Inventor

PETERSEN DAVID B

US40 patents

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

PETERSEN DAVID B

IBM

System and method for concurrent logical device swapping

Method for mirroring data at storage locations

Adjusting timestamps to preserve update timing information for cached data objects

Method and apparatus for cross-partition control in a partitioned process environment

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

System and article of manufacture for mirroring data at storage locations

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

System and method for automatic dynamic address switching

Protection of former primary volumes in a synchronous replication relationship

Managing failures in mirrored systems

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

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 OLTP workloads

Variable configurations for workload distribution across multiple sites

Zero-data loss recovery for active-active sites configurations

Using average replication latency to influence routing query transactions

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

Communication of conditions at a primary storage controller to a host

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

Determining recovery time for interdependent resources in heterogeneous computing environment

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

Communication of conditions at a primary storage controller to a host

Communication of conditions at a primary storage controller to a host

Managing continuous priority workload availability and general workload availability between sites at unlimited distances for products and services

Managing continuous priority workload availability and general workload availability between sites at unlimited distances for products and services

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 OLTP workloads

Zero-data loss recovery for active-active sites configurations

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

Enhanced recovery of highly available computing systems

ANAYA JAIME F

Variable configurations for workload distribution across multiple sites

Continuous workload availability between sites at unlimited distances

Continuous availability between sites at unlimited distances

CLAYTON NICOLAS M

Maintaining mirror and storage system copies of volumes at multiple remote sites

Maintaining mirror and storage system copies of volumes at multiple remote sites

PETERSEN DAVID B

Communication of conditions at a primary storage controller to a host

Parallel multiplex storage systems

KERN ROBERT FREDERIC

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

LUMPP THOMAS

Determining recovery time for interdependent resources in heterogeneous computing environment