Emc Corporation

Walter M Caritj

David W Harvey

Jeffrey Alan Brown

Bradford B Glade

Peter John McCann

Matthew D Waxman

Fernando Oliveira

Lee W VanTine

James A Wentworth

Yoav Raz

Douglas V Johnson

This invention is a system and method for managing one or more data storage networks using a new architecture. A method for handling logical to physical mapping is included in one embodiment with the new architecture. A method for handling errors is included in another embodiment with the new architecture.

System and method for managing storage networks and providing virtualization of resources in such a network

System and method for managing storage networks and for managing scalability of volumes in such a network

System and method for managing storage networks and for handling errors in such a network

A method of synchronizing access to a data object that is stored within a shared storage area of a data storage system to which a plurality of host processors are connected, the method including the steps of establishing one of the plurality of host processors as a master host processor, wherein the master host processor owns the shared object within the data storage system; sending an access request from a slave host processor to the master host processor to access the shared object within the data storage system, wherein the slave host processor is one of the plurality of host processors other than the master host processor; in response to receiving the access request at the master host processor, checking whether any conflicting locks are still pending from prior access requests from any of the plurality of host processors; if no locks are still pending, granting the access request from the slave host processor; and notifying the slave processor whether its access request was granted.

Agent-implemented locking mechanism

Growing community of inventors

Medway, MA, United States of America

Walter M Caritj