Inventor

SPEAR GAIL ANDREA

US58 patents

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

SPEAR GAIL ANDREA

IBM

Method, system, and program for reverse restore of an incremental virtual copy

Database backup system ensuring consistency between primary and mirrored backup database copies despite backup interruption

Method for mirroring data at storage locations

Use of configuration registers to control access to multiple caches and nonvolatile stores

System and article of manufacture for mirroring data at storage locations

Storage controller and method for improved failure recovery using cross-coupled cache memories and nonvolatile stores

Apparatus, system, and method for an improved synchronous mirror swap

Consistent updates across storage subsystems coupled to a plurality of primary and secondary units at selected times

Method for fast reverse restore

Instant virtual copy to a primary mirroring portion of data

Apparatus, system, and method for synchronizing an asynchronous mirror volume using a synchronous mirror volume

Method, system, and program for mirroring data among storage sites

Method, system, and program for recovery of a reverse restore operation

Method, system, and program for managing a relationship between one target volume and one source volume

Method, system, and program for establishing and using a point-in-time copy relationship

Method, system, and article for incremental virtual copy of a data block

Remote copying of updates to primary and secondary storage locations subject to a copy relationship

Method, system, and program for remote resource management

Method, system, and program for managing requests to tracks subject to a relationship

Storage management in cascaded replication of data

System and article of manufacture for consistent copying of storage volumes

Method, system and program for forming a consistency group

Managing failures in mirrored systems

Maintaining consistency when mirroring data using different copy technologies

Method, system, and article of manufacture for remote copying of data

Method, system, and article of manufacture for consistent copying of storage volumes

Method, system, and program for forming a consistency group

Method, system, and program for improved throughput in remote mirroring systems

Method, system, and program for asynchronous copy

Point in time copy between data storage systems

Data storage system for fast reverse restore

Controlling consistency of data storage copies

Method, system, and program for managing information on relationships between target volumes and source volumes when performing adding, withdrawing, and disaster recovery operations for the relationships

Method, system, and article of manufacture for generating a copy of a first and a second set of volumes in a third set of volumes

Global status journaling in NVS

Replication engine communicating with a splitter to split writes between a storage controller and replication engine

Command sequence numbering apparatus and method

Article of manufacture and system for fast reverse restore

Method, system, and program for improved throughput in remote mirroring systems

Node polling in consistency group formation

Assigning priorities

Data transfer management in consistency group formation

Method, system, and article of manufacture for remote copying of data

CHIU LAWRENCE YIUMCHEE

Workload learning in data replication environments

Workload learning in data replication environments

BARTFAI ROBERT FRANCIS

Determining when to apply writes received to data units being transferred to a secondary storage

Splitting writes between a storage controller and replication engine

BENHASE MICHAEL THOMAS

Determining whether to use a repository to store data updated during a resynchronization

ASH KEVIN JOHN

Apparatus and method to maintain write operation atomicity where a data transfer operation crosses a data storage medium track boundary

KERN ROBERT FREDERIC

Method, system, and article of manufacture for mirroring data at storage locations