Inventor

Lokesh M. Gupta

Inventor

Tucson, AZ, US

Overview

2007–2021

Patent span

Physics

Primary field (CPC G)

Patents· 478 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary

G06FElectric digital data processing85%

H04LTransmission of digital information, e.g. telegraphic communication6%

G06NComputing arrangements based on specific computational models4%

G11CStatic stores2%

Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use1%

G11BInformation storage based on relative movement between record carrier and transducer1%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes0%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications0%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests0%

G06KGraphical data reading0%

PatentTitleYear

11,120,128Offloading processing of writes to determine malicious data from a first storage system to a second storage system2021 11,119,662Determining when to perform a data integrity check of copies of a data set using a machine learning module2021 11,119,660Determining when to replace a storage device by training a machine learning module2021 11,119,673Optimizing synchronous I/O for zHyperLink2021 11,119,663Determining when to perform a data integrity check of copies of a data set by training a machine learning module2021 11,119,850Determining when to perform error checking of a storage unit by using a machine learning module2021 11,119,851Determining when to perform error checking of a storage unit by training a machine learning module2021 11,099,743Determining when to replace a storage device using a machine learning module2021 11,093,395Adjusting insertion points used to determine locations in a cache list at which to indicate tracks based on number of tracks added at insertion points2021 11,093,156Using storage access statistics to determine mirrored extents to migrate from a primary storage system and a secondary storage system to a third storage system2021 11,093,399Selecting resources to make available in local queues for processors to use2021 11,086,784Invalidating track format information for tracks in cache2021 11,086,535Thin provisioning using cloud based ranks2021 11,080,622Determining sectors of a track to stage into cache by training a machine learning module2021 11,080,397Using trap cache segments to detect malicious processes2021 11,080,149Restore current version of a track from a non-volatile storage into a new location in cache2021 11,074,118Reporting incidents of data loss in RAID arrays2021 11,074,197Integration of application indicated minimum time to cache and maximum time to cache to least recently used track demoting schemes in a cache management system of a storage controller2021 11,074,185Adjusting a number of insertion points used to determine locations in a cache list at which to indicate tracks2021 11,068,417Allocation of cache storage among applications that indicate minimum retention time for tracks in least recently used demoting schemes2021 11,068,413Allocation of cache storage among applications based on application priority and minimum retention time for tracks in least recently used demoting schemes2021 11,068,418Determining memory access categories for tasks coded in a computer program2021 11,068,415Using insertion points to determine locations in a cache list at which to move processed tracks2021 11,062,232Determining sectors of a track to stage into cache using a machine learning module2021 11,061,784Monitoring correctable errors on a bus interface to determine whether to redirect input/output request (I/O) traffic to another bus interface2021 11,061,828Using multi-tiered cache to satisfy input/output requests2021 11,061,826Integration of application indicated minimum time to cache to least recently used track demoting schemes in a cache management system of a storage controller2021 11,055,013Recovering from data loss using copy services relationships between volumes2021 11,055,234Managing allocation and demotion of cache segments between a global queue and a plurality of local queues by training a machine learning module2021 11,054,994Copy source to target management in a data storage system2021 11,048,631Maintaining cache hit ratios for insertion points into a cache list to optimize memory allocation to a cache2021 11,048,667Data re-MRU to improve asynchronous data replication performance2021 11,049,570Dynamic writes-per-day adjustment for storage drives2021 11,048,641Managing allocation and demotion of cache segments between a global queue and a plurality of local queues by using a machine learning module2021 11,042,636Using trap storage units to detect malicious processes2021 11,036,641Invalidating track format information for tracks demoted from cache2021 11,036,635Selecting resources to make available in local queues for processors to use2021 11,029,849Handling cache and non-volatile storage (NVS) out of sync writes2021 11,030,116Processing cache miss rates to determine memory space to add to an active cache to reduce a cache miss rate for the active cache2021 11,030,104Picket fence staging in a multi-tier cache2021 11,023,029Preventing unexpected power-up failures of hardware components2021 11,023,383Cache management based on types of I/O operations2021 11,025,518Communicating health status when a management console is unavailable2021 11,016,692Dynamically switching between memory copy and memory mapping to optimize I/O performance2021 11,016,851Determine recovery mechanism in a storage system by training a machine learning module2021 11,010,248Reuse of resources in a storage controller for executing write commands over a plurality of interfaces2021 11,010,295Asynchronous update of metadata tracks in response to a cache hit generated via an i/o operation over a bus interface2021 11,003,777Determining a frequency at which to execute trap code in an execution path of a process executing a program to generate a trap address range to detect potential malicious code2021 11,003,496Performance-based multi-mode task dispatching in a multi-processor core system for high temperature avoidance2021 10,996,891Token management for write commands transmitted by a host over a plurality of interfaces to a storage controller2021 10,990,481Using alternate recovery actions for initial recovery actions in a computing system2021 10,983,922Selecting one of multiple cache eviction algorithms to use to evict a track from the cache using a machine learning module2021 10,983,885Recovering storage devices in a storage array having errors2021 10,983,913Securing exclusive access to a copy of a metadata track via a process while the metadata track is held in a shared mode by another process2021 10,983,836Transaction optimization during periods of peak activity2021 10,976,941Validation of storage volumes that are in a peer to peer remote copy relationship2021 10,976,940Copy source to target management in a data storage system2021 10,970,209Destaging metadata tracks from cache2021 10,963,386Dynamically determining tracks to prestage from storage to cache by training a machine learning module2021 10,956,046Dynamic I/O load balancing for zHyperLink2021 10,956,322Storage drive dependent track removal in a cache for storage2021 10,949,277Monitoring correctable errors on a bus interface to determine whether to redirect input/output (I/O) traffic from a first processing unit to a second processing unit2021 10,949,366Using a machine learning module to select a priority queue from which to process an input/output (I/O) request2021 10,949,354Distributed safe data commit in a data storage system2021 10,942,857Dynamically adjusting a number of memory copy and memory mapping windows to optimize I/O performance2021 10,929,037Converting a RAID to a more robust RAID level2021 10,929,057Selecting a disconnect from different types of channel disconnects using a machine learning module2021 10,929,034Allocation of task control blocks in a storage controller for staging and destaging based on storage rank response time2021 10,915,462Destaging pinned retryable data in cache2021 10,901,904Using a machine learning module to perform destages of tracks with holes in a storage system2021 10,901,916Managing indication of accessed tracks in cache to a most recently used end of a cache list based on accesses to different regions of the cache list2021 10,901,793Determining whether to process a host request using a machine learning module2021 10,891,227Determining modified tracks to destage during a cache scan2021 10,884,849Mirroring information on modified data from a primary storage controller to a secondary storage controller for the secondary storage controller to use to calculate parity data2021 10,884,936Updating a track format table used to provide track format codes for cache control blocks with more frequently accessed track format metadata2021 10,866,752Reclaiming storage space in raids made up of heterogeneous storage drives2020 10,866,901Invalidating CKD data tracks prior to unpinning, wherein upon destaging invalid track image from cache to a track of data on storage drive, the track of data on the storage drive is unpinned which enables destages of data from the cache to the track of data on the storage drive going forward2020 10,841,395Populating a secondary cache with unmodified tracks in a primary cache when redirecting host access from a primary server to a secondary server2020 10,831,668Detection and prevention of deadlock in a storage controller for cache access via a plurality of demote mechanisms2020 10,831,559Processor thread management2020 10,834,188Distribution of data in cloud storage based on policies maintained in metadata2020 10,831,665Preservation of modified cache data in local non-volatile storage following a failover2020 10,831,597Receiving, at a secondary storage controller, information on modified data from a primary storage controller to use to calculate parity data2020 10,810,304Injecting trap code in an execution path of a process executing a program to generate a trap address range to detect potential malicious code2020 10,809,938Synchronized safe data commit scans in multiple data storage systems2020 10,802,930Determining a recovery mechanism in a storage system using a machine learning module2020 10,795,602Selectively destaging data updates from write caches across data storage locations2020 10,783,087Selecting one of multiple cache eviction algorithms to use to evict a track from the cache using a machine learning module2020 10,783,049Virtual storage drive management in a data storage system2020 10,776,013Performing workload balancing of tracks in storage areas assigned to processing units2020 10,768,822Increasing storage capacity in heterogeneous storage arrays2020 10,761,744Synchronously performing commit records operations2020 10,754,780Maintaining track format metadata for target tracks in a target storage in a copy relationship with source tracks in a source storage2020 10,754,895Efficient metadata destage during safe data commit operation2020 10,747,596Determining when to send message to a computing node to process items using a machine learning module2020 10,740,007Synchronized primary-secondary role swaps with synchronized safe data commit scans2020 10,732,884Implementing redundant array of independent disks (RAID) arrays having compressed data stored therein2020 10,735,394Caching framework for a multi-tenant identity and data security management cloud service2020 10,735,510Storage and application controller for mirroring and switchover of applications in a plurality of cloud locations via a plurality of configurable security protocols2020 10,725,776Reducing a rate at which requests are sent from one processor to another to reduce processor utilization at the processor receiving the requests2020 10,721,304Storage system using cloud storage as a rank2020 10,691,353Checking of data difference for writes performed via a bus interface to a dual-server storage controller2020 10,691,609Concurrent data erasure and replacement of processors2020 10,691,596Integration of the frequency of usage of tracks in a tiered storage system into a cache management system of a storage controller2020 10,691,518Handling zero fault tolerance events in machines where failure likely results in unacceptable loss2020 10,691,566Using a track format code in a cache control block for a track in a cache to process read and write requests to the track in the cache2020 10,671,533Fast cache demotions in storage controllers with metadata2020 10,671,438Providing additional memory and cache for the execution of critical tasks by folding processing units of a processor complex2020 10,664,595Managing reads and writes to data entities experiencing a security breach from a suspicious process2020 10,664,177Replicating tracks from a first storage site to a second and third storage sites2020 10,664,187Reducing a rate at which data is mirrored from a primary server to a secondary server2020 10,659,472Method, system, and computer program product for providing security and responsiveness in cloud based data storage and application execution2020 10,656,852Performing preprocessing operations in anticipation of log file writes2020 10,656,848Data loss avoidance in multi-server storage systems2020 10,642,755Invoking demote threads on processors to demote tracks from a cache based on free cache segments2020 10,635,537Raid data loss prevention2020 10,628,241Determining when to send message to computing node to process items by training a machine learning module2020 10,628,331Demote scan processing to demote tracks from cache2020 10,613,986Adjustment of the number of tasks for a cache storage scan and destage application based on the type of elements to be destaged from the cache storage2020 10,613,981Detection and prevention of deadlock in a storage controller for cache access2020 10,606,826Fixing anomalies in a preserved data structure used to generate a temporary data structure during system initialization2020 10,606,776Adding dummy requests to a submission queue to manage processing queued requests according to priorities of the queued requests2020 10,592,156I/O load balancing between virtual storage drives making up raid arrays2020 10,592,323Requesting manual intervention on failure of initial microcode load attempts during recovery of modified customer data2020 10,592,432Adjusting active cache size based on cache usage2020 10,579,476Using alternate recovery actions for initial recovery actions in a computing system2020 10,579,367Zero down time upgrade for a multi-tenant identity and data security management cloud service2020 10,579,532Invalidating track format information for tracks in cache2020 10,581,969Storage system using cloud based ranks as replica storage2020 10,579,413Efficient task scheduling using a locking mechanism2020 10,579,296Providing track format information when mirroring updated tracks from a primary storage system to a secondary storage system2020 10,572,359Validation of data written via two different bus interfaces to a dual server based storage controller2020 10,572,355Transfer track format information for tracks in cache at a primary storage system to a secondary storage system to which tracks are mirrored to use after a failover or failback2020 10,565,109Asynchronous update of metadata tracks in response to a cache hit generated via an I/O operation over a bus interface2020 10,564,867Validation of storage volumes that are in a peer to peer remote copy relationship2020 10,558,596Selecting a priority queue from which to process an input/output (I/O) request by training a machine learning module2020 10,558,568Restriction of validation to active tracks in non-volatile storage during a warmstart recovery2020 10,552,330Wait classified cache writes in a data storage system2020 10,552,500Presenting a data instance based on presentation rules2020 10,552,061Providing preferential access to a metadata track in two track writes2020 10,552,324Populating a second cache with tracks from a first cache when transferring management of the tracks from a first node to a second node2020 10,545,795Determination of memory access patterns of tasks in a multi-core processor2020 10,545,553Preventing unexpected power-up failures of hardware components2020 10,540,246Transfer track format information for tracks in cache at a first processor node to a second process node to which the first processor node is failing over2020 10,540,295Processing cache miss rates to determine memory space to add to an active cache to reduce a cache miss rate for the active cache2020 10,540,296Thresholding task control blocks for staging and destaging2020 10,528,435Performance efficient time locks on data in a storage controller2020 10,528,339Cognitive feature based code level update2020 10,528,437Monitoring correctable errors on a bus interface to determine whether to redirect input/output request (I/O) traffic to another bus interface2020 10,521,139Copy source to target management in a data storage system2019 10,521,115Handling cache and non-volatile storage (NVS) out of sync writes2019 10,516,672Service discovery for a multi-tenant identity and data security management cloud service2019 10,514,859Reduction of processing overhead for point in time copy to allow access to time locked data2019 10,514,721Validation of clock to provide security for time locked data2019 10,489,080Point in time copy of time locked data in a storage controller2019 10,482,032Selective space reclamation of data storage memory employing heat and relocation metrics2019 10,466,751Supplemental power distribution voltage stabilization2019 10,445,497Offloading processing of writes to determine malicious data from a first storage system to a second storage system2019 10,430,305Determine whether to rebuild track metadata to determine whether a track format table has a track format code for the track format metadata2019 10,430,348Selecting cache lists indicating tracks in a cache to process for demotion2019 10,430,264Monitoring correctable errors on a bus interface to determine whether to redirect input/output (I/O) traffic from a first processing unit to a second processing unit2019 10,417,069Handling zero fault tolerance events in machines where failure likely results in unacceptable loss2019 10,417,139Cache management based on types of I/O operations2019 10,417,138Considering a frequency of access to groups of tracks and density of the groups to select groups of tracks to destage2019 10,394,713Selecting resources to make available in local queues for processors to use2019 10,397,078Communicating health status when a management console is unavailable for a server in a mirror storage environment2019 10,387,272Restore current version of a track from a non-volatile storage into a new location in cache2019 10,387,321Securing exclusive access to a copy of a metadata track via a process while the metadata track is held in a shared mode by another process2019 10,380,035Using an access increment number to control a duration during which tracks remain in cache2019 10,379,943Management of foreground and background processes in a storage controller2019 10,379,905Distributing tracks to add to cache to processor cache lists based on counts of processor access requests to the cache2019 10,372,624Destaging pinned retryable data in cache2019 10,372,371Dynamic data relocation using cloud based ranks2019 10,372,363Thin provisioning using cloud based ranks2019 10,346,316Processing cache miss rates to determine memory space to add to an active cache to reduce a cache miss rate for the active cache2019 10,346,317Determining cores to assign to cache hostile tasks2019 10,320,936Populating a secondary cache with unmodified tracks in a primary cache when redirecting host access from a primary server to a secondary server2019 10,318,192Performing preprocessing operations in anticipation of log file writes2019 10,318,156Invoking input/output (I/O) threads on processors to demote tracks from a cache2019 10,318,429Adjustment of the number of tasks for a cache storage scan and destage application based on the type of elements to be destaged from the cache storage2019 10,318,352Distributing tracks to add to cache to processor cache lists based on counts of processor access requests to the cache2019 10,310,738Avoid out of space outage in a thinly provisioned box2019 10,303,607Preservation of modified cache data in local non-volatile storage following a failover2019 10,282,543Determining whether to destage write data in cache to storage based on whether the write data has malicious data2019 10,282,303Using cache lists for processors to determine tracks to demote from a cache2019 10,275,360Considering a density of tracks to destage in groups of tracks to select groups of tracks to destage2019 10,275,280Reserving a core of a processor complex for a critical task2019 10,255,061Zero down time upgrade for a multi-tenant identity and data security management cloud service2019 10,257,023Dual server based storage controllers with distributed storage of each server data in different clouds2019 10,248,464Providing additional memory and cache for the execution of critical tasks by folding processing units of a processor complex2019 10,248,457Providing exclusive use of cache associated with a processing entity of a processor complex to a selected task2019 10,248,577Using a characteristic of a process input/output (I/O) activity and data subject to the I/O activity to determine whether the process is a suspicious process2019 10,241,918Considering a frequency of access to groups of tracks to select groups of tracks to destage2019 10,229,064Using cache lists for processors to determine tracks to demote from a cache2019 10,223,164Execution of critical tasks based on the number of available processing entities2019 10,223,274Maintaining track format metadata for target tracks in a target storage in a copy relationship with source tracks in a source storage2019 10,216,429Performing post-processing operations for log file writes2019 10,210,086Fast cache demotions in storage controllers with metadata2019 10,204,060Determining memory access categories to use to assign tasks to processor cores to execute2019 10,169,249Adjusting active cache size based on cache usage2019 10,171,585Method, system, and computer program product for distributed storage of data in a heterogeneous cloud2019 10,169,248Determining cores to assign to cache hostile tasks2019 10,157,082Preferential CPU utilization for tasks2018 10,154,044Method, system, and computer program product for providing security and responsiveness in cloud based data storage and application execution2018 10,152,423Selective population of secondary cache employing heat metrics2018 10,127,152Populating a second cache with tracks from a first cache when transferring management of the tracks from a first node to a second node2018 10,122,832Communications of usernames and passwords to a plurality of cloud storages via a plurality of communications protocols that change over time2018 10,120,598Validation of write data subsequent to destaging to auxiliary storage for completion of peer to peer remote copy2018 10,120,716Task pooling and work affinity in data processing2018 10,120,811Considering a frequency of access to groups of tracks and density of the groups to select groups of tracks to destage2018 10,114,753Using cache lists for multiple processors to cache and demote tracks in a storage system2018 10,108,552Using cache lists for processors to determine tracks to demote from a cache2018 10,095,628Considering a density of tracks to destage in groups of tracks to select groups of tracks to destage2018 10,082,958Invoking input/output (I/O) threads on processors to demote tracks from a cache2018 10,069,910Storage and application controller for mirroring and switchover of applications in a plurality of cloud locations via a plurality of configurable security protocols2018 10,067,883Using an access increment number to control a duration during which tracks remain in cache2018 10,067,884Distributing a plurality of tracks to add to cache to lists assigned to processors2018 10,049,056Deferred RE-MRU operations to reduce lock contention2018 10,042,779Selective space reclamation of data storage memory employing heat and relocation metrics2018 10,031,844NVS thresholding for efficient data management2018 10,013,181Distributed storage of data in a local storage and a heterogeneous cloud2018 10,007,600NVS thresholding for efficient data management2018 9,996,476Management of cache lists via dynamic sizing of the cache lists2018 9,971,689Invoking input/output (I/O) threads and demote threads on processors to demote tracks from a cache2018 9,971,508Invoking input/output (I/O) threads on processors to demote tracks from a cache2018 9,952,982Invoking demote threads on processors to demote tracks indicated in demote ready lists from a cache when a number of free cache segments in the cache is below a free cache segment threshold2018 9,952,904Distributing tracks to add to cache to processor cache lists based on counts of processor access requests to the cache2018 9,952,974Preservation of modified cache data in local non-volatile storage following a failover2018 9,934,083Requesting manual intervention on failure of initial microcode load attempts during recovery of modified customer data2018 9,928,004'Assigning device adaptors to use to copy source extents to target extents in a copy relationship'2018 9,921,973'Cache management of track removal in a cache for storage'2018 9,921,879'Using queues corresponding to attribute values associated with units of work to select the units of work to process'2018 9,921,974'Assigning cache control blocks and cache lists to multiple processors to cache and demote tracks in a storage system'2018 9,880,903'Intelligent stress testing and raid rebuild to prevent data loss'2018 9,870,323'Thresholding task control blocks for staging and destaging'2018 9,870,275'Processor thread management'2018 9,864,534'Validation of storage volumes that are in a peer to peer remote copy relationship'2018 9,864,532'Performing preprocessing operations in anticipation of log file writes'2018 9,864,686'Restriction of validation to active tracks in non-volatile storage during a warmstart recovery'2018 9,858,180'Management of point-in-time copy relationship for extent space efficient volumes'2018 9,858,148'Raid data loss prevention'2018 9,857,997'Replicating tracks from a first storage site to a second and third storage sites'2018 9,852,059NVS thresholding for efficient data management2017 9,852,058NVS thresholding for efficient data management2017 9,830,277Selective space reclamation of data storage memory employing heat and relocation metrics2017 9,824,030'Adjusting active cache size based on cache usage'2017 9,811,474'Determining cache performance using a ghost cache list indicating tracks demoted from a cache list of tracks in a cache'2017 9,804,971'Cache management of track removal in a cache for storage'2017 9,800,481'Communicating health status when a management console is unavailable for a server in a mirror storage environment'2017 9,798,676'Managing caching of extents of tracks in a first cache, second cache and storage'2017 9,792,061'Efficient cache management of multi-target peer-to-peer remote copy (PPRC) modified sectors bitmap'2017 9,785,553'Asynchronous cleanup after a peer-to-peer remote copy (PPRC) terminate relationship operation'2017 9,785,561'Integrating a flash cache into large storage systems'2017 9,785,349'Efficient free-space management of multi-target peer-to-peer remote copy (PPRC) modified sectors bitmap in bind segments'2017 9,779,030'Grouping tracks for destaging'2017 9,753,773'Performance-based multi-mode task dispatching in a multi-processor core system for extreme temperature avoidance'2017 9,747,139'Performance-based multi-mode task dispatching in a multi-processor core system for high temperature avoidance'2017 9,733,991'Deferred re-MRU operations to reduce lock contention'2017 9,727,272'Increased destaging efficiency for smoothing of destage tasks based on speed of disk drives'2017 9,710,398'RE-MRU of metadata tracks to reduce lock contention'2017 9,678,686'Managing sequentiality of tracks for asynchronous PPRC tracks on secondary'2017 9,665,493'Increased cache performance with multi-level queues of complete tracks'2017 9,665,492'Fuzzy counters for NVS to reduce lock contention'2017 9,658,798'Grouping of tracks for copy source to target destage on global mirror secondary'2017 9,658,888'Thresholding task control blocks for staging and destaging'2017 9,652,406'MRU batching to reduce lock contention'2017 9,632,945'Destage grouping for sequential fast write tracks'2017 9,632,941'Fuzzy counters for NVS to reduce lock contention'2017 9,626,113'Management of destage tasks with large number of ranks'2017 9,606,835'Determination of memory access patterns of tasks in a multi-core processor'2017 9,600,277'Asynchronous cleanup after a peer-to-peer remote copy (PPRC) terminate relationship operation'2017 9,594,511'Cascaded, point-in-time-copy architecture with data deduplication'2017 9,575,800'Using queues corresponding to attribute values and priorities associated with units of work and sub-units of the unit of work to select the units of work and their sub-units to process'2017 9,563,366'Using queues corresponding to attribute values associated with units of work and sub-units of the unit of work to select the units of work and their sub-units to process'2017 9,547,604'Deferred RE-MRU operations to reduce lock contention'2017 9,542,330'Systems and methods for background destaging storage tracks'2017 9,542,331'Concurrent update of data in cache with destage to disk'2017 9,535,610'Optimizing peer-to-peer remote copy (PPRC) transfers for partial write operations using a modified sectors bitmap'2017 9,507,527'Efficient cache management of multi-target peer-to-peer remote copy (PPRC) modified sectors bitmap'2016 9,501,240'Efficient free-space management of multi-target peer-to-peer remote copy (PPRC) modified sectors bitmap in bind segments'2016 9,501,327'Concurrently processing parts of cells of a data structure with multiple processes'2016 9,483,408'Deferred metadata initialization'2016 9,477,607'Adaptive record caching for solid state disks'2016 9,477,418'Assigning device adaptors to use to copy source extents to target extents in a copy relationship'2016 9,477,606'Adaptive record caching for solid state disks'2016 9,471,253'Use of flash cache to improve tiered migration performance'2016 9,471,506'Tiered caching and migration in differing granularities'2016 9,471,505'Efficient multi-threaded journal space reclamation'2016 9,471,252'Use of flash cache to improve tiered migration performance'2016 9,471,496'Demoting tracks from a first cache to a second cache by using a stride number ordering of strides in the second cache to consolidate strides in the second cache'2016 9,465,554'Tiered caching and migration in differing granularities'2016 9,442,848'Increased destaging efficiency by smoothing destaging between current and desired number of destage tasks'2016 9,442,660'Selective space reclamation of data storage memory employing heat and relocation metrics'2016 9,442,847'Increased destaging efficiency by smoothing destaging between current and desired number of destage tasks'2016 9,430,404'Thinly provisioned flash cache with shared storage pool'2016 9,430,395'Grouping and dispatching scans in cache'2016 9,424,196'Adjustment of the number of task control blocks allocated for discard scans'2016 9,418,021'Writing adjacent tracks to a stride, based on a comparison of a destaging of tracks to a defragmentation of the stride'2016 9,417,808'Promotion of partial data segments in flash cache'2016 9,411,738'Efficient processing of cache segment waiters'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2021Patents assigned to IBM (466)· patent assignee history

2007–2011Based in San Jose, CA, US· patent location history

2009–2021Based in Tucson, AZ, US· patent location history

2010–2012Based in Seattle, WA, US· patent location history

2012–2018Patents assigned to GUPTA LOKESH M (79)· patent assignee history

2012–2018Patents assigned to BENHASE MICHAEL T (75)· patent assignee history

2012–2016Patents assigned to KALOS MATTHEW J (20)· patent assignee history

2012–2015Patents assigned to GILL BINNY S (16)· patent assignee history

2014–2021Based in Tuscon, AZ, US· patent location history

2019–2020Based in Belmont, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IBM	466	2007–2021
GUPTA LOKESH Mself	79	2012–2018
BENHASE MICHAEL T	75	2012–2018
KALOS MATTHEW J	20	2012–2016
GILL BINNY S	16	2012–2015

Locations

Location	Patents	Span
Tucson, AZ, US	467	2009–2021
Belmont, California, US	4	2019–2020
Tuscon, AZ, US	3	2014–2021
Seattle, Washington, US	2	2010–2012
San Jose, California, US	2	2007–2011