David B. Petersen

Maintaining two-site configuration for workload availability between sites at unlimited distances for products and services

MANAGEMENT AND SYNCHRONIZATION OF BATCH WORKLOADS WITH ACTIVE/ACTIVE SITES USING PROXY REPLICATION ENGINES

Resynchronizing to a first storage system after a failover to a second storage system mirroring the first storage system

Data currency improvement for cross-site queries

Resynchronizing to a first storage system after a failover to a second storage system mirroring the first storage system

Zero-data loss recovery for active-active sites configurations

Zero-data loss recovery for active-active sites configurations

Communication of conditions at a primary storage controller to a host

Communication of conditions at a primary storage controller to a host

Management and synchronization of batch workloads with active/active sites OLTP workloads

Management and synchronization of batch workloads with active/active sites OLTP workloads

Communication of conditions at a primary storage controller to a host

Achieving continuous availability for planned workload and site switches with no data loss

Using average replication latency to influence routing query transactions

Protection of former primary volumes in a synchronous replication relationship

Enhanced recovery of highly available computing systems

Variable configurations for workload distribution across multiple sites

Variable configurations for workload distribution across multiple sites

Continuous workload availability between sites at unlimited distances

Continuous availability between sites at unlimited distances

Determining recovery time for interdependent resources in heterogeneous computing environment

Parallel multiplex storage systems

Determining recovery time for interdependent resources in heterogeneous computing environment

SYSTEMS, METHODS, AND COMPUTER PRODUCTS FOR COORDINATED DISASTER RECOVERY

System and article of manufacture for mirroring data at storage locations

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

Method for mirroring data at storage locations

DATA BACKUP SYSTEM AND METHOD FOR SYNCHRONIZING A REPLICATION OF PERMANENT DATA AND TEMPORARY DATA IN THE EVENT OF AN OPERATIONAL ERROR

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

Managing failures in mirrored systems

System and method for concurrent logical device swapping

Method, system, and program for handling a failover to a remote storage location

System and method for automatic dynamic address switching

Adjusting timestamps to preserve update timing information for cached data objects