Emc Corporation

Matthew Ferson

Morrie Gasser

Douglas Sullivan

Phillip H Leef

A data storage system includes storage array and a switch that is configurable to create numerous network topologies within the system and to maintain separate communications paths between different computerized devices or networks and the storage array. For example, a user device and a service device, such as a system diagnosis device, can connect to the storage array through the switch. In order to isolate interaction or communication between the user and service devices, the switch can be logically partitioned into two distinct switches to form two distinct, isolated communications paths between the devices and the storage array. With isolated communications pathways established in the switch, in use, the service device is unable to access the user device coupled to the storage array.

Method and apparatus for providing a logical separation of a customer device and a service device connected to a data storage system

Data storage system software is installed from nonvolatile memory. A storage processor is booted, transferring information stored in a nonvolatile memory module to a disk drive system, thereby enabling the system processor to boot directly from the disk drive system in subsequent boots. After the information is transferred the storage processor reboots using the information transferred to the disk drive system.

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Worcester, MA, United States of America

Matthew Ferson