Inventor

RAIZEN HELEN S

US55 patents

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

RAIZEN HELEN S

EMC CORP

Methods and systems for migrating data with minimal disruption

Non-disruptive and minimally disruptive data migration in active-active clusters

Data migration in cluster environment using host copy and changed block tracking

Methods and apparatus for non-disruptive upgrade by redirecting I/O operations

Methods and systems for managing I/O requests to minimize disruption required for data migration

Systems and methods for maintaining data integrity during a migration

Method and apparatus for implementing an enterprise virtual storage system

Techniques for improved service level objective fulfillment

Techniques for automated data storage system port initialization

Systems and methods for disabling an array port for an enterprise

Methods and systems for dynamic division of path capacity

Systems and methods for accessing storage or network based replicas of encryped volumes with no additional key management

Automated updating of parameters and metadata in a federated storage environment

System and methods for enterprise path management

Techniques for overriding device reservations

Methods and systems for preserving disk geometry when migrating existing data volumes

Incremental backup in a distributed block storage environment

Host-side tracking of data block changes for incremental backup

Acquisition and kernel memory storage of I/O metrics

Notifying a multipathing driver of fabric events and performing multipathing management operations in response to such fabric events

Methods and systems for preserving disk geometry of virtualized data volumes

RAIZEN HELEN S

Systems and methods for using thin provisioning to reclaim space identified by data reduction processes

Efficient read/write algorithms and associated mapping for block-level data reduction processes

Systems and methods for accessing storage or network based replicas of encrypted volumes with no additional key management

Systems and methods for selective encryption of operating system metadata for host-based encryption of data at rest on a logical unit

Selective I/O to logical unit when encrypted, but key is not available or when encryption status is unknown

In-band transport mechanism for carrying communications among functional components of a storage I/O interface stack

Systems and methods for using thin provisioning to reclaim space identified by data reduction processes

Identification and use of preferred path groups in host computer based on differential performance

Adaptive optimization across information technology infrastructure

Techniques involving flaky path detection

Non-disruptive storage device migration in failover cluster environment

CONTRERAS CESAREO

In-band detection mechanism for detecting intermediate layer in a storage I/O driver stack

Techniques for indicating a passive path state for a device

Data processing system having failover between hardware and software encryption of storage data

Techniques for indicating a passive state for a device

SANDSTROM HAROLD M

Storage array network path impact analysis server for path selection in a host-based I/O multi-path system

Storage array network path analysis server for enhanced path selection in a host-based I/O multi-path system

Storage array network path impact analysis server for path selection in a host-based I/O multi-path system

POVALIAEV ALEKSANDER GENNADEVICH

Dynamic compression of an I/O data block

Dynamic compression of an I/O data block

TAO TAO

Techniques for non-disruptive upgrade

RIORDAN PATRICK BRIAN

Techniques for path selection

IVES STEPHEN RICHARD

Techniques for preferred path determination

PRIME COMPUTER INC

Solicited message packet transfer system

GLADE BRADFORD B

Methods and systems for managing I/O requests to minimize disruption required for data encapsulation and de-encapsulation

PELLOWSKI ROBERT J

Efficient management of kernel driver performance data

CHHABRA NITIN

Non-disruptive upgrade of applications

KUDVA SANTHOSH V

Electronically controlling commitment of a change to stored information

GAIKWAD DEEPAK M

Acquisition and kernel memory storage of I/O metrics