Inventor

GUPTA LOKESH MOHAN

US78 patents

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

GUPTA LOKESH MOHAN

IBM

Using multi-tiered cache to satisfy input/output requests

Copying data from a first cluster to a second cluster to reassign storage areas from the first cluster to the second cluster

Picket fence staging in a multi-tier cache

Using storage access statistics to determine mirrored extents to migrate from a primary storage system and a secondary storage system to a third storage system

Memory preserved cache to prevent data loss

Memory preserved cache failsafe reboot mechanism

Preservation of cache data following failover

Deferred volume metadata invalidation

Using multi-tiered cache to satisfy input/output requests

Maintaining an active track data structure to determine active tracks in cache to process

Using multi-tiered cache to satisfy input/output requests

Using multi-tiered cache to satisfy input/output requests

Multi-mode address mapping management

Adaptive caching in a multi-tier cache

Using multi-tiered cache to satisfy input/output requests

Maintaining data structures in a memory subsystem comprised of a plurality of memory devices

Garbage collection for storage in which high-performance volumes reside

Hinting information for selecting a storage location for a dataset

Indicating extents of tracks in mirroring queues based on information gathered on tracks in extents in cache

Indicating extents of tracks in mirroring queues based on information gathered on tracks in extents in cache

Using a mirroring cache list to mirror modified tracks

Integration of application indicated minimum and maximum time to cache for a two-tiered cache management mechanism

Integration of application indicated minimum time to cache for a two-tiered cache management mechanism

Integration of application indicated maximum time to cache for a two-tiered cache management mechanism

Management of destage tasks with large number of ranks

Transferring compressed data between locations

Determining a storage device type on which to store extents of data in a storage system

Maintaining an active track data structure to determine active tracks in cache to process

Encryption management

Using multi-tiered cache to satisfy input/output requests

Encryption management

Encryption management

Using mirror path statistics in recalling extents to a primary storage system and a secondary storage system from a third storage system

Multi-target, point-in-time-copy architecture with data duplication

Cascaded, point-in-time-copy architecture with data deduplication

Detection and repair of failed hardware components

Apparatus and method to locate a storage device disposed in a data storage system

Speeding cache scans with a bytemap of active tracks with encoded bits

Data migration between compressed and non-compressed ranks

Determining to migrate data between compressed storage devices and non-compressed storage devices in a storage system

Generating data protection directives to provide to a storage controller to control access to data in cache

Adjusting garbage collection based on input/output flow rates

ASH KEVIN JOHN

Dynamic management of destage tasks in a storage controller

Preferential CPU utilization for tasks

Deferred re-MRU operations to reduce lock contention

BENHASE MICHAEL THOMAS

Apparatus and method to copy data

Differential caching mechanism based on media I/O speed

Data archiving using data compression of a flash copy

BLINICK STEPHEN LAROUX

Secondary cache for write accumulation and coalescing

Secondary cache for write accumulation and coalescing