Inventor

GUPTA LOKESH M

US518 patents

⚠️ This page may combine multiple inventors who share the name “GUPTA LOKESH M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GUPTA LOKESH M

IBM

Caching source blocks of data for target blocks of data

Increased cache performance with multi-level queues of complete tracks

Implementing redundant array of independent disks (RAID) arrays having compressed data stored therein

Using 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 cache

Selecting a priority queue from which to process an input/output (I/O) request by training a machine learning module

Reduction of processing overhead for point in time copy to allow access to time locked data

Offloading processing of writes to determine malicious data from a first storage system to a second storage system

Management of foreground and background processes in a storage controller

Populating a secondary cache with unmodified tracks in a primary cache when redirecting host access from a primary server to a secondary server

Using 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 process

Maintaining track format metadata for target tracks in a target storage in a copy relationship with source tracks in a source storage

Invoking input/output (I/O) threads on processors to demote tracks from a cache

Communicating health status when a management console is unavailable for a server in a mirror storage environment

Performance-based multi-mode task dispatching in a multi-processor core system for extreme temperature avoidance

Performance-based multi-mode task dispatching in a multi-processor core system for high temperature avoidance

RE-MRU of metadata tracks to reduce lock contention

Thresholding task control blocks for staging and destaging

Grouping of tracks for copy source to target destage on global mirror secondary

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

Efficient cache management of multi-target peer-to-peer remote copy (PPRC) modified sectors bitmap

Recovery from cache and NVS out of sync

Managing sequentiality of tracks for asynchronous PPRC tracks on secondary

Grouping of tracks for copy source to target destage on global mirror secondary

Selecting cache lists indicating tracks in a cache to process for demotion

Grouping tracks for destaging

Assigning device adaptors to use to copy source extents to target extents in a copy relationship

Use of differing granularity heat maps for caching and migration

Replicating tracks from a first storage site to a second and third storage sites

Source-target relations mapping

Management of point-in-time copy relationship for extent space efficient volumes

Adjustment of the number of task control blocks allocated for discard scans

Tiered caching and migration in differing granularities

Promotion of partial data segments in flash cache

Data archiving using data compression of a flash copy

Writing adjacent tracks to a stride, based on a comparison of a destaging of tracks to a defragmentation of the stride

Demoting tracks from a first cache to a second cache by using an occupancy of valid tracks in strides in the second cache to consolidate strides in the second cache

Concurrently processing parts of cells of a data structure with multiple processes

BENHASE MICHAEL T

Selective space reclamation of data storage memory employing heat and relocation metrics

Efficient discard scans

Assigning device adaptors and background tasks to use to copy source extents to target extents in a copy relationship

Dynamically adjusted threshold for population of secondary cache

Populating strides of tracks to demote from a first cache to a second cache

Populating strides of tracks to demote from a first cache to a second cache

Caching data in a storage system having multiple caches including non-volatile storage cache in a sequential access storage device

Using an attribute of a write request to determine where to cache data in a storage system having multiple caches including non-volatile storage cache in a sequential access storage device

Promotion of partial data segments in flash cache

Management of partial data segments in dual cache systems

Compression on thin provisioned volumes using extent based mapping

ASH KEVIN J

Caching source blocks of data for target blocks of data

Populating a first stride of tracks from a first cache to write to a second stride in a second cache