller connected directly to processor...
- Patent number 10,573,392
- Issue date Feb 25, 2020
- International Business Machines Corporation
- James S. Fields
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Log-structured array (LSA) partial parity eviction and reassembly
- Patent number 10,540,231
- Issue date Jan 21, 2020
- International Business Machines Corporation
- Charles Camp
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
RAID array systems and operations using mapping information
- Patent number 10,528,272
- Issue date Jan 7, 2020
- International Business Machines Corporation
- Robert Galbraith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data storage system employing a hot spare to store and service acce...
- Patent number 10,459,808
- Issue date Oct 29, 2019
- International Business Machines Corporation
- Andrew D. Walls
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Metadata hardening and parity accumulation for log-structured arrays
- Patent number 10,437,670
- Issue date Oct 8, 2019
- International Business Machines Corporation
- Ioannis Koltsidas
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data protection techniques for a non-volatile memory array
- Patent number 10,417,088
- Issue date Sep 17, 2019
- Timothy J. Fisher
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Non-volatile memory controller cache architecture with support for...
- Patent number 10,387,317
- Issue date Aug 20, 2019
- International Business Machines Corporation
- Charles J. Camp
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Workload optimized data deduplication using ghost fingerprints
- Patent number 10,235,396
- Issue date Mar 19, 2019
- International Business Machines Corporation
- Nikolas Ioannou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data storage system selectively employing multiple data compression...
- Patent number 10,101,938
- Issue date Oct 16, 2018
- International Business Machines Corporation
- Charles J. Camp
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Raid 10 reads optimized for solid state drives
- Patent number 10,031,808
- Issue date Jul 24, 2018
- International Business Machines Corporation
- Michael T. Benhase
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Page retirement in a NAND flash memory system
- Patent number 9,952,795
- Issue date Apr 24, 2018
- International Business Machines Corporation
- Charles J. Camp
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Techniques for improving deduplication efficiency in a storage syst...
- Patent number 9,892,128
- Issue date Feb 13, 2018
- International Business Machines Corporation
- Nikolas Ioannou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Buffered automated flash controller connected directly to processor...
- Patent number 9,852,798
- Issue date Dec 26, 2017
- International Business Machines Corporation
- James S. Fields
- G11 - INFORMATION STORAGE
Information Patent Grant
Optimizing thin provisioning in a data storage system through selec...
- Patent number 9,785,575
- Issue date Oct 10, 2017
- International Business Machines Corporation
- Cheng-Chung Song
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
COMPRESSION TECHNIQUE FOR LOGICAL-TO-PHYSICAL TABLE ENTRIES
- Publication number 20240362168
- Publication date Oct 31, 2024
- International Business Machines Corporation
- Radu Ioan Stoica
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WRITE AND RETIRE PAGES IN QLC NAND BLOCKS
- Publication number 20240296085
- Publication date Sep 5, 2024
- International Business Machines Corporation
- Nikolaos Papandreou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PROACTIVE DATA PLACEMENT IN HIGH DENSITY STORAGE BY A HYBRID NON-VO...
- Publication number 20240256440
- Publication date Aug 1, 2024
- International Business Machines Corporation
- Roman Alexander PLETKA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TRIAGE OF MULTI-PLANE READ REQUESTS
- Publication number 20220415424
- Publication date Dec 29, 2022
- International Business Machines Corporation
- Nikolaos Papandreou
- G11 - INFORMATION STORAGE
Information Patent Application
PERFORMING SUB-LOGICAL PAGE WRITE OPERATIONS IN NON-VOLATILE RANDOM...
- Publication number 20210278996
- Publication date Sep 9, 2021
- International Business Machines Corporation
- Kevin E. Sallese
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA PLACEMENT IN WRITE CACHE ARCHITECTURE SUPPORTING READ HEAT DAT...
- Publication number 20210157735
- Publication date May 27, 2021
- International Business Machines Corporation
- Roman Alexander Pletka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WORKLOAD BASED RELIEF VALVE ACTIVATION FOR HYBRID CONTROLLER ARCHIT...
- Publication number 20210124488
- Publication date Apr 29, 2021
- International Business Machines Corporation
- Radu Ioan Stoica
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HYBRID READ VOLTAGE CALIBRATION IN NON-VOLATILE RANDOM ACCESS MEMORY
- Publication number 20210065813
- Publication date Mar 4, 2021
- International Business Machines Corporation
- Nikolaos Papandreou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INCREASING DATA HEAT TRACKING RESOLUTION IN STORAGE DEVICES HAVING...
- Publication number 20210042239
- Publication date Feb 11, 2021
- International Business Machines Corporation
- Nikolas Ioannou
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA PLACEMENT IN WRITE CACHE ARCHITECTURE SUPPORTING READ HEAT DAT...
- Publication number 20210011852
- Publication date Jan 14, 2021
- International Business Machines Corporation
- Roman Alexander Pletka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ADAPTING MEMORY BLOCK POOL SIZES USING HYBRID CONTROLLERS
- Publication number 20210004158
- Publication date Jan 7, 2021
- International Business Machines Corporation
- Roman Alexander Pletka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BLOCK MODE TOGGLING USING HYBRID CONTROLLERS
- Publication number 20210004159
- Publication date Jan 7, 2021
- International Business Machines Corporation
- Roman Alexander Pletka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TECHNIQUES FOR IMPROVING DEDUPLICATION EFFICIENCY IN A STORAGE SYST...
- Publication number 20200057814
- Publication date Feb 20, 2020
- International Business Machines Corporation
- NIKOLAS IOANNOU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PAGE RETIREMENT IN A NAND FLASH MEMORY SYSTEM
- Publication number 20200057702
- Publication date Feb 20, 2020
- International Business Machines Corporation
- CHARLES J. CAMP
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METADATA HARDENING AND PARITY ACCUMULATION FOR LOG-STRUCTURED ARRAYS
- Publication number 20190361772
- Publication date Nov 28, 2019
- International Business Machines Corporation
- Ioannis Koltsidas
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METADATA HARDENING AND PARITY ACCUMULATION FOR LOG-STRUCTURED ARRAYS
- Publication number 20190361771
- Publication date Nov 28, 2019
- International Business Machines Corporation
- Ioannis Koltsidas
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LOG-STRUCTURED ARRAY (LSA) PARTIAL PARITY EVICTION AND REASSEMBLY
- Publication number 20190310915
- Publication date Oct 10, 2019
- International Business Machines Corporation
- Charles CAMP
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
NON-VOLATILE MEMORY CONTROLLER CACHE ARCHITECTURE WITH SUPPORT FOR...
- Publication number 20190272232
- Publication date Sep 5, 2019
- International Business Machines Corporation
- Charles J. Camp
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TECHNIQUES FOR IMPROVING DEDUPLICATION EFFICIENCY IN A STORAGE SYST...
- Publication number 20190163764
- Publication date May 30, 2019
- International Business Machines Corporation
- NIKOLAS IOANNOU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PAGE RETIREMENT IN A NAND FLASH MEMORY SYSTEM
- Publication number 20190163592
- Publication date May 30, 2019
- International Business Machines Corporation
- CHARLES J. CAMP
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA PROTECTION TECHNIQUES FOR A NON-VOLATILE MEMORY ARRAY
- Publication number 20190138390
- Publication date May 9, 2019
- International Business Machines Corporation
- TIMOTHY J. FISHER
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Buffered Automated Flash Controller Connected Directly to Processor...
- Publication number 20180102173
- Publication date Apr 12, 2018
- International Business Machines Corporation
- James S. Fields
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WORKLOAD OPTIMIZED DATA DEDUPLICATION USING GHOST FINGERPRINTS
- Publication number 20180060367
- Publication date Mar 1, 2018
- International Business Machines Corporation
- NIKOLAS IOANNOU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
NON-VOLATILE MEMORY CONTROLLER CACHE ARCHITECTURE WITH SUPPORT FOR...
- Publication number 20170351614
- Publication date Dec 7, 2017
- International Business Machines Corporation
- Charles J. Camp
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TECHNIQUES FOR IMPROVING DEDUPLICATION EFFICIENCY IN A STORAGE SYST...
- Publication number 20170351698
- Publication date Dec 7, 2017
- International Business Machines Corporation
- NIKOLAS IOANNOU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA STORAGE SYSTEM EMPLOYING A HOT SPARE TO STORE AND SERVICE ACCE...
- Publication number 20170315884
- Publication date Nov 2, 2017
- International Business Machines Corporation
- Andrew D. Walls
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
EXPANDING EFFECTIVE STORAGE CAPACITY OF A DATA STORAGE SYSTEM WHILE...
- Publication number 20170097773
- Publication date Apr 6, 2017
- International Business Machines Corporation
- CHARLES J. CAMP
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Raid 10 Reads Optimized for Solid State Drives
- Publication number 20160292036
- Publication date Oct 6, 2016
- International Business Machines Corporation
- Michael T. Benhase
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Buffered Automated Flash Controller Connected Directly to Processor...
- Publication number 20160260491
- Publication date Sep 8, 2016
- International Business Machines Corporation
- James S. Fields
- G11 - INFORMATION STORAGE
Information Patent Application
RAID ARRAY SYSTEMS AND OPERATIONS USING MAPPING INFORMATION
- Publication number 20160246518
- Publication date Aug 25, 2016
- International Business Machines Corporation
- Robert Galbraith
- G06 - COMPUTING CALCULATING COUNTING

ANDREW D. WALLS

Person

Patents Grantslast 30 patents

Proactive data placement in high density storage by a hybrid non-vo...

Workload based relief valve activation for hybrid controller archit...

Triage of multi-plane read requests

Data placement in write cache architecture supporting read heat dat...

Performing sub-logical page write operations in non-volatile random...

Hybrid read voltage calibration in non-volatile random access memory

Adapting memory block pool sizes using hybrid controllers

Increasing data read and/or write heat tracking resolution in stora...

Metadata hardening and parity accumulation for log-structured arrays

Non-volatile memory controller cache architecture with support for...

Metadata hardening and parity accumulation for log-structured arrays

Block mode toggling using hybrid controllers

Techniques for improving deduplication efficiency in a storage syst...

Data placement in write cache architecture supporting read heat dat...

Page retirement in a NAND flash memory system

Raid array systems and operations using mapping information

Buffered automated flash controller connected directly to processor...

Log-structured array (LSA) partial parity eviction and reassembly

RAID array systems and operations using mapping information

Data storage system employing a hot spare to store and service acce...

Metadata hardening and parity accumulation for log-structured arrays

Data protection techniques for a non-volatile memory array

Non-volatile memory controller cache architecture with support for...

Workload optimized data deduplication using ghost fingerprints

Data storage system selectively employing multiple data compression...

Raid 10 reads optimized for solid state drives

Page retirement in a NAND flash memory system

Techniques for improving deduplication efficiency in a storage syst...

Buffered automated flash controller connected directly to processor...

Optimizing thin provisioning in a data storage system through selec...

Patents Applicationslast 30 patents

COMPRESSION TECHNIQUE FOR LOGICAL-TO-PHYSICAL TABLE ENTRIES

WRITE AND RETIRE PAGES IN QLC NAND BLOCKS

PROACTIVE DATA PLACEMENT IN HIGH DENSITY STORAGE BY A HYBRID NON-VO...

TRIAGE OF MULTI-PLANE READ REQUESTS

PERFORMING SUB-LOGICAL PAGE WRITE OPERATIONS IN NON-VOLATILE RANDOM...

DATA PLACEMENT IN WRITE CACHE ARCHITECTURE SUPPORTING READ HEAT DAT...

WORKLOAD BASED RELIEF VALVE ACTIVATION FOR HYBRID CONTROLLER ARCHIT...

HYBRID READ VOLTAGE CALIBRATION IN NON-VOLATILE RANDOM ACCESS MEMORY

INCREASING DATA HEAT TRACKING RESOLUTION IN STORAGE DEVICES HAVING...

DATA PLACEMENT IN WRITE CACHE ARCHITECTURE SUPPORTING READ HEAT DAT...

ADAPTING MEMORY BLOCK POOL SIZES USING HYBRID CONTROLLERS

BLOCK MODE TOGGLING USING HYBRID CONTROLLERS

TECHNIQUES FOR IMPROVING DEDUPLICATION EFFICIENCY IN A STORAGE SYST...

PAGE RETIREMENT IN A NAND FLASH MEMORY SYSTEM

METADATA HARDENING AND PARITY ACCUMULATION FOR LOG-STRUCTURED ARRAYS

METADATA HARDENING AND PARITY ACCUMULATION FOR LOG-STRUCTURED ARRAYS

LOG-STRUCTURED ARRAY (LSA) PARTIAL PARITY EVICTION AND REASSEMBLY

NON-VOLATILE MEMORY CONTROLLER CACHE ARCHITECTURE WITH SUPPORT FOR...

TECHNIQUES FOR IMPROVING DEDUPLICATION EFFICIENCY IN A STORAGE SYST...

PAGE RETIREMENT IN A NAND FLASH MEMORY SYSTEM

DATA PROTECTION TECHNIQUES FOR A NON-VOLATILE MEMORY ARRAY

Buffered Automated Flash Controller Connected Directly to Processor...

WORKLOAD OPTIMIZED DATA DEDUPLICATION USING GHOST FINGERPRINTS

NON-VOLATILE MEMORY CONTROLLER CACHE ARCHITECTURE WITH SUPPORT FOR...

TECHNIQUES FOR IMPROVING DEDUPLICATION EFFICIENCY IN A STORAGE SYST...

DATA STORAGE SYSTEM EMPLOYING A HOT SPARE TO STORE AND SERVICE ACCE...

EXPANDING EFFECTIVE STORAGE CAPACITY OF A DATA STORAGE SYSTEM WHILE...

Raid 10 Reads Optimized for Solid State Drives

Buffered Automated Flash Controller Connected Directly to Processor...

RAID ARRAY SYSTEMS AND OPERATIONS USING MAPPING INFORMATION