Inventor

SONG CHENG CHUNG

US48 patents

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

SONG CHENG CHUNG

IBM

Storage application performance matching

Parity data management system apparatus and method

Use of differing granularity heat maps for caching and migration

Tiered caching and migration in differing granularities

Apparatus, system, and method for adapter card failover

Techniques for improving deduplication efficiency in a storage system with multiple storage nodes

Storage application performance matching

Managing caching of extents of tracks in a first cache, second cache and storage

Optimizing thin provisioning in a data storage system through selective use of multiple grain sizes

Efficient initialization of a thinly provisioned storage array

Method for handling a device failure

Method, system, and article of manufacture for reserving memory

Workload optimized data deduplication using ghost fingerprints

Techniques for improving deduplication efficiency in a storage system with multiple storage nodes

Managing multiprocessor operations

Tiered caching and migration in differing granularities

Use of differing granularity heat maps for caching and migration

System and article of manufacture for handling a fabric failure

Method, system, and article of manufacture for reserving memory

Method, system, and computer readable medium for delaying the configuration of a shared resource

Recoverable machine check handling

Configuring shared devices over a fabric

Method, apparatus and program storage device for providing light weight system calls to improve user mode performance

Handling of user mode thread using no context switch attribute to designate near interrupt disabled priority status

Tiered caching and migration in differing granularities

Framework for a software error inject tool

Framework for a software error inject tool

Use of differing granularity heat maps for caching and migration

Tiered caching and migration in differing granularities

Managing caching of extents of tracks in a first cache, second cache and storage

Techniques for improving deduplication efficiency in a storage system with multiple storage nodes

Coordination of multiprocessor operations with shared resources

Generic DMA memory space mapping

Recovery from failure in data storage systems

Saving state data in parallel in a multi-processor system

Method and system for performance enhancement via transaction verification using a counter value in a polled data storage environment

De-duplication as part of other routinely performed processes

Variable length file entry navigation

BLINICK STEPHEN LAROUX

Secondary cache for write accumulation and coalescing

Secondary cache for write accumulation and coalescing

SONG CHENG-CHUNG

Framework for a software error inject tool

Framework for a software error inject tool

LI CHAO GUANG

Performance enhancement technique for raids under rebuild

KO WENJENG

Method, apparatus and program storage device for providing an anchor pointer in an operating system context structure for improving the efficiency of accessing thread specific data

BENHASE MICHAEL T

Managing caching of extents of tracks in a first cache, second cache and storage

GAO XUE DONG

Migrating thin-provisioned volumes in tiered storage architectures

BENHASE MICHAEL THOMAS

Thread synchronization in simultaneous multi-threaded processor machines

CHEN CHIAHONG

Method, apparatus and program storage device that provides a user mode device interface